Merge branch 'main' into making_user-menu-component_themeable

2025-10-07 01:54:15 +00:00 · 2023-10-24 07:53:08 +02:00
parent cfa70ecb8e 7c0fdcbe67
commit 7606f47688
203 changed files with 8705 additions and 2796 deletions
--- a/.github/workflows/label_merge_conflicts.yml
+++ b/.github/workflows/label_merge_conflicts.yml
@@ -25,6 +25,8 @@ jobs:
      # See: https://github.com/prince-chrismc/label-merge-conflicts-action
      - name: Auto-label PRs with merge conflicts
        uses: prince-chrismc/label-merge-conflicts-action@v3
+        # Ignore any failures -- may occur (randomly?) for older, outdated PRs.
+        continue-on-error: true
        # Add "merge conflict" label if a merge conflict is detected. Remove it when resolved.
        # Note, the authentication token is created automatically
        # See: https://docs.github.com/en/actions/configuring-and-managing-workflows/authenticating-with-the-github_token
--- a/.github/workflows/port_merged_pull_request.yml
+++ b/.github/workflows/port_merged_pull_request.yml
@@ -0,0 +1,46 @@
+# This workflow will attempt to port a merged pull request to
+# the branch specified in a "port to" label (if exists)
+name: Port merged Pull Request
+
+# Only run for merged PRs against the "main" or maintenance branches
+# We allow this to run for `pull_request_target` so that github secrets are available
+# (This is required when the PR comes from a forked repo)
+on:
+  pull_request_target:
+    types: [ closed ]
+    branches:
+      - main
+      - 'dspace-**'
+
+permissions:
+  contents: write      # so action can add comments
+  pull-requests: write # so action can create pull requests
+
+jobs:
+  port_pr:
+    runs-on: ubuntu-latest
+    # Don't run on closed *unmerged* pull requests
+    if: github.event.pull_request.merged
+    steps:
+      # Checkout code
+      - uses: actions/checkout@v3
+      # Port PR to other branch (ONLY if labeled with "port to")
+      # See https://github.com/korthout/backport-action
+      - name: Create backport pull requests
+        uses: korthout/backport-action@v1
+        with:
+          # Trigger based on a "port to [branch]" label on PR
+          # (This label must specify the branch name to port to)
+          label_pattern: '^port to ([^ ]+)$'
+          # Title to add to the (newly created) port PR
+          pull_title: '[Port ${target_branch}] ${pull_title}'
+          # Description to add to the (newly created) port PR
+          pull_description: 'Port of #${pull_number} by @${pull_author} to `${target_branch}`.'
+          # Copy all labels from original PR to (newly created) port PR
+          # NOTE: The labels matching 'label_pattern' are automatically excluded
+          copy_labels_pattern: '.*'
+          # Skip any merge commits in the ported PR. This means only non-merge commits are cherry-picked to the new PR
+          merge_commits: 'skip'
+          # Use a personal access token (PAT) to create PR as 'dspace-bot' user.
+          # A PAT is required in order for the new PR to trigger its own actions (for CI checks)
+          github_token: ${{ secrets.PR_PORT_TOKEN }}
--- a/Dockerfile.dist
+++ b/Dockerfile.dist
@@ -2,7 +2,7 @@
 # See https://github.com/DSpace/dspace-angular/tree/main/docker for usage details

 # Test build:
-# docker build -f Dockerfile.dist -t dspace/dspace-angular:dspace-7_x-dist .
+# docker build -f Dockerfile.dist -t dspace/dspace-angular:latest-dist .

 FROM node:18-alpine as build

--- a/README.md
+++ b/README.md
@@ -157,8 +157,8 @@ DSPACE_UI_SSL => DSPACE_SSL

 The same settings can also be overwritten by setting system environment variables instead, E.g.:
 ```bash
-export DSPACE_HOST=api7.dspace.org
-export DSPACE_UI_PORT=4200
+export DSPACE_HOST=demo.dspace.org
+export DSPACE_UI_PORT=4000
 ```

 The priority works as follows: **environment variable** overrides **variable in `.env` file** overrides external config set by `DSPACE_APP_CONFIG_PATH` overrides **`config.(prod or dev).yml`**
@@ -288,7 +288,7 @@ E2E tests (aka integration tests) use [Cypress.io](https://www.cypress.io/). Con
 The test files can be found in the `./cypress/integration/` folder.

 Before you can run e2e tests, two things are REQUIRED:
-1. You MUST be running the DSpace backend (i.e. REST API) locally. The e2e tests will *NOT* succeed if run against our demo REST API (https://api7.dspace.org/server/), as that server is uncontrolled and may have content added/removed at any time.
+1. You MUST be running the DSpace backend (i.e. REST API) locally. The e2e tests will *NOT* succeed if run against our demo/sandbox REST API (https://demo.dspace.org/server/ or https://sandbox.dspace.org/server/), as those sites may have content added/removed at any time.
    * After starting up your backend on localhost, make sure either your `config.prod.yml` or `config.dev.yml` has its `rest` settings defined to use that localhost backend.
 	* If you'd prefer, you may instead use environment variables as described at [Configuring](#configuring). For example:
       ```
--- a/config/config.example.yml
+++ b/config/config.example.yml
@@ -22,7 +22,7 @@ ui:
 # 'synced' with the 'dspace.server.url' setting in your backend's local.cfg.
 rest:
  ssl: true
-  host: api7.dspace.org
+  host: sandbox.dspace.org
  port: 443
  # NOTE: Space is capitalized because 'namespace' is a reserved string in TypeScript
  nameSpace: /server
@@ -208,6 +208,9 @@ languages:
  - code: pt-BR
    label: Português do Brasil
    active: true
+  - code: sr-lat
+    label: Srpski (lat)
+    active: true
  - code: fi
    label: Suomi
    active: true
@@ -292,33 +295,33 @@ themes:
  #
  # # A theme with a handle property will match the community, collection or item with the given
  # # handle, and all collections and/or items within it
-  # - name: 'custom',
-  #   handle: '10673/1233'
+  # - name: custom
+  #   handle: 10673/1233
  #
  # # A theme with a regex property will match the route using a regular expression. If it
  # # matches the route for a community or collection it will also apply to all collections
  # # and/or items within it
-  # - name: 'custom',
-  #   regex: 'collections\/e8043bc2.*'
+  # - name: custom
+  #   regex: collections\/e8043bc2.*
  #
  # # A theme with a uuid property will match the community, collection or item with the given
  # # ID, and all collections and/or items within it
-  # - name: 'custom',
-  #   uuid: '0958c910-2037-42a9-81c7-dca80e3892b4'
+  # - name: custom
+  #   uuid: 0958c910-2037-42a9-81c7-dca80e3892b4
  #
  # # The extends property specifies an ancestor theme (by name). Whenever a themed component is not found
  # # in the current theme, its ancestor theme(s) will be checked recursively before falling back to default.
-  # - name: 'custom-A',
-  #   extends: 'custom-B',
+  # - name: custom-A
+  #   extends: custom-B
  #   # Any of the matching properties above can be used
-  #   handle: '10673/34'
+  #   handle: 10673/34
  #
-  # - name: 'custom-B',
-  #   extends: 'custom',
-  #   handle: '10673/12'
+  # - name: custom-B
+  #   extends: custom
+  #   handle: 10673/12
  #
  # # A theme with only a name will match every route
-  # name: 'custom'
+  # name: custom
  #
  # # This theme will use the default bootstrap styling for DSpace components
  # - name: BASE_THEME_NAME
@@ -379,4 +382,4 @@ vocabularies:
 # Default collection/community sorting order at Advanced search, Create/update community and collection when there are not a query. 
 comcolSelectionSort:
  sortField: 'dc.title'
-  sortDirection: 'ASC'
+  sortDirection: 'ASC'
--- a/config/config.yml
+++ b/config/config.yml
@@ -1,5 +1,5 @@
 rest:
  ssl: true
-  host: api7.dspace.org
+  host: sandbox.dspace.org
  port: 443
  nameSpace: /server
--- a/cypress/e2e/community-list.cy.ts
+++ b/cypress/e2e/community-list.cy.ts
@@ -1,4 +1,3 @@
-import { Options } from 'cypress-axe';
 import { testA11y } from 'cypress/support/utils';

 describe('Community List Page', () => {
@@ -13,13 +12,6 @@ describe('Community List Page', () => {
        cy.get('[data-test="expand-button"]').click({ multiple: true });

        // Analyze <ds-community-list-page> for accessibility issues
-        // Disable heading-order checks until it is fixed
-        testA11y('ds-community-list-page',
-            {
-                rules: {
-                    'heading-order': { enabled: false }
-                }
-            } as Options
-        );
+        testA11y('ds-community-list-page');
    });
 });
--- a/cypress/e2e/header.cy.ts
+++ b/cypress/e2e/header.cy.ts
@@ -11,8 +11,7 @@ describe('Header', () => {
        testA11y({
            include: ['ds-header'],
            exclude: [
-                ['#search-navbar-container'], // search in navbar has duplicative ID. Will be fixed in #1174
-                ['.dropdownLogin']            // "Log in" link has color contrast issues. Will be fixed in #1149
+                ['#search-navbar-container'] // search in navbar has duplicative ID. Will be fixed in #1174
            ],
        });
    });
--- a/cypress/e2e/item-page.cy.ts
+++ b/cypress/e2e/item-page.cy.ts
@@ -1,4 +1,3 @@
-import { Options } from 'cypress-axe';
 import { TEST_ENTITY_PUBLICATION } from 'cypress/support/e2e';
 import { testA11y } from 'cypress/support/utils';

@@ -19,13 +18,16 @@ describe('Item  Page', () => {
        cy.get('ds-item-page').should('be.visible');

        // Analyze <ds-item-page> for accessibility issues
-        // Disable heading-order checks until it is fixed
-        testA11y('ds-item-page',
-            {
-                rules: {
-                    'heading-order': { enabled: false }
-                }
-            } as Options
-        );
+        testA11y('ds-item-page');
+    });
+
+    it('should pass accessibility tests on full item page', () => {
+        cy.visit(ENTITYPAGE + '/full');
+
+        // <ds-full-item-page> tag must be loaded
+        cy.get('ds-full-item-page').should('be.visible');
+
+        // Analyze <ds-full-item-page> for accessibility issues
+        testA11y('ds-full-item-page');
    });
 });
--- a/cypress/e2e/login-modal.cy.ts
+++ b/cypress/e2e/login-modal.cy.ts
@@ -1,4 +1,5 @@
 import { TEST_ADMIN_PASSWORD, TEST_ADMIN_USER, TEST_ENTITY_PUBLICATION } from 'cypress/support/e2e';
+import { testA11y } from 'cypress/support/utils';

 const page = {
    openLoginMenu() {
@@ -123,4 +124,15 @@ describe('Login Modal', () => {
        cy.location('pathname').should('eq', '/forgot');
        cy.get('ds-forgot-email').should('exist');
    });
+
+    it('should pass accessibility tests', () => {
+        cy.visit('/');
+
+        page.openLoginMenu();
+
+        cy.get('ds-log-in').should('exist');
+
+        // Analyze <ds-log-in> for accessibility issues
+        testA11y('ds-log-in');
+    });
 });
--- a/cypress/e2e/my-dspace.cy.ts
+++ b/cypress/e2e/my-dspace.cy.ts
@@ -19,21 +19,7 @@ describe('My DSpace page', () => {
        cy.get('.filter-toggle').click({ multiple: true });

        // Analyze <ds-my-dspace-page> for accessibility issues
-        testA11y(
-            {
-                include: ['ds-my-dspace-page'],
-                exclude: [
-                    ['nouislider'] // Date filter slider is missing ARIA labels. Will be fixed by #1175
-                ],
-            },
-            {
-                rules: {
-                    // Search filters fail these two "moderate" impact rules
-                    'heading-order': { enabled: false },
-                    'landmark-unique': { enabled: false }
-                }
-            } as Options
-        );
+        testA11y('ds-my-dspace-page');
    });

    it('should have a working detailed view that passes accessibility tests', () => {
--- a/cypress/e2e/pagenotfound.cy.ts
+++ b/cypress/e2e/pagenotfound.cy.ts
@@ -1,8 +1,13 @@
+import { testA11y } from 'cypress/support/utils';
+
 describe('PageNotFound', () => {
    it('should contain element ds-pagenotfound when navigating to page that doesnt exist', () => {
        // request an invalid page (UUIDs at root path aren't valid)
        cy.visit('/e9019a69-d4f1-4773-b6a3-bd362caa46f2', { failOnStatusCode: false });
        cy.get('ds-pagenotfound').should('be.visible');
+
+        // Analyze <ds-pagenotfound> for accessibility issues
+        testA11y('ds-pagenotfound');
    });

    it('should not contain element ds-pagenotfound when navigating to existing page', () => {
--- a/cypress/e2e/search-page.cy.ts
+++ b/cypress/e2e/search-page.cy.ts
@@ -27,21 +27,7 @@ describe('Search Page', () => {
        cy.get('[data-test="filter-toggle"]').click({ multiple: true });

        // Analyze <ds-search-page> for accessibility issues
-        testA11y(
-            {
-                include: ['ds-search-page'],
-                exclude: [
-                    ['nouislider'] // Date filter slider is missing ARIA labels. Will be fixed by #1175
-                ],
-            },
-            {
-                rules: {
-                    // Search filters fail these two "moderate" impact rules
-                    'heading-order': { enabled: false },
-                    'landmark-unique': { enabled: false }
-                }
-            } as Options
-        );
+        testA11y('ds-search-page');
    });

    it('should have a working grid view that passes accessibility tests', () => {
--- a/docker/README.md
+++ b/docker/README.md
@@ -23,14 +23,14 @@ the Docker compose scripts in this 'docker' folder.
 This Dockerfile is used to build a *development* DSpace 7 Angular UI image, published as 'dspace/dspace-angular'

 ```
-docker build -t dspace/dspace-angular:dspace-7_x .
+docker build -t dspace/dspace-angular:latest .
 ```

 This image is built *automatically* after each commit is made to the `main` branch.

 Admins to our DockerHub repo can manually publish with the following command.
 ```
-docker push dspace/dspace-angular:dspace-7_x
+docker push dspace/dspace-angular:latest
 ```

 ### Dockerfile.dist
@@ -39,7 +39,7 @@ The `Dockerfile.dist` is used to generate a *production* build and runtime envir

 ```bash
 # build the latest image
-docker build -f Dockerfile.dist -t dspace/dspace-angular:dspace-7_x-dist .
+docker build -f Dockerfile.dist -t dspace/dspace-angular:latest-dist .
 ```

 A default/demo version of this image is built *automatically*.
@@ -101,8 +101,8 @@ and the backend at http://localhost:8080/server/

 ## Run DSpace Angular dist build with DSpace Demo site backend

-This allows you to run the Angular UI in *production* mode, pointing it at the demo backend
-(https://api7.dspace.org/server/).
+This allows you to run the Angular UI in *production* mode, pointing it at the demo or sandbox backend
+(https://demo.dspace.org/server/ or https://sandbox.dspace.org/server/).

 ```
 docker-compose -f docker/docker-compose-dist.yml pull
--- a/docker/cli.yml
+++ b/docker/cli.yml
@@ -16,7 +16,7 @@ version: "3.7"

 services:
  dspace-cli:
-    image: "${DOCKER_OWNER:-dspace}/dspace-cli:${DSPACE_VER:-dspace-7_x}"
+    image: "${DOCKER_OWNER:-dspace}/dspace-cli:${DSPACE_VER:-latest}"
    container_name: dspace-cli
    environment:
      # Below syntax may look odd, but it is how to override dspace.cfg settings via env variables.
--- a/docker/docker-compose-ci.yml
+++ b/docker/docker-compose-ci.yml
@@ -35,7 +35,7 @@ services:
      solr__D__statistics__P__autoCommit: 'false'
    depends_on:
    - dspacedb
-    image: dspace/dspace:dspace-7_x-test
+    image: dspace/dspace:latest-test
    networks:
      dspacenet:
    ports:
--- a/docker/docker-compose-dist.yml
+++ b/docker/docker-compose-dist.yml
@@ -24,10 +24,10 @@ services:
      # This is because Server Side Rendering (SSR) currently requires a public URL,
      # see this bug: https://github.com/DSpace/dspace-angular/issues/1485
      DSPACE_REST_SSL: 'true'
-      DSPACE_REST_HOST: api7.dspace.org
+      DSPACE_REST_HOST: sandbox.dspace.org
      DSPACE_REST_PORT: 443
      DSPACE_REST_NAMESPACE: /server
-    image: dspace/dspace-angular:dspace-7_x-dist
+    image: dspace/dspace-angular:${DSPACE_VER:-latest}-dist
    build:
      context: ..
      dockerfile: Dockerfile.dist
--- a/docker/docker-compose-rest.yml
+++ b/docker/docker-compose-rest.yml
@@ -39,7 +39,7 @@ services:
      # proxies.trusted.ipranges: This setting is required for a REST API running in Docker to trust requests 
      # from the host machine. This IP range MUST correspond to the 'dspacenet' subnet defined above.
      proxies__P__trusted__P__ipranges: '172.23.0'
-    image: "${DOCKER_OWNER:-dspace}/dspace:${DSPACE_VER:-dspace-7_x-test}"
+    image: "${DOCKER_OWNER:-dspace}/dspace:${DSPACE_VER:-latest-test}"
    depends_on:
    - dspacedb
    networks:
@@ -82,7 +82,7 @@ services:
  # DSpace Solr container  
  dspacesolr:
    container_name: dspacesolr
-    image: "${DOCKER_OWNER:-dspace}/dspace-solr:${DSPACE_VER:-dspace-7_x}"
+    image: "${DOCKER_OWNER:-dspace}/dspace-solr:${DSPACE_VER:-latest}"
    # Needs main 'dspace' container to start first to guarantee access to solr_configs
    depends_on:
    - dspace
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -24,7 +24,7 @@ services:
      DSPACE_REST_HOST: localhost
      DSPACE_REST_PORT: 8080
      DSPACE_REST_NAMESPACE: /server
-    image: dspace/dspace-angular:dspace-7_x
+    image: dspace/dspace-angular:${DSPACE_VER:-latest}
    build:
      context: ..
      dockerfile: Dockerfile
--- a/docs/Configuration.md
+++ b/docs/Configuration.md
@@ -48,7 +48,7 @@ dspace-angular connects to your DSpace installation by using its REST endpoint.
 ```yaml
 rest:
  ssl: true
-  host: api7.dspace.org
+  host: demo.dspace.org
  port: 443
  nameSpace: /server
 }
@@ -57,7 +57,7 @@ rest:
 Alternately you can set the following environment variables. If any of these are set, it will override all configuration files:
 ```
  DSPACE_REST_SSL=true
-  DSPACE_REST_HOST=api7.dspace.org
+  DSPACE_REST_HOST=demo.dspace.org
  DSPACE_REST_PORT=443
  DSPACE_REST_NAMESPACE=/server
 ```
--- a/package.json
+++ b/package.json
@@ -99,6 +99,7 @@
    "fast-json-patch": "^3.1.1",
    "filesize": "^6.1.0",
    "http-proxy-middleware": "^1.0.5",
+    "http-terminator": "^3.2.0",
    "isbot": "^3.6.10",
    "js-cookie": "2.2.1",
    "js-yaml": "^4.1.0",
@@ -116,12 +117,12 @@
    "morgan": "^1.10.0",
    "ng-mocks": "^14.10.0",
    "ng2-file-upload": "1.4.0",
-    "ng2-nouislider": "^1.8.3",
+    "ng2-nouislider": "^2.0.0",
    "ngx-infinite-scroll": "^15.0.0",
    "ngx-pagination": "6.0.3",
    "ngx-sortablejs": "^11.1.0",
    "ngx-ui-switch": "^14.0.3",
-    "nouislider": "^14.6.3",
+    "nouislider": "^15.7.1",
    "pem": "1.14.7",
    "prop-types": "^15.8.1",
    "react-copy-to-clipboard": "^5.1.0",
@@ -159,11 +160,11 @@
    "@types/sanitize-html": "^2.9.0",
    "@typescript-eslint/eslint-plugin": "^5.59.1",
    "@typescript-eslint/parser": "^5.59.1",
-    "axe-core": "^4.7.0",
+    "axe-core": "^4.7.2",
    "compression-webpack-plugin": "^9.2.0",
    "copy-webpack-plugin": "^6.4.1",
    "cross-env": "^7.0.3",
-    "cypress": "12.10.0",
+    "cypress": "12.17.4",
    "cypress-axe": "^1.4.0",
    "deep-freeze": "0.0.1",
    "eslint": "^8.39.0",
--- a/server.ts
+++ b/server.ts
@@ -32,6 +32,7 @@ import isbot from 'isbot';
 import { createCertificate } from 'pem';
 import { createServer } from 'https';
 import { json } from 'body-parser';
+import { createHttpTerminator } from 'http-terminator';

 import { readFileSync } from 'fs';
 import { join } from 'path';
@@ -320,22 +321,23 @@ function initCache() {
  if (botCacheEnabled()) {
    // Initialize a new "least-recently-used" item cache (where least recently used pages are removed first)
    // See https://www.npmjs.com/package/lru-cache
-    // When enabled, each page defaults to expiring after 1 day
+    // When enabled, each page defaults to expiring after 1 day (defined in default-app-config.ts)
    botCache = new LRU( {
      max: environment.cache.serverSide.botCache.max,
-      ttl: environment.cache.serverSide.botCache.timeToLive || 24 * 60 * 60 * 1000, // 1 day
-      allowStale: environment.cache.serverSide.botCache.allowStale ?? true // if object is stale, return stale value before deleting
+      ttl: environment.cache.serverSide.botCache.timeToLive,
+      allowStale: environment.cache.serverSide.botCache.allowStale
    });
  }

  if (anonymousCacheEnabled()) {
    // NOTE: While caches may share SSR pages, this cache must be kept separately because the timeToLive
    // may expire pages more frequently.
-    // When enabled, each page defaults to expiring after 10 seconds (to minimize anonymous users seeing out-of-date content)
+    // When enabled, each page defaults to expiring after 10 seconds (defined in default-app-config.ts)
+    // to minimize anonymous users seeing out-of-date content
    anonymousCache = new LRU( {
      max: environment.cache.serverSide.anonymousCache.max,
-      ttl: environment.cache.serverSide.anonymousCache.timeToLive || 10 * 1000, // 10 seconds
-      allowStale: environment.cache.serverSide.anonymousCache.allowStale ?? true // if object is stale, return stale value before deleting
+      ttl: environment.cache.serverSide.anonymousCache.timeToLive,
+      allowStale: environment.cache.serverSide.anonymousCache.allowStale
    });
  }
 }
@@ -487,7 +489,7 @@ function saveToCache(req, page: any) {
 */
 function hasNotSucceeded(statusCode) {
  const rgx = new RegExp(/^20+/);
-  return !rgx.test(statusCode)
+  return !rgx.test(statusCode);
 }

 function retrieveHeaders(response) {
@@ -525,23 +527,46 @@ function serverStarted() {
 * @param keys SSL credentials
 */
 function createHttpsServer(keys) {
-  createServer({
+  const listener = createServer({
    key: keys.serviceKey,
    cert: keys.certificate
  }, app).listen(environment.ui.port, environment.ui.host, () => {
    serverStarted();
  });
+
+  // Graceful shutdown when signalled
+  const terminator = createHttpTerminator({server: listener});
+  process.on('SIGINT', () => {
+      void (async ()=> {
+        console.debug('Closing HTTPS server on signal');
+        await terminator.terminate().catch(e => { console.error(e); });
+        console.debug('HTTPS server closed');
+      })();
+      });
 }

+/**
+ * Create an HTTP server with the configured port and host.
+ */
 function run() {
  const port = environment.ui.port || 4000;
  const host = environment.ui.host || '/';

  // Start up the Node server
  const server = app();
-  server.listen(port, host, () => {
+  const listener = server.listen(port, host, () => {
    serverStarted();
  });
+
+  // Graceful shutdown when signalled
+  const terminator = createHttpTerminator({server: listener});
+  process.on('SIGINT', () => {
+      void (async () => {
+        console.debug('Closing HTTP server on signal');
+        await terminator.terminate().catch(e => { console.error(e); });
+        console.debug('HTTP server closed.');return undefined;
+        })();
+      });
 }

 function start() {
--- a/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.html
+++ b/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.html
@@ -16,23 +16,23 @@
         [submitLabel]="submitLabel"
         (submitForm)="onSubmit()">
  <div before class="btn-group">
-    <button (click)="onCancel()"
+    <button (click)="onCancel()" type="button"
            class="btn btn-outline-secondary"><i class="fas fa-arrow-left"></i> {{messagePrefix + '.return' | translate}}</button>
  </div>
  <div *ngIf="displayResetPassword" between class="btn-group">
-    <button class="btn btn-primary" [disabled]="!(canReset$ | async)" (click)="resetPassword()">
+    <button class="btn btn-primary" [disabled]="!(canReset$ | async)" type="button" (click)="resetPassword()">
      <i class="fa fa-key"></i> {{'admin.access-control.epeople.actions.reset' | translate}}
    </button>
  </div>
  <div between class="btn-group ml-1">
-    <button *ngIf="!isImpersonated" class="btn btn-primary" [ngClass]="{'d-none' : !(canImpersonate$ | async)}" (click)="impersonate()">
+    <button *ngIf="!isImpersonated" class="btn btn-primary" type="button" [ngClass]="{'d-none' : !(canImpersonate$ | async)}" (click)="impersonate()">
      <i class="fa fa-user-secret"></i> {{'admin.access-control.epeople.actions.impersonate' | translate}}
    </button>
-    <button *ngIf="isImpersonated" class="btn btn-primary" (click)="stopImpersonating()">
+    <button *ngIf="isImpersonated" class="btn btn-primary" type="button" (click)="stopImpersonating()">
      <i class="fa fa-user-secret"></i> {{'admin.access-control.epeople.actions.stop-impersonating' | translate}}
    </button>
  </div>
-  <button after class="btn btn-danger delete-button" [disabled]="!(canDelete$ | async)" (click)="delete()">
+  <button after class="btn btn-danger delete-button" type="button" [disabled]="!(canDelete$ | async)" (click)="delete()">
    <i class="fas fa-trash"></i> {{'admin.access-control.epeople.actions.delete' | translate}}
  </button>
 </ds-form>
--- a/src/app/access-control/group-registry/group-form/group-form.component.html
+++ b/src/app/access-control/group-registry/group-form/group-form.component.html
@@ -36,12 +36,12 @@
               [displayCancel]="false"
               (submitForm)="onSubmit()">
        <div before class="btn-group">
-          <button (click)="onCancel()"
+          <button (click)="onCancel()" type="button"
                  class="btn btn-outline-secondary"><i class="fas fa-arrow-left"></i> {{messagePrefix + '.return' | translate}}</button>
        </div>
        <div after *ngIf="groupBeingEdited != null" class="btn-group">
          <button class="btn btn-danger delete-button" [disabled]="!(canEdit$ | async) || groupBeingEdited.permanent"
-                  (click)="delete()">
+                  (click)="delete()" type="button">
            <i class="fa fa-trash"></i> {{ messagePrefix + '.actions.delete' | translate}}
          </button>
        </div>
--- a/src/app/access-control/group-registry/group-form/group-form.component.ts
+++ b/src/app/access-control/group-registry/group-form/group-form.component.ts
@@ -37,7 +37,7 @@ import {
  getFirstCompletedRemoteData,
  getFirstSucceededRemoteDataPayload
 } from '../../../core/shared/operators';
-import { AlertType } from '../../../shared/alert/aletr-type';
+import { AlertType } from '../../../shared/alert/alert-type';
 import { ConfirmationModalComponent } from '../../../shared/confirmation-modal/confirmation-modal.component';
 import { hasValue, isNotEmpty, hasValueOperator } from '../../../shared/empty.util';
 import { FormBuilderService } from '../../../shared/form/builder/form-builder.service';
--- a/src/app/admin/admin-registries/metadata-registry/metadata-schema-form/metadata-schema-form.component.ts
+++ b/src/app/admin/admin-registries/metadata-registry/metadata-schema-form/metadata-schema-form.component.ts
@@ -8,9 +8,9 @@ import {
 import { UntypedFormGroup } from '@angular/forms';
 import { RegistryService } from '../../../../core/registry/registry.service';
 import { FormBuilderService } from '../../../../shared/form/builder/form-builder.service';
-import { take } from 'rxjs/operators';
+import { switchMap, take, tap } from 'rxjs/operators';
 import { TranslateService } from '@ngx-translate/core';
-import { combineLatest } from 'rxjs';
+import { Observable, combineLatest } from 'rxjs';
 import { MetadataSchema } from '../../../../core/metadata/metadata-schema.model';

@Component({
@@ -147,30 +147,48 @@ export class MetadataSchemaFormComponent implements OnInit, OnDestroy {
   * Emit the updated/created schema using the EventEmitter submitForm
   */
  onSubmit(): void {
-    this.registryService.clearMetadataSchemaRequests().subscribe();
-    this.registryService.getActiveMetadataSchema().pipe(take(1)).subscribe(
-      (schema: MetadataSchema) => {
-        const values = {
-          prefix: this.name.value,
-          namespace: this.namespace.value
-        };
-        if (schema == null) {
-          this.registryService.createOrUpdateMetadataSchema(Object.assign(new MetadataSchema(), values)).subscribe((newSchema) => {
-            this.submitForm.emit(newSchema);
+        this.registryService
+          .getActiveMetadataSchema()
+          .pipe(
+            take(1),
+            switchMap((schema: MetadataSchema) => {
+              const metadataValues = {
+                prefix: this.name.value,
+                namespace: this.namespace.value,
+              };
+
+              let createOrUpdate$: Observable<MetadataSchema>;
+
+              if (schema == null) {
+                createOrUpdate$ =
+                  this.registryService.createOrUpdateMetadataSchema(
+                    Object.assign(new MetadataSchema(), metadataValues)
+                  );
+              } else {
+                const updatedSchema = Object.assign(
+                  new MetadataSchema(),
+                  schema,
+                  {
+                    namespace: metadataValues.namespace,
+                  }
+                );
+                createOrUpdate$ =
+                  this.registryService.createOrUpdateMetadataSchema(
+                    updatedSchema
+                  );
+              }
+
+              return createOrUpdate$;
+            }),
+            tap(() => {
+              this.registryService.clearMetadataSchemaRequests().subscribe();
+            })
+          )
+          .subscribe((updatedOrCreatedSchema: MetadataSchema) => {
+            this.submitForm.emit(updatedOrCreatedSchema);
+            this.clearFields();
+            this.registryService.cancelEditMetadataSchema();
          });
-        } else {
-          this.registryService.createOrUpdateMetadataSchema(Object.assign(new MetadataSchema(), schema, {
-            id: schema.id,
-            prefix: schema.prefix,
-            namespace: values.namespace,
-          })).subscribe((updatedSchema: MetadataSchema) => {
-            this.submitForm.emit(updatedSchema);
-          });
-        }
-        this.clearFields();
-        this.registryService.cancelEditMetadataSchema();
-      }
-    );
  }

  /**
--- a/src/app/admin/admin-registries/metadata-schema/metadata-schema.component.html
+++ b/src/app/admin/admin-registries/metadata-schema/metadata-schema.component.html
@@ -41,7 +41,7 @@
                  </label>
                </td>
                <td class="selectable-row" (click)="editField(field)">{{field.id}}</td>
-                <td class="selectable-row" (click)="editField(field)">{{schema?.prefix}}.{{field.element}}<label *ngIf="field.qualifier" class="mb-0">.</label>{{field.qualifier}}</td>
+                <td class="selectable-row" (click)="editField(field)">{{schema?.prefix}}.{{field.element}}{{field.qualifier ? '.' + field.qualifier : ''}}</td>
                <td class="selectable-row" (click)="editField(field)">{{field.scopeNote}}</td>
              </tr>
              </tbody>
--- a/src/app/admin/admin-sidebar/admin-sidebar-section/admin-sidebar-section.component.ts
+++ b/src/app/admin/admin-sidebar/admin-sidebar-section/admin-sidebar-section.component.ts
@@ -12,8 +12,7 @@ import { Router } from '@angular/router';
 * Represents a non-expandable section in the admin sidebar
 */
@Component({
-  /* eslint-disable @angular-eslint/component-selector */
-  selector: 'li[ds-admin-sidebar-section]',
+  selector: 'ds-admin-sidebar-section',
  templateUrl: './admin-sidebar-section.component.html',
  styleUrls: ['./admin-sidebar-section.component.scss'],

--- a/src/app/admin/admin-sidebar/admin-sidebar.component.html
+++ b/src/app/admin/admin-sidebar/admin-sidebar.component.html
@@ -26,10 +26,10 @@
              </div>
            </li>

-            <ng-container *ngFor="let section of (sections | async)">
+            <li *ngFor="let section of (sections | async)">
                <ng-container
                        *ngComponentOutlet="(sectionMap$ | async).get(section.id).component; injector: (sectionMap$ | async).get(section.id).injector;"></ng-container>
-            </ng-container>
+            </li>
        </ul>
    </div>
    <div class="navbar-nav">
--- a/src/app/admin/admin-sidebar/expandable-admin-sidebar-section/expandable-admin-sidebar-section.component.ts
+++ b/src/app/admin/admin-sidebar/expandable-admin-sidebar-section/expandable-admin-sidebar-section.component.ts
@@ -15,8 +15,7 @@ import { Router } from '@angular/router';
 * Represents a expandable section in the sidebar
 */
@Component({
-  /* eslint-disable @angular-eslint/component-selector */
-  selector: 'li[ds-expandable-admin-sidebar-section]',
+  selector: 'ds-expandable-admin-sidebar-section',
  templateUrl: './expandable-admin-sidebar-section.component.html',
  styleUrls: ['./expandable-admin-sidebar-section.component.scss'],
  animations: [rotate, slide, bgColor]
--- a/src/app/browse-by/browse-by-metadata-page/browse-by-metadata-page.component.ts
+++ b/src/app/browse-by/browse-by-metadata-page/browse-by-metadata-page.component.ts
@@ -161,7 +161,11 @@ export class BrowseByMetadataPageComponent implements OnInit, OnDestroy {
            this.value = '';
          }

-          if (typeof params.startsWith === 'string'){
+          if (params.startsWith === undefined || params.startsWith === '') {
+            this.startsWith = undefined;
+          }
+
+        if (typeof params.startsWith === 'string'){
            this.startsWith = params.startsWith.trim();
          }

--- a/src/app/collection-page/collection-form/collection-form.component.ts
+++ b/src/app/collection-page/collection-form/collection-form.component.ts
@@ -98,9 +98,8 @@ export class CollectionFormComponent extends ComColFormComponent<Collection> imp
    // retrieve all entity types to populate the dropdowns selection
    entities$.subscribe((entityTypes: ItemType[]) => {

-        entityTypes
-          .filter((type: ItemType) => type.label !== NONE_ENTITY_TYPE)
-          .forEach((type: ItemType, index: number) => {
+      entityTypes = entityTypes.filter((type: ItemType) => type.label !== NONE_ENTITY_TYPE);
+          entityTypes.forEach((type: ItemType, index: number) => {
          this.entityTypeSelection.add({
            disabled: false,
            label: type.label,
@@ -112,7 +111,7 @@ export class CollectionFormComponent extends ComColFormComponent<Collection> imp
          }
        });

-        this.formModel = [...collectionFormModels, this.entityTypeSelection];
+      this.formModel = entityTypes.length === 0 ? collectionFormModels : [...collectionFormModels, this.entityTypeSelection];

        super.ngOnInit();
        this.chd.detectChanges();
--- a/src/app/collection-page/collection-page.component.html
+++ b/src/app/collection-page/collection-page.component.html
@@ -34,9 +34,6 @@
                  </ds-comcol-page-content>
                </header>
                <ds-dso-edit-menu></ds-dso-edit-menu>
-                <div class="pl-2 space-children-mr">
-                  <ds-dso-page-subscription-button [dso]="collection"></ds-dso-page-subscription-button>
-                </div>
              </div>
              <section class="comcol-page-browse-section">
              <!-- Browse-By Links -->
--- a/src/app/collection-page/edit-item-template-page/edit-item-template-page.component.ts
+++ b/src/app/collection-page/edit-item-template-page/edit-item-template-page.component.ts
@@ -8,7 +8,7 @@ import { ItemTemplateDataService } from '../../core/data/item-template-data.serv
 import { getCollectionEditRoute } from '../collection-page-routing-paths';
 import { Item } from '../../core/shared/item.model';
 import { getFirstSucceededRemoteDataPayload } from '../../core/shared/operators';
-import { AlertType } from '../../shared/alert/aletr-type';
+import { AlertType } from '../../shared/alert/alert-type';
 import { DSONameService } from '../../core/breadcrumbs/dso-name.service';

@Component({
--- a/src/app/community-list-page/community-list-page.component.html
+++ b/src/app/community-list-page/community-list-page.component.html
@@ -1,4 +1,4 @@
 <div class="container">
-  <h2>{{ 'communityList.title' | translate }}</h2>
+  <h1>{{ 'communityList.title' | translate }}</h1>
  <ds-themed-community-list></ds-themed-community-list>
 </div>
--- a/src/app/community-list-page/community-list-service.ts
+++ b/src/app/community-list-page/community-list-service.ts
@@ -25,7 +25,7 @@ import { ShowMoreFlatNode } from './show-more-flat-node.model';
 import { FindListOptions } from '../core/data/find-list-options.model';
 import { AppConfig, APP_CONFIG } from 'src/config/app-config.interface';

-// Helper method to combine an flatten an array of observables of flatNode arrays
+// Helper method to combine and flatten an array of observables of flatNode arrays
 export const combineAndFlatten = (obsList: Observable<FlatNode[]>[]): Observable<FlatNode[]> =>
  observableCombineLatest([...obsList]).pipe(
    map((matrix: any[][]) => [].concat(...matrix)),
@@ -199,7 +199,7 @@ export class CommunityListService {
   * Transforms a community in a list of FlatNodes containing firstly a flatnode of the community itself,
   *      followed by flatNodes of its possible subcommunities and collection
   * It gets called recursively for each subcommunity to add its subcommunities and collections to the list
-   * Number of subcommunities and collections added, is dependant on the current page the parent is at for respectively subcommunities and collections.
+   * Number of subcommunities and collections added, is dependent on the current page the parent is at for respectively subcommunities and collections.
   * @param community         Community being transformed
   * @param level             Depth of the community in the list, subcommunities and collections go one level deeper
   * @param parent            Flatnode of the parent community
@@ -275,7 +275,7 @@ export class CommunityListService {

  /**
   * Checks if a community has subcommunities or collections by querying the respective services with a pageSize = 0
-   *      Returns an observable that combines the result.payload.totalElements fo the observables that the
+   *      Returns an observable that combines the result.payload.totalElements of the observables that the
   *          respective services return when queried
   * @param community     Community being checked whether it is expandable (if it has subcommunities or collections)
   */
--- a/src/app/community-list-page/community-list/community-list.component.html
+++ b/src/app/community-list-page/community-list/community-list.component.html
@@ -1,5 +1,5 @@
 <ds-themed-loading *ngIf="(dataSource.loading$ | async) && !loadingNode" class="ds-themed-loading"></ds-themed-loading>
-<cdk-tree [dataSource]="dataSource" [treeControl]="treeControl">
+<cdk-tree [dataSource]="dataSource" [treeControl]="treeControl" [trackBy]="trackBy">
  <!-- This is the tree node template for show more node -->
  <cdk-tree-node *cdkTreeNodeDef="let node; when: isShowMore" cdkTreeNodePadding
                 class="example-tree-node show-more-node">
@@ -34,13 +34,13 @@
              aria-hidden="true"></span>
      </button>
      <div class="d-flex flex-row">
-        <h5 class="align-middle pt-2">
+        <span class="align-middle pt-2 lead">
          <a [routerLink]="node.route" class="lead">
            {{ dsoNameService.getName(node.payload) }}
          </a>
          <span class="pr-2">&nbsp;</span>
          <span *ngIf="node.payload.archivedItemsCount >= 0" class="badge badge-pill badge-secondary align-top archived-items-lead">{{node.payload.archivedItemsCount}}</span>
-        </h5>
+        </span>
      </div>
    </div>
    <ds-truncatable [id]="node.id">
--- a/src/app/community-list-page/community-list/community-list.component.ts
+++ b/src/app/community-list-page/community-list/community-list.component.ts
@@ -28,10 +28,9 @@ export class CommunityListComponent implements OnInit, OnDestroy {
  treeControl = new FlatTreeControl<FlatNode>(
    (node: FlatNode) => node.level, (node: FlatNode) => true
  );
-
  dataSource: CommunityListDatasource;
-
  paginationConfig: FindListOptions;
+  trackBy = (index, node: FlatNode) => node.id;

  constructor(
    protected communityListService: CommunityListService,
@@ -58,18 +57,28 @@ export class CommunityListComponent implements OnInit, OnDestroy {
    this.communityListService.saveCommunityListStateToStore(this.expandedNodes, this.loadingNode);
  }

-  // whether or not this node has children (subcommunities or collections)
+  /**
+   * Whether this node has children (subcommunities or collections)
+   * @param _
+   * @param node
+   */
  hasChild(_: number, node: FlatNode) {
    return node.isExpandable$;
  }

-  // whether or not it is a show more node (contains no data, but is indication that there are more topcoms, subcoms or collections
+  /**
+   * Whether this is a show more node that contains no data, but indicates that there is
+   * one or more community or collection.
+   * @param _
+   * @param node
+   */
  isShowMore(_: number, node: FlatNode) {
    return node.isShowMoreNode;
  }

  /**
-   * Toggles the expanded variable of a node, adds it to the expanded nodes list and reloads the tree so this node is expanded
+   * Toggles the expanded variable of a node, adds it to the expanded nodes list and reloads the tree
+   * so this node is expanded
   * @param node  Node we want to expand
   */
  toggleExpanded(node: FlatNode) {
@@ -92,9 +101,12 @@ export class CommunityListComponent implements OnInit, OnDestroy {

  /**
   * Makes sure the next page of a node is added to the tree (top community, sub community of collection)
-   *      > Finds its parent (if not top community) and increases its corresponding collection/subcommunity currentPage
-   *      > Reloads tree with new page added to corresponding top community lis, sub community list or collection list
-   * @param node  The show more node indicating whether it's an increase in top communities, sub communities or collections
+   *      > Finds its parent (if not top community) and increases its corresponding collection/subcommunity
+   *      currentPage
+   *      > Reloads tree with new page added to corresponding top community lis, sub community list or
+   *      collection list
+   * @param node  The show more node indicating whether it's an increase in top communities, sub communities
+   *              or collections
   */
  getNextPage(node: FlatNode): void {
    this.loadingNode = node;
--- a/src/app/community-list-page/show-more-flat-node.model.ts
+++ b/src/app/community-list-page/show-more-flat-node.model.ts
@@ -1,6 +1,6 @@
 /**
 * The show more links in the community tree are also represented by a flatNode so we know where in
- *  the tree it should be rendered an who its parent is (needed for the action resulting in clicking this link)
+ *  the tree it should be rendered and who its parent is (needed for the action resulting in clicking this link)
 */
 export class ShowMoreFlatNode {
 }
--- a/src/app/community-page/community-page.component.html
+++ b/src/app/community-page/community-page.component.html
@@ -21,9 +21,6 @@
          </ds-comcol-page-content>
        </header>
        <ds-dso-edit-menu></ds-dso-edit-menu>
-        <div class="pl-2 space-children-mr">
-          <ds-dso-page-subscription-button [dso]="communityPayload"></ds-dso-page-subscription-button>
-        </div>
      </div>
      <section class="comcol-page-browse-section">

--- a/src/app/core/auth/auth.interceptor.ts
+++ b/src/app/core/auth/auth.interceptor.ts
@@ -152,12 +152,12 @@ export class AuthInterceptor implements HttpInterceptor {

        let authMethodModel: AuthMethod;
        if (splittedRealm.length === 1) {
-          authMethodModel = new AuthMethod(methodName);
+          authMethodModel = new AuthMethod(methodName, Number(j));
          authMethodModels.push(authMethodModel);
        } else if (splittedRealm.length > 1) {
          let location = splittedRealm[1];
          location = this.parseLocation(location);
-          authMethodModel = new AuthMethod(methodName, location);
+          authMethodModel = new AuthMethod(methodName, Number(j), location);
          authMethodModels.push(authMethodModel);
        }
      }
@@ -165,7 +165,7 @@ export class AuthInterceptor implements HttpInterceptor {
      // make sure the email + password login component gets rendered first
      authMethodModels = this.sortAuthMethods(authMethodModels);
    } else {
-      authMethodModels.push(new AuthMethod(AuthMethodType.Password));
+      authMethodModels.push(new AuthMethod(AuthMethodType.Password, 0));
    }

    return authMethodModels;
--- a/src/app/core/auth/auth.reducer.spec.ts
+++ b/src/app/core/auth/auth.reducer.spec.ts
@@ -598,9 +598,9 @@ describe('authReducer', () => {
      authMethods: [],
      idle: false
    };
-    const authMethods = [
-      new AuthMethod(AuthMethodType.Password),
-      new AuthMethod(AuthMethodType.Shibboleth, 'location')
+    const authMethods: AuthMethod[] = [
+      new AuthMethod(AuthMethodType.Password, 0),
+      new AuthMethod(AuthMethodType.Shibboleth, 1, 'location'),
    ];
    const action = new RetrieveAuthMethodsSuccessAction(authMethods);
    const newState = authReducer(initialState, action);
@@ -632,7 +632,7 @@ describe('authReducer', () => {
      loaded: false,
      blocking: false,
      loading: false,
-      authMethods: [new AuthMethod(AuthMethodType.Password)],
+      authMethods: [new AuthMethod(AuthMethodType.Password, 0)],
      idle: false
    };
    expect(newState).toEqual(state);
--- a/src/app/core/auth/auth.reducer.ts
+++ b/src/app/core/auth/auth.reducer.ts
@@ -236,7 +236,7 @@ export function authReducer(state: any = initialState, action: AuthActions): Aut
      return Object.assign({}, state, {
        loading: false,
        blocking: false,
-        authMethods: [new AuthMethod(AuthMethodType.Password)]
+        authMethods: [new AuthMethod(AuthMethodType.Password, 0)]
      });

    case AuthActionTypes.SET_REDIRECT_URL:
--- a/src/app/core/auth/models/auth.method.ts
+++ b/src/app/core/auth/models/auth.method.ts
@@ -2,11 +2,12 @@ import { AuthMethodType } from './auth.method-type';

 export class AuthMethod {
  authMethodType: AuthMethodType;
+  position: number;
  location?: string;

-  // isStandalonePage? = true;
+  constructor(authMethodName: string, position: number, location?: string) {
+    this.position = position;

-  constructor(authMethodName: string, location?: string) {
    switch (authMethodName) {
      case 'ip': {
        this.authMethodType = AuthMethodType.Ip;
--- a/src/app/core/core.effects.ts
+++ b/src/app/core/core.effects.ts
@@ -7,6 +7,7 @@ import { ServerSyncBufferEffects } from './cache/server-sync-buffer.effects';
 import { ObjectUpdatesEffects } from './data/object-updates/object-updates.effects';
 import { RouteEffects } from './services/route.effects';
 import { RouterEffects } from './router/router.effects';
+import { MenuEffects } from '../shared/menu/menu.effects';

 export const coreEffects = [
  RequestEffects,
@@ -18,4 +19,5 @@ export const coreEffects = [
  ObjectUpdatesEffects,
  RouteEffects,
  RouterEffects,
+  MenuEffects,
 ];
--- a/src/app/core/data/request.service.spec.ts
+++ b/src/app/core/data/request.service.spec.ts
@@ -1,6 +1,6 @@
 import { Store, StoreModule } from '@ngrx/store';
 import { cold, getTestScheduler } from 'jasmine-marbles';
-import { EMPTY, of as observableOf } from 'rxjs';
+import { EMPTY, Observable, of as observableOf } from 'rxjs';
 import { TestScheduler } from 'rxjs/testing';

 import { getMockObjectCacheService } from '../../shared/mocks/object-cache.service.mock';
@@ -638,4 +638,87 @@ describe('RequestService', () => {
      expect(done$).toBeObservable(cold('-----(t|)', { t: true }));
    }));
  });
+
+  describe('setStaleByHref', () => {
+    const uuid = 'c574a42c-4818-47ac-bbe1-6c3cd622c81f';
+    const href = 'https://rest.api/some/object';
+    const freshRE: any = {
+      request: { uuid, href },
+      state: RequestEntryState.Success
+    };
+    const staleRE: any = {
+      request: { uuid, href },
+      state: RequestEntryState.SuccessStale
+    };
+
+    it(`should call getByHref to retrieve the RequestEntry matching the href`, () => {
+      spyOn(service, 'getByHref').and.returnValue(observableOf(staleRE));
+      service.setStaleByHref(href);
+      expect(service.getByHref).toHaveBeenCalledWith(href);
+    });
+
+    it(`should dispatch a RequestStaleAction for the RequestEntry returned by getByHref`, (done: DoneFn) => {
+      spyOn(service, 'getByHref').and.returnValue(observableOf(staleRE));
+      spyOn(store, 'dispatch');
+      service.setStaleByHref(href).subscribe(() => {
+        const requestStaleAction = new RequestStaleAction(uuid);
+        requestStaleAction.lastUpdated = jasmine.any(Number) as any;
+        expect(store.dispatch).toHaveBeenCalledWith(requestStaleAction);
+        done();
+      });
+    });
+
+   it(`should emit true when the request in the store is stale`, () => {
+     spyOn(service, 'getByHref').and.returnValue(cold('a-b', {
+       a: freshRE,
+       b: staleRE
+     }));
+     const result$ = service.setStaleByHref(href);
+     expect(result$).toBeObservable(cold('--(c|)', { c: true }));
+   });
+  });
+
+  describe('setStaleByHrefSubstring', () => {
+    let dispatchSpy: jasmine.Spy;
+    let getByUUIDSpy: jasmine.Spy;
+
+    beforeEach(() => {
+      dispatchSpy = spyOn(store, 'dispatch');
+      getByUUIDSpy = spyOn(service, 'getByUUID').and.callThrough();
+    });
+
+    describe('with an empty/no matching requests in the state', () => {
+      it('should return true', () => {
+        const done$: Observable<boolean> = service.setStaleByHrefSubstring('https://rest.api/endpoint/selfLink');
+        expect(done$).toBeObservable(cold('(a|)', { a: true }));
+      });
+    });
+
+    describe('with a matching request in the state', () => {
+      beforeEach(() => {
+        const state = Object.assign({}, initialState, {
+          core: Object.assign({}, initialState.core, {
+            'index': {
+              'get-request/href-to-uuid': {
+                'https://rest.api/endpoint/selfLink': '5f2a0d2a-effa-4d54-bd54-5663b960f9eb'
+              }
+            }
+          })
+        });
+        mockStore.setState(state);
+      });
+
+      it('should return an Observable that emits true as soon as the request is stale', () => {
+        dispatchSpy.and.callFake(() => { /* empty */ });   // don't actually set as stale
+        getByUUIDSpy.and.returnValue(cold('a-b--c--d-', {  // but fake the state in the cache
+          a: { state: RequestEntryState.ResponsePending },
+          b: { state: RequestEntryState.Success },
+          c: { state: RequestEntryState.SuccessStale },
+          d: { state: RequestEntryState.Error },
+        }));
+        const done$: Observable<boolean> = service.setStaleByHrefSubstring('https://rest.api/endpoint/selfLink');
+        expect(done$).toBeObservable(cold('-----(a|)', { a: true }));
+      });
+    });
+  });
 });
--- a/src/app/core/data/request.service.ts
+++ b/src/app/core/data/request.service.ts
@@ -2,8 +2,8 @@ import { Injectable } from '@angular/core';
 import { HttpHeaders } from '@angular/common/http';

 import { createSelector, MemoizedSelector, select, Store } from '@ngrx/store';
-import { Observable } from 'rxjs';
-import { filter, map, take, tap } from 'rxjs/operators';
+import { Observable, from as observableFrom } from 'rxjs';
+import { filter, find, map, mergeMap, switchMap, take, tap, toArray } from 'rxjs/operators';
 import cloneDeep from 'lodash/cloneDeep';
 import { hasValue, isEmpty, isNotEmpty, hasNoValue } from '../../shared/empty.util';
 import { ObjectCacheEntry } from '../cache/object-cache.reducer';
@@ -16,7 +16,7 @@ import {
  RequestExecuteAction,
  RequestStaleAction
 } from './request.actions';
-import { GetRequest} from './request.models';
+import { GetRequest } from './request.models';
 import { CommitSSBAction } from '../cache/server-sync-buffer.actions';
 import { RestRequestMethod } from './rest-request-method';
 import { coreSelector } from '../core.selectors';
@@ -300,22 +300,42 @@ export class RequestService {
   * Set all requests that match (part of) the href to stale
   *
   * @param href    A substring of the request(s) href
-   * @return        Returns an observable emitting whether or not the cache is removed
+   * @return        Returns an observable emitting when those requests are all stale
   */
  setStaleByHrefSubstring(href: string): Observable<boolean> {
-    this.store.pipe(
+    const requestUUIDs$ = this.store.pipe(
      select(uuidsFromHrefSubstringSelector(requestIndexSelector, href)),
      take(1)
-    ).subscribe((uuids: string[]) => {
+    );
+    requestUUIDs$.subscribe((uuids: string[]) => {
      for (const uuid of uuids) {
        this.store.dispatch(new RequestStaleAction(uuid));
      }
    });
    this.requestsOnTheirWayToTheStore = this.requestsOnTheirWayToTheStore.filter((reqHref: string) => reqHref.indexOf(href) < 0);

-    return this.store.pipe(
-      select(uuidsFromHrefSubstringSelector(requestIndexSelector, href)),
-      map((uuids) => isEmpty(uuids))
+    // emit true after all requests are stale
+    return requestUUIDs$.pipe(
+      switchMap((uuids: string[]) => {
+        if (isEmpty(uuids)) {
+          // if there were no matching requests, emit true immediately
+          return [true];
+        } else {
+          // otherwise emit all request uuids in order
+          return observableFrom(uuids).pipe(
+            // retrieve the RequestEntry for each uuid
+            mergeMap((uuid: string) => this.getByUUID(uuid)),
+            // check whether it is undefined or stale
+            map((request: RequestEntry) => hasNoValue(request) || isStale(request.state)),
+            // if it is, complete
+            find((stale: boolean) => stale === true),
+            // after all observables above are completed, emit them as a single array
+            toArray(),
+            // when the array comes in, emit true
+            map(() => true)
+          );
+        }
+      })
    );
  }

@@ -331,7 +351,29 @@ export class RequestService {
      map((request: RequestEntry) => isStale(request.state)),
      filter((stale: boolean) => stale),
      take(1),
-      );
+    );
+  }
+
+  /**
+   * Mark a request as stale
+   * @param href  the href of the request
+   * @return      an Observable that will emit true once the Request becomes stale
+   */
+  setStaleByHref(href: string): Observable<boolean> {
+    const requestEntry$ = this.getByHref(href);
+
+    requestEntry$.pipe(
+      map((re: RequestEntry) => re.request.uuid),
+      take(1),
+    ).subscribe((uuid: string) => {
+      this.store.dispatch(new RequestStaleAction(uuid));
+    });
+
+    return requestEntry$.pipe(
+      map((request: RequestEntry) => isStale(request.state)),
+      filter((stale: boolean) => stale),
+      take(1)
+    );
  }

  /**
@@ -344,10 +386,10 @@ export class RequestService {
    // if it's not a GET request
    if (request.method !== RestRequestMethod.GET) {
      return true;
-    // if it is a GET request, check it isn't pending
+      // if it is a GET request, check it isn't pending
    } else if (this.isPending(request)) {
      return false;
-    // if it is pending, check if we're allowed to use a cached version
+      // if it is pending, check if we're allowed to use a cached version
    } else if (!useCachedVersionIfAvailable) {
      return true;
    } else {
--- a/src/app/core/data/root-data.service.spec.ts
+++ b/src/app/core/data/root-data.service.spec.ts
@@ -1,16 +1,18 @@
 import { RootDataService } from './root-data.service';
 import { HALEndpointService } from '../shared/hal-endpoint.service';
-import { createSuccessfulRemoteDataObject$ } from '../../shared/remote-data.utils';
-import { Observable, of } from 'rxjs';
+import {
+  createSuccessfulRemoteDataObject$,
+  createFailedRemoteDataObject$
+} from '../../shared/remote-data.utils';
+import { Observable } from 'rxjs';
 import { RemoteData } from './remote-data';
 import { Root } from './root.model';
-import { RawRestResponse } from '../dspace-rest/raw-rest-response.model';
 import { cold } from 'jasmine-marbles';

 describe('RootDataService', () => {
  let service: RootDataService;
  let halService: HALEndpointService;
-  let restService;
+  let requestService;
  let rootEndpoint;
  let findByHrefSpy;

@@ -19,10 +21,10 @@ describe('RootDataService', () => {
    halService = jasmine.createSpyObj('halService', {
      getRootHref: rootEndpoint,
    });
-    restService = jasmine.createSpyObj('halService', {
-      get: jasmine.createSpy('get'),
-    });
-    service = new RootDataService(null, null, null, halService, restService);
+    requestService = jasmine.createSpyObj('requestService', [
+      'setStaleByHref',
+    ]);
+    service = new RootDataService(requestService, null, null, halService);

    findByHrefSpy = spyOn(service as any, 'findByHref');
    findByHrefSpy.and.returnValue(createSuccessfulRemoteDataObject$({}));
@@ -47,12 +49,8 @@ describe('RootDataService', () => {
    let result$: Observable<boolean>;

    it('should return observable of true when root endpoint is available', () => {
-      const mockResponse = {
-        statusCode: 200,
-        statusText: 'OK'
-      } as RawRestResponse;
+      spyOn(service, 'findRoot').and.returnValue(createSuccessfulRemoteDataObject$<Root>({} as any));

-      restService.get.and.returnValue(of(mockResponse));
      result$ = service.checkServerAvailability();

      expect(result$).toBeObservable(cold('(a|)', {
@@ -61,12 +59,8 @@ describe('RootDataService', () => {
    });

    it('should return observable of false when root endpoint is not available', () => {
-      const mockResponse = {
-        statusCode: 500,
-        statusText: 'Internal Server Error'
-      } as RawRestResponse;
+      spyOn(service, 'findRoot').and.returnValue(createFailedRemoteDataObject$<Root>('500'));

-      restService.get.and.returnValue(of(mockResponse));
      result$ = service.checkServerAvailability();

      expect(result$).toBeObservable(cold('(a|)', {
@@ -75,4 +69,12 @@ describe('RootDataService', () => {
    });

  });
+
+  describe(`invalidateRootCache`, () => {
+    it(`should set the cached root request to stale`, () => {
+      service.invalidateRootCache();
+      expect(halService.getRootHref).toHaveBeenCalled();
+      expect(requestService.setStaleByHref).toHaveBeenCalledWith(rootEndpoint);
+    });
+  });
 });
--- a/src/app/core/data/root-data.service.ts
+++ b/src/app/core/data/root-data.service.ts
@@ -7,12 +7,11 @@ import { HALEndpointService } from '../shared/hal-endpoint.service';
 import { Observable, of as observableOf } from 'rxjs';
 import { RemoteData } from './remote-data';
 import { FollowLinkConfig } from '../../shared/utils/follow-link-config.model';
-import { DspaceRestService } from '../dspace-rest/dspace-rest.service';
-import { RawRestResponse } from '../dspace-rest/raw-rest-response.model';
 import { catchError, map } from 'rxjs/operators';
 import { BaseDataService } from './base/base-data.service';
 import { ObjectCacheService } from '../cache/object-cache.service';
 import { dataService } from './base/data-service.decorator';
+import { getFirstCompletedRemoteData } from '../shared/operators';

 /**
 * A service to retrieve the {@link Root} object from the REST API.
@@ -25,7 +24,6 @@ export class RootDataService extends BaseDataService<Root> {
    protected rdbService: RemoteDataBuildService,
    protected objectCache: ObjectCacheService,
    protected halService: HALEndpointService,
-    protected restService: DspaceRestService,
  ) {
    super('', requestService, rdbService, objectCache, halService, 6 * 60 * 60 * 1000);
  }
@@ -34,12 +32,13 @@ export class RootDataService extends BaseDataService<Root> {
   * Check if root endpoint is available
   */
  checkServerAvailability(): Observable<boolean> {
-    return this.restService.get(this.halService.getRootHref()).pipe(
+    return this.findRoot().pipe(
      catchError((err ) => {
        console.error(err);
        return observableOf(false);
      }),
-      map((res: RawRestResponse) => res.statusCode === 200)
+      getFirstCompletedRemoteData(),
+      map((rootRd: RemoteData<Root>) => rootRd.statusCode === 200)
    );
  }

@@ -60,6 +59,6 @@ export class RootDataService extends BaseDataService<Root> {
   * Set to sale the root endpoint cache hit
   */
  invalidateRootCache() {
-    this.requestService.setStaleByHrefSubstring(this.halService.getRootHref());
+    this.requestService.setStaleByHref(this.halService.getRootHref());
  }
 }
--- a/src/app/core/server-check/server-check.guard.spec.ts
+++ b/src/app/core/server-check/server-check.guard.spec.ts
@@ -1,68 +1,86 @@
 import { ServerCheckGuard } from './server-check.guard';
-import { Router } from '@angular/router';
+import { Router, NavigationStart, UrlTree, NavigationEnd, RouterEvent } from '@angular/router';

-import { of } from 'rxjs';
-import { take } from 'rxjs/operators';
-
-import { getPageInternalServerErrorRoute } from '../../app-routing-paths';
+import { of, ReplaySubject } from 'rxjs';
 import { RootDataService } from '../data/root-data.service';
+import { TestScheduler } from 'rxjs/testing';
 import SpyObj = jasmine.SpyObj;

 describe('ServerCheckGuard', () => {
  let guard: ServerCheckGuard;
-  let router: SpyObj<Router>;
+  let router: Router;
+  const eventSubject = new ReplaySubject<RouterEvent>(1);
  let rootDataServiceStub: SpyObj<RootDataService>;
-
-  rootDataServiceStub = jasmine.createSpyObj('RootDataService', {
-    checkServerAvailability: jasmine.createSpy('checkServerAvailability'),
-    invalidateRootCache: jasmine.createSpy('invalidateRootCache')
-  });
-  router = jasmine.createSpyObj('Router', {
-    navigateByUrl: jasmine.createSpy('navigateByUrl')
-  });
+  let testScheduler: TestScheduler;
+  let redirectUrlTree: UrlTree;

  beforeEach(() => {
+    testScheduler = new TestScheduler((actual, expected) => {
+      expect(actual).toEqual(expected);
+    });
+    rootDataServiceStub = jasmine.createSpyObj('RootDataService', {
+      checkServerAvailability: jasmine.createSpy('checkServerAvailability'),
+      invalidateRootCache: jasmine.createSpy('invalidateRootCache'),
+      findRoot: jasmine.createSpy('findRoot')
+    });
+    redirectUrlTree = new UrlTree();
+    router = {
+      events: eventSubject.asObservable(),
+      navigateByUrl: jasmine.createSpy('navigateByUrl'),
+      parseUrl: jasmine.createSpy('parseUrl').and.returnValue(redirectUrlTree)
+    } as any;
    guard = new ServerCheckGuard(router, rootDataServiceStub);
  });

-  afterEach(() => {
-    router.navigateByUrl.calls.reset();
-    rootDataServiceStub.invalidateRootCache.calls.reset();
-  });
-
  it('should be created', () => {
    expect(guard).toBeTruthy();
  });

-  describe('when root endpoint has succeeded', () => {
+  describe('when root endpoint request has succeeded', () => {
    beforeEach(() => {
      rootDataServiceStub.checkServerAvailability.and.returnValue(of(true));
    });

-    it('should not redirect to error page', () => {
-      guard.canActivateChild({} as any, {} as any).pipe(
-        take(1)
-      ).subscribe((canActivate: boolean) => {
-        expect(canActivate).toEqual(true);
-        expect(rootDataServiceStub.invalidateRootCache).not.toHaveBeenCalled();
-        expect(router.navigateByUrl).not.toHaveBeenCalled();
+    it('should return true', () => {
+      testScheduler.run(({ expectObservable }) => {
+        const result$ = guard.canActivateChild({} as any, {} as any);
+        expectObservable(result$).toBe('(a|)', { a: true });
      });
    });
  });

-  describe('when root endpoint has not succeeded', () => {
+  describe('when root endpoint request has not succeeded', () => {
    beforeEach(() => {
      rootDataServiceStub.checkServerAvailability.and.returnValue(of(false));
    });

-    it('should redirect to error page', () => {
-      guard.canActivateChild({} as any, {} as any).pipe(
-        take(1)
-      ).subscribe((canActivate: boolean) => {
-        expect(canActivate).toEqual(false);
-        expect(rootDataServiceStub.invalidateRootCache).toHaveBeenCalled();
-        expect(router.navigateByUrl).toHaveBeenCalledWith(getPageInternalServerErrorRoute());
+    it('should return a UrlTree with the route to the 500 error page', () => {
+      testScheduler.run(({ expectObservable }) => {
+        const result$ = guard.canActivateChild({} as any, {} as any);
+        expectObservable(result$).toBe('(b|)', { b: redirectUrlTree });
      });
+      expect(router.parseUrl).toHaveBeenCalledWith('/500');
+    });
+  });
+
+  describe(`listenForRouteChanges`, () => {
+    it(`should retrieve the root endpoint, without using the cache, when the method is first called`, () => {
+        testScheduler.run(() => {
+          guard.listenForRouteChanges();
+          expect(rootDataServiceStub.findRoot).toHaveBeenCalledWith(false);
+        });
+    });
+
+    it(`should invalidate the root cache on every NavigationStart event`, () => {
+        testScheduler.run(() => {
+          guard.listenForRouteChanges();
+          eventSubject.next(new NavigationStart(1,''));
+          eventSubject.next(new NavigationEnd(1,'', ''));
+          eventSubject.next(new NavigationStart(2,''));
+          eventSubject.next(new NavigationEnd(2,'', ''));
+          eventSubject.next(new NavigationStart(3,''));
+        });
+        expect(rootDataServiceStub.invalidateRootCache).toHaveBeenCalledTimes(3);
    });
  });
 });
--- a/src/app/core/server-check/server-check.guard.ts
+++ b/src/app/core/server-check/server-check.guard.ts
@@ -1,8 +1,15 @@
 import { Injectable } from '@angular/core';
-import { ActivatedRouteSnapshot, CanActivateChild, Router, RouterStateSnapshot } from '@angular/router';
+import {
+  ActivatedRouteSnapshot,
+  CanActivateChild,
+  Router,
+  RouterStateSnapshot,
+  UrlTree,
+  NavigationStart
+} from '@angular/router';

 import { Observable } from 'rxjs';
-import { take, tap } from 'rxjs/operators';
+import { take, map, filter } from 'rxjs/operators';

 import { RootDataService } from '../data/root-data.service';
 import { getPageInternalServerErrorRoute } from '../../app-routing-paths';
@@ -23,17 +30,38 @@ export class ServerCheckGuard implements CanActivateChild {
   */
  canActivateChild(
    route: ActivatedRouteSnapshot,
-    state: RouterStateSnapshot): Observable<boolean> {
+    state: RouterStateSnapshot
+  ): Observable<boolean | UrlTree> {

    return this.rootDataService.checkServerAvailability().pipe(
      take(1),
-      tap((isAvailable: boolean) => {
+      map((isAvailable: boolean) => {
        if (!isAvailable) {
-          this.rootDataService.invalidateRootCache();
-          this.router.navigateByUrl(getPageInternalServerErrorRoute());
+          return this.router.parseUrl(getPageInternalServerErrorRoute());
+        } else {
+          return true;
        }
      })
    );
+  }

+  /**
+   * Listen to all router events. Every time a new navigation starts, invalidate the cache
+   * for the root endpoint. That way we retrieve it once per routing operation to ensure the
+   * backend is not down. But if the guard is called multiple times during the same routing
+   * operation, the cached version is used.
+   */
+  listenForRouteChanges(): void {
+    // we'll always be too late for the first NavigationStart event with the router subscribe below,
+    // so this statement is for the very first route operation. A `find` without using the cache,
+    // rather than an invalidateRootCache, because invalidating as the app is bootstrapping can
+    // break other features
+    this.rootDataService.findRoot(false);
+
+    this.router.events.pipe(
+      filter(event => event instanceof NavigationStart),
+    ).subscribe(() => {
+      this.rootDataService.invalidateRootCache();
+    });
  }
 }
--- a/src/app/core/services/browser-hard-redirect.service.ts
+++ b/src/app/core/services/browser-hard-redirect.service.ts
@@ -38,8 +38,8 @@ export class BrowserHardRedirectService extends HardRedirectService {
  /**
   * Get the origin of the current URL
   * i.e. <scheme> "://" <hostname> [ ":" <port> ]
-   * e.g. if the URL is https://demo7.dspace.org/search?query=test,
-   * the origin would be https://demo7.dspace.org
+   * e.g. if the URL is https://demo.dspace.org/search?query=test,
+   * the origin would be https://demo.dspace.org
   */
  getCurrentOrigin(): string {
    return this.location.origin;
--- a/src/app/core/services/hard-redirect.service.ts
+++ b/src/app/core/services/hard-redirect.service.ts
@@ -25,8 +25,8 @@ export abstract class HardRedirectService {
  /**
   * Get the origin of the current URL
   * i.e. <scheme> "://" <hostname> [ ":" <port> ]
-   * e.g. if the URL is https://demo7.dspace.org/search?query=test,
-   * the origin would be https://demo7.dspace.org
+   * e.g. if the URL is https://demo.dspace.org/search?query=test,
+   * the origin would be https://demo.dspace.org
   */
  abstract getCurrentOrigin(): string;
 }
--- a/src/app/core/services/server-hard-redirect.service.ts
+++ b/src/app/core/services/server-hard-redirect.service.ts
@@ -69,8 +69,8 @@ export class ServerHardRedirectService extends HardRedirectService {
  /**
   * Get the origin of the current URL
   * i.e. <scheme> "://" <hostname> [ ":" <port> ]
-   * e.g. if the URL is https://demo7.dspace.org/search?query=test,
-   * the origin would be https://demo7.dspace.org
+   * e.g. if the URL is https://demo.dspace.org/search?query=test,
+   * the origin would be https://demo.dspace.org
   */
  getCurrentOrigin(): string {
    return this.req.protocol + '://' + this.req.headers.host;
--- a/src/app/core/submission/models/workspaceitem-section-upload-file.model.ts
+++ b/src/app/core/submission/models/workspaceitem-section-upload-file.model.ts
@@ -29,6 +29,18 @@ export class WorkspaceitemSectionUploadFileObject {
    value: string;
  };

+  /**
+   * The file format information
+   */
+  format: {
+    shortDescription: string,
+    description: string,
+    mimetype: string,
+    supportLevel: string,
+    internal: boolean,
+    type: string
+  };
+
  /**
   * The file url
   */
--- a/src/app/dso-shared/dso-edit-metadata/dso-edit-metadata.component.ts
+++ b/src/app/dso-shared/dso-edit-metadata/dso-edit-metadata.component.ts
@@ -1,5 +1,5 @@
 import { Component, Inject, Injector, Input, OnDestroy, OnInit, ViewChild } from '@angular/core';
-import { AlertType } from '../../shared/alert/aletr-type';
+import { AlertType } from '../../shared/alert/alert-type';
 import { DSpaceObject } from '../../core/shared/dspace-object.model';
 import { DsoEditMetadataForm } from './dso-edit-metadata-form';
 import { map } from 'rxjs/operators';
--- a/src/app/header/context-help-toggle/context-help-toggle.component.ts
+++ b/src/app/header/context-help-toggle/context-help-toggle.component.ts
@@ -1,6 +1,6 @@
-import { Component, OnInit } from '@angular/core';
+import { Component, OnInit, ElementRef } from '@angular/core';
 import { ContextHelpService } from '../../shared/context-help.service';
-import { Observable } from 'rxjs';
+import { Observable, Subscription } from 'rxjs';
 import { map } from 'rxjs/operators';

 /**
@@ -15,12 +15,23 @@ import { map } from 'rxjs/operators';
 export class ContextHelpToggleComponent implements OnInit {
  buttonVisible$: Observable<boolean>;

+  subscriptions: Subscription[] = [];
+
  constructor(
-    private contextHelpService: ContextHelpService,
-  ) { }
+    protected elRef: ElementRef,
+    protected contextHelpService: ContextHelpService,
+  ) {
+  }

  ngOnInit(): void {
    this.buttonVisible$ = this.contextHelpService.tooltipCount$().pipe(map(x => x > 0));
+    this.subscriptions.push(this.buttonVisible$.subscribe((showContextHelpToggle: boolean) => {
+      if (showContextHelpToggle) {
+        this.elRef.nativeElement.classList.remove('d-none');
+      } else {
+        this.elRef.nativeElement.classList.add('d-none');
+      }
+    }));
  }

  onClick() {
--- a/src/app/header/header.component.html
+++ b/src/app/header/header.component.html
@@ -7,12 +7,12 @@

      <nav role="navigation" [attr.aria-label]="'nav.user.description' | translate" class="navbar navbar-light navbar-expand-md flex-shrink-0 px-0">
        <ds-themed-search-navbar></ds-themed-search-navbar>
-        <ds-lang-switch></ds-lang-switch>
+        <ds-themed-lang-switch></ds-themed-lang-switch>
        <ds-context-help-toggle></ds-context-help-toggle>
        <ds-themed-auth-nav-menu></ds-themed-auth-nav-menu>
        <ds-impersonate-navbar></ds-impersonate-navbar>
-        <div class="pl-2">
-          <button class="navbar-toggler" type="button" (click)="toggleNavbar()"
+        <div *ngIf="isXsOrSm$ | async" class="pl-2">
+          <button class="navbar-toggler px-0" type="button" (click)="toggleNavbar()"
                  aria-controls="collapsingNav"
                  aria-expanded="false" [attr.aria-label]="'nav.toggle' | translate">
            <span class="navbar-toggler-icon fas fa-bars fa-fw" aria-hidden="true"></span>
--- a/src/app/header/header.component.scss
+++ b/src/app/header/header.component.scss
@@ -20,3 +20,8 @@
  }
 }

+.navbar {
+  display: flex;
+  gap: calc(var(--bs-spacer) / 3);
+  align-items: center;
+}
--- a/src/app/header/header.component.spec.ts
+++ b/src/app/header/header.component.spec.ts
@@ -10,6 +10,8 @@ import { NoopAnimationsModule } from '@angular/platform-browser/animations';
 import { NO_ERRORS_SCHEMA } from '@angular/core';
 import { MenuService } from '../shared/menu/menu.service';
 import { MenuServiceStub } from '../shared/testing/menu-service.stub';
+import { HostWindowService } from '../shared/host-window.service';
+import { HostWindowServiceStub } from '../shared/testing/host-window-service.stub';

 let comp: HeaderComponent;
 let fixture: ComponentFixture<HeaderComponent>;
@@ -26,6 +28,7 @@ describe('HeaderComponent', () => {
        ReactiveFormsModule],
      declarations: [HeaderComponent],
      providers: [
+        { provide: HostWindowService, useValue: new HostWindowServiceStub(0) },
        { provide: MenuService, useValue: menuService }
      ],
      schemas: [NO_ERRORS_SCHEMA]
@@ -40,7 +43,7 @@ describe('HeaderComponent', () => {
    fixture = TestBed.createComponent(HeaderComponent);

    comp = fixture.componentInstance;
-
+    fixture.detectChanges();
  });

  describe('when the toggle button is clicked', () => {
--- a/src/app/header/header.component.ts
+++ b/src/app/header/header.component.ts
@@ -1,7 +1,8 @@
-import { Component } from '@angular/core';
+import { Component, OnInit } from '@angular/core';
 import { Observable } from 'rxjs';
 import { MenuService } from '../shared/menu/menu.service';
 import { MenuID } from '../shared/menu/menu-id.model';
+import { HostWindowService } from '../shared/host-window.service';

 /**
 * Represents the header with the logo and simple navigation
@@ -11,20 +12,25 @@ import { MenuID } from '../shared/menu/menu-id.model';
  styleUrls: ['header.component.scss'],
  templateUrl: 'header.component.html',
 })
-export class HeaderComponent {
+export class HeaderComponent implements OnInit {
  /**
   * Whether user is authenticated.
   * @type {Observable<string>}
   */
  public isAuthenticated: Observable<boolean>;
-  public showAuth = false;
+  public isXsOrSm$: Observable<boolean>;
  menuID = MenuID.PUBLIC;

  constructor(
-    private menuService: MenuService
+    protected menuService: MenuService,
+    protected windowService: HostWindowService,
  ) {
  }

+  ngOnInit(): void {
+    this.isXsOrSm$ = this.windowService.isXsOrSm();
+  }
+
  public toggleNavbar(): void {
    this.menuService.toggleMenu(this.menuID);
  }
--- a/src/app/health-page/health-panel/health-component/health-component.component.ts
+++ b/src/app/health-page/health-panel/health-component/health-component.component.ts
@@ -3,7 +3,7 @@ import { Component, Input } from '@angular/core';
 import { TranslateService } from '@ngx-translate/core';

 import { HealthComponent } from '../../models/health-component.model';
-import { AlertType } from '../../../shared/alert/aletr-type';
+import { AlertType } from '../../../shared/alert/alert-type';

 /**
 * A component to render a "health component" object.
--- a/src/app/item-page/alerts/item-alerts.component.ts
+++ b/src/app/item-page/alerts/item-alerts.component.ts
@@ -1,6 +1,6 @@
 import { Component, Input } from '@angular/core';
 import { Item } from '../../core/shared/item.model';
-import { AlertType } from '../../shared/alert/aletr-type';
+import { AlertType } from '../../shared/alert/alert-type';

@Component({
  selector: 'ds-item-alerts',
--- a/src/app/item-page/edit-item-page/item-bitstreams/item-edit-bitstream/item-edit-bitstream.component.html
+++ b/src/app/item-page/edit-item-page/item-bitstreams/item-edit-bitstream/item-edit-bitstream.component.html
@@ -25,7 +25,7 @@
  <div class="{{columnSizes.columns[3].buildClasses()}} row-element d-flex align-items-center">
    <div class="text-center w-100">
      <div class="btn-group relationship-action-buttons">
-        <a *ngIf="bitstreamDownloadUrl != null" [href]="bitstreamDownloadUrl"
+        <a *ngIf="bitstreamDownloadUrl != null" [routerLink]="bitstreamDownloadUrl"
                class="btn btn-outline-primary btn-sm"
                title="{{'item.edit.bitstreams.edit.buttons.download' | translate}}"
                [attr.data-test]="'download-button' | dsBrowserOnly">
--- a/src/app/item-page/edit-item-page/item-bitstreams/item-edit-bitstream/item-edit-bitstream.component.spec.ts
+++ b/src/app/item-page/edit-item-page/item-bitstreams/item-edit-bitstream/item-edit-bitstream.component.spec.ts
@@ -13,6 +13,7 @@ import { createSuccessfulRemoteDataObject$ } from '../../../../shared/remote-dat
 import { getBitstreamDownloadRoute } from '../../../../app-routing-paths';
 import { By } from '@angular/platform-browser';
 import { BrowserOnlyMockPipe } from '../../../../shared/testing/browser-only-mock.pipe';
+import { RouterTestingModule } from '@angular/router/testing';

 let comp: ItemEditBitstreamComponent;
 let fixture: ComponentFixture<ItemEditBitstreamComponent>;
@@ -72,7 +73,10 @@ describe('ItemEditBitstreamComponent', () => {
    );

    TestBed.configureTestingModule({
-      imports: [TranslateModule.forRoot()],
+      imports: [
+        RouterTestingModule.withRoutes([]),
+        TranslateModule.forRoot(),
+      ],
      declarations: [
        ItemEditBitstreamComponent,
        VarDirective,
--- a/src/app/item-page/edit-item-page/item-version-history/item-version-history.component.ts
+++ b/src/app/item-page/edit-item-page/item-version-history/item-version-history.component.ts
@@ -5,7 +5,7 @@ import { Item } from '../../../core/shared/item.model';
 import { map } from 'rxjs/operators';
 import { getFirstSucceededRemoteData } from '../../../core/shared/operators';
 import { ActivatedRoute } from '@angular/router';
-import { AlertType } from '../../../shared/alert/aletr-type';
+import { AlertType } from '../../../shared/alert/alert-type';

@Component({
  selector: 'ds-item-version-history',
--- a/src/app/item-page/orcid-page/orcid-queue/orcid-queue.component.ts
+++ b/src/app/item-page/orcid-page/orcid-queue/orcid-queue.component.ts
@@ -15,7 +15,7 @@ import { getFirstCompletedRemoteData } from '../../../core/shared/operators';
 import { hasValue } from '../../../shared/empty.util';
 import { NotificationsService } from '../../../shared/notifications/notifications.service';
 import { PaginationComponentOptions } from '../../../shared/pagination/pagination-component-options.model';
-import { AlertType } from '../../../shared/alert/aletr-type';
+import { AlertType } from '../../../shared/alert/alert-type';
 import { Item } from '../../../core/shared/item.model';
 import { OrcidAuthService } from '../../../core/orcid/orcid-auth.service';

--- a/src/app/item-page/simple/field-components/specific-field/title/item-page-title-field.component.html
+++ b/src/app/item-page/simple/field-components/specific-field/title/item-page-title-field.component.html
@@ -1,6 +1,6 @@
-<h2 class="item-page-title-field">
+<h1 class="item-page-title-field">
  <div *ngIf="item.firstMetadataValue('dspace.entity.type') as type" class="d-inline">
    {{ type.toLowerCase() + '.page.titleprefix' | translate }}
  </div>
  <span class="dont-break-out">{{ dsoNameService.getName(item) }}</span>
-</h2>
+</h1>
--- a/src/app/item-page/simple/item-types/shared/item-relationships-utils.ts
+++ b/src/app/item-page/simple/item-types/shared/item-relationships-utils.ts
@@ -5,8 +5,7 @@ import { RemoteData } from '../../../../core/data/remote-data';
 import { Relationship } from '../../../../core/shared/item-relationships/relationship.model';
 import { Item } from '../../../../core/shared/item.model';
 import {
-  getFirstSucceededRemoteDataPayload,
-  getFirstSucceededRemoteData
+  getFirstCompletedRemoteData
 } from '../../../../core/shared/operators';
 import { hasValue } from '../../../../shared/empty.util';
 import { InjectionToken } from '@angular/core';
@@ -77,24 +76,42 @@ export const relationsToItems = (thisId: string) =>
 * @param {string} thisId       The item's id of which the relations belong to
 * @returns {(source: Observable<Relationship[]>) => Observable<Item[]>}
 */
-export const paginatedRelationsToItems = (thisId: string) =>
-  (source: Observable<RemoteData<PaginatedList<Relationship>>>): Observable<RemoteData<PaginatedList<Item>>> =>
+export const paginatedRelationsToItems = (thisId: string) => (source: Observable<RemoteData<PaginatedList<Relationship>>>): Observable<RemoteData<PaginatedList<Item>>> =>
    source.pipe(
-      getFirstSucceededRemoteData(),
+      getFirstCompletedRemoteData(),
      switchMap((relationshipsRD: RemoteData<PaginatedList<Relationship>>) => {
        return observableCombineLatest(
          relationshipsRD.payload.page.map((rel: Relationship) =>
            observableCombineLatest([
-              rel.leftItem.pipe(getFirstSucceededRemoteDataPayload()),
-              rel.rightItem.pipe(getFirstSucceededRemoteDataPayload())]
+              rel.leftItem.pipe(
+                getFirstCompletedRemoteData(),
+                map((rd: RemoteData<Item>) => {
+                  if (rd.hasSucceeded) {
+                    return rd.payload;
+                  } else {
+                    return null;
+                  }
+                })
+              ),
+              rel.rightItem.pipe(
+                getFirstCompletedRemoteData(),
+                map((rd: RemoteData<Item>) => {
+                  if (rd.hasSucceeded) {
+                    return rd.payload;
+                  } else {
+                    return null;
+                  }
+                })
+              ),
+              ]
            )
-          )).pipe(
+          )
+        ).pipe(
          map((arr) =>
-            arr
-              .map(([leftItem, rightItem]) => {
-                if (leftItem.id === thisId) {
+            arr.map(([leftItem, rightItem]) => {
+                if (hasValue(leftItem) && leftItem.id === thisId) {
                  return rightItem;
-                } else if (rightItem.id === thisId) {
+                } else if (hasValue(rightItem) && rightItem.id === thisId) {
                  return leftItem;
                }
              })
--- a/src/app/item-page/simple/related-entities/related-entities-search/related-entities-search.component.html
+++ b/src/app/item-page/simple/related-entities/related-entities-search/related-entities-search.component.html
@@ -2,5 +2,6 @@
  [fixedFilterQuery]="fixedFilter"
  [configuration]="configuration"
  [searchEnabled]="searchEnabled"
-  [sideBarWidth]="sideBarWidth">
+  [sideBarWidth]="sideBarWidth"
+  [showCsvExport]="true">
 </ds-configuration-search-page>
--- a/src/app/item-page/versions/item-versions.component.ts
+++ b/src/app/item-page/versions/item-versions.component.ts
@@ -23,7 +23,7 @@ import { PaginatedList } from '../../core/data/paginated-list.model';
 import { PaginationComponentOptions } from '../../shared/pagination/pagination-component-options.model';
 import { VersionHistoryDataService } from '../../core/data/version-history-data.service';
 import { PaginatedSearchOptions } from '../../shared/search/models/paginated-search-options.model';
-import { AlertType } from '../../shared/alert/aletr-type';
+import { AlertType } from '../../shared/alert/alert-type';
 import { followLink } from '../../shared/utils/follow-link-config.model';
 import { hasValue, hasValueOperator } from '../../shared/empty.util';
 import { PaginationService } from '../../core/pagination/pagination.service';
--- a/src/app/item-page/versions/notice/item-versions-notice.component.ts
+++ b/src/app/item-page/versions/notice/item-versions-notice.component.ts
@@ -12,7 +12,7 @@ import {
 } from '../../../core/shared/operators';
 import { map, startWith, switchMap } from 'rxjs/operators';
 import { VersionHistoryDataService } from '../../../core/data/version-history-data.service';
-import { AlertType } from '../../../shared/alert/aletr-type';
+import { AlertType } from '../../../shared/alert/alert-type';
 import { getItemPageRoute } from '../../item-page-routing-paths';

@Component({
--- a/src/app/navbar/expandable-navbar-section/expandable-navbar-section.component.html
+++ b/src/app/navbar/expandable-navbar-section/expandable-navbar-section.component.html
@@ -14,9 +14,9 @@
    </a>
    <ul @slide *ngIf="(active | async)" (click)="deactivateSection($event)"
        class="m-0 shadow-none border-top-0 dropdown-menu show">
-        <ng-container *ngFor="let subSection of (subSections$ | async)">
+        <li *ngFor="let subSection of (subSections$ | async)">
            <ng-container
                    *ngComponentOutlet="(sectionMap$ | async).get(subSection.id).component; injector: (sectionMap$ | async).get(subSection.id).injector;"></ng-container>
-        </ng-container>
+        </li>
    </ul>
 </div>
--- a/src/app/navbar/expandable-navbar-section/expandable-navbar-section.component.ts
+++ b/src/app/navbar/expandable-navbar-section/expandable-navbar-section.component.ts
@@ -4,7 +4,6 @@ import { MenuService } from '../../shared/menu/menu.service';
 import { slide } from '../../shared/animations/slide';
 import { first } from 'rxjs/operators';
 import { HostWindowService } from '../../shared/host-window.service';
-import { rendersSectionForMenu } from '../../shared/menu/menu-section.decorator';
 import { MenuID } from '../../shared/menu/menu-id.model';

 /**
@@ -16,7 +15,6 @@ import { MenuID } from '../../shared/menu/menu-id.model';
  styleUrls: ['./expandable-navbar-section.component.scss'],
  animations: [slide]
 })
-@rendersSectionForMenu(MenuID.PUBLIC, true)
 export class ExpandableNavbarSectionComponent extends NavbarSectionComponent implements OnInit {
  /**
   * This section resides in the Public Navbar
--- a/src/app/navbar/expandable-navbar-section/themed-expandable-navbar-section.component.ts
+++ b/src/app/navbar/expandable-navbar-section/themed-expandable-navbar-section.component.ts
@@ -8,8 +8,7 @@ import { MenuID } from '../../shared/menu/menu-id.model';
 * Themed wrapper for ExpandableNavbarSectionComponent
 */
@Component({
-  /* eslint-disable @angular-eslint/component-selector */
-  selector: 'li[ds-themed-expandable-navbar-section]',
+  selector: 'ds-themed-expandable-navbar-section',
  styleUrls: [],
  templateUrl: '../../shared/theme-support/themed.component.html',
 })
--- a/src/app/navbar/navbar-section/navbar-section.component.ts
+++ b/src/app/navbar/navbar-section/navbar-section.component.ts
@@ -8,8 +8,7 @@ import { MenuID } from '../../shared/menu/menu-id.model';
 * Represents a non-expandable section in the navbar
 */
@Component({
-  /* eslint-disable @angular-eslint/component-selector */
-  selector: 'li[ds-navbar-section]',
+  selector: 'ds-navbar-section',
  templateUrl: './navbar-section.component.html',
  styleUrls: ['./navbar-section.component.scss']
 })
--- a/src/app/navbar/navbar.component.html
+++ b/src/app/navbar/navbar.component.html
@@ -8,9 +8,9 @@
                    <li *ngIf="(isXsOrSm$ | async) && (isAuthenticated$ | async)">
                        <ds-themed-user-menu [inExpandableNavbar]="true"></ds-themed-user-menu>
                    </li>
-                    <ng-container *ngFor="let section of (sections | async)">
+                    <li *ngFor="let section of (sections | async)">
                        <ng-container *ngComponentOutlet="(sectionMap$ | async).get(section.id)?.component; injector: (sectionMap$ | async).get(section.id)?.injector;"></ng-container>
-                    </ng-container>
+                    </li>
                </ul>
            </div>
        </div>
--- a/src/app/process-page/detail/process-detail.component.spec.ts
+++ b/src/app/process-page/detail/process-detail.component.spec.ts
@@ -147,7 +147,7 @@ describe('ProcessDetailComponent', () => {
      providers: [
        {
          provide: ActivatedRoute,
-          useValue: { data: observableOf({ process: createSuccessfulRemoteDataObject(process) }) }
+          useValue: { data: observableOf({ process: createSuccessfulRemoteDataObject(process) }), snapshot: { params: { id: 1 } } },
        },
        { provide: ProcessDataService, useValue: processService },
        { provide: BitstreamDataService, useValue: bitstreamDataService },
@@ -310,10 +310,11 @@ describe('ProcessDetailComponent', () => {
      });

      it('should call refresh method every 5 seconds, until process is completed', fakeAsync(() => {
-        spyOn(component, 'refresh');
-        spyOn(component, 'stopRefreshTimer');
+        spyOn(component, 'refresh').and.callThrough();
+        spyOn(component, 'stopRefreshTimer').and.callThrough();

-        process.processStatus = ProcessStatus.COMPLETED;
+        // start off with a running process in order for the refresh counter starts counting up
+        process.processStatus = ProcessStatus.RUNNING;
        // set findbyId to return a completed process
        (processService.findById as jasmine.Spy).and.returnValue(observableOf(createSuccessfulRemoteDataObject(process)));

@@ -336,6 +337,10 @@ describe('ProcessDetailComponent', () => {
        tick(1001); // 1 second + 1 ms by the setTimeout
        expect(component.refreshCounter$.value).toBe(0); // 1 - 1

+        // set the process to completed right before the counter checks the process
+        process.processStatus = ProcessStatus.COMPLETED;
+        (processService.findById as jasmine.Spy).and.returnValue(observableOf(createSuccessfulRemoteDataObject(process)));
+
        tick(1000); // 1 second

        expect(component.refresh).toHaveBeenCalledTimes(1);
--- a/src/app/process-page/detail/process-detail.component.ts
+++ b/src/app/process-page/detail/process-detail.component.ts
@@ -17,7 +17,7 @@ import {
  getFirstSucceededRemoteDataPayload
 } from '../../core/shared/operators';
 import { URLCombiner } from '../../core/url-combiner/url-combiner';
-import { AlertType } from '../../shared/alert/aletr-type';
+import { AlertType } from '../../shared/alert/alert-type';
 import { hasValue } from '../../shared/empty.util';
 import { ProcessStatus } from '../processes/process-status.model';
 import { Process } from '../processes/process.model';
--- a/src/app/profile-page/profile-page.component.ts
+++ b/src/app/profile-page/profile-page.component.ts
@@ -161,7 +161,7 @@ export class ProfilePageComponent implements OnInit {
        } else {
          this.notificationsService.error(
            this.translate.instant(this.PASSWORD_NOTIFICATIONS_PREFIX + 'error.title'),
-            this.translate.instant(this.PASSWORD_NOTIFICATIONS_PREFIX + 'error.change-failed')
+            this.getPasswordErrorMessage(response)
          );
        }
      });
@@ -199,4 +199,18 @@ export class ProfilePageComponent implements OnInit {
    return this.isResearcherProfileEnabled$.asObservable();
  }

+  /**
+   * Returns an error message from a password validation request with a specific reason or
+   * a default message without specific reason.
+   * @param response from the validation password patch request.
+   */
+  getPasswordErrorMessage(response) {
+    if (response.hasFailed && isNotEmpty(response.errorMessage)) {
+      // Response has a specific error message. Show this message in the error notification.
+      return this.translate.instant(response.errorMessage);
+    }
+    // Show default error message notification.
+    return this.translate.instant(this.PASSWORD_NOTIFICATIONS_PREFIX + 'error.change-failed');
+  }
+
 }
--- a/src/app/register-email-form/register-email-form.component.ts
+++ b/src/app/register-email-form/register-email-form.component.ts
@@ -13,7 +13,7 @@ import {isNotEmpty} from '../shared/empty.util';
 import {BehaviorSubject, combineLatest, Observable, of, switchMap} from 'rxjs';
 import {map, startWith, take} from 'rxjs/operators';
 import {CAPTCHA_NAME, GoogleRecaptchaService} from '../core/google-recaptcha/google-recaptcha.service';
-import {AlertType} from '../shared/alert/aletr-type';
+import {AlertType} from '../shared/alert/alert-type';
 import {KlaroService} from '../shared/cookies/klaro.service';
 import {CookieService} from '../core/services/cookie.service';
 import { Subscription } from 'rxjs';
--- a/src/app/request-copy/email-request-copy/email-request-copy.component.html
+++ b/src/app/request-copy/email-request-copy/email-request-copy.component.html
@@ -13,7 +13,7 @@
  <ng-content></ng-content>
  <div class="d-flex flex-row-reverse">
    <button (click)="submit()"
-            [disabled]="!message || message.length === 0 || !subject || subject.length === 0"
+            [disabled]="!subject || subject.length === 0"
            class="btn btn-primary"
            title="{{'grant-deny-request-copy.email.send' | translate }}">
      <i class="fas fa-envelope"></i> {{'grant-deny-request-copy.email.send' | translate }}
--- a/src/app/search-navbar/search-navbar.component.html
+++ b/src/app/search-navbar/search-navbar.component.html
@@ -1,9 +1,12 @@
 <div id="search-navbar-container" [title]="'nav.search' | translate" (dsClickOutside)="collapse()">
  <div class="d-inline-block position-relative">
-    <form [formGroup]="searchForm" (ngSubmit)="onSubmit(searchForm.value)" autocomplete="on">
+    <form [formGroup]="searchForm" (ngSubmit)="onSubmit(searchForm.value)" autocomplete="on" class="d-flex">
      <input #searchInput [@toggleAnimation]="isExpanded" [attr.aria-label]="('nav.search' | translate)" name="query"
             formControlName="query" type="text" placeholder="{{searchExpanded ? ('nav.search' | translate) : ''}}"
-             class="d-inline-block bg-transparent position-absolute form-control dropdown-menu-right p-1" [attr.data-test]="'header-search-box' | dsBrowserOnly">
+             class="bg-transparent position-absolute form-control dropdown-menu-right pl-1 pr-4"
+             [class.display]="searchExpanded ? 'inline-block' : 'none'"
+             [tabIndex]="searchExpanded ? 0 : -1"
+             [attr.data-test]="'header-search-box' | dsBrowserOnly">
      <button class="submit-icon btn btn-link btn-link-inline" [attr.aria-label]="'nav.search.button' | translate" type="button" (click)="searchExpanded ? onSubmit(searchForm.value) : expand()" [attr.data-test]="'header-search-icon' | dsBrowserOnly">
        <em class="fas fa-search fa-lg fa-fw"></em>
      </button>
--- a/src/app/search-navbar/search-navbar.component.scss
+++ b/src/app/search-navbar/search-navbar.component.scss
@@ -12,6 +12,7 @@ input[type="text"] {
  cursor: pointer;
  position: sticky;
  top: 0;
+  border: 0 !important;

  color: var(--ds-header-icon-color);
  &:hover, &:focus {
--- a/src/app/shared/access-control-form-container/access-control-form-container.component.ts
+++ b/src/app/shared/access-control-form-container/access-control-form-container.component.ts
@@ -15,7 +15,7 @@ import {
 import { BulkAccessConfigDataService } from '../../core/config/bulk-access-config-data.service';
 import { getFirstCompletedRemoteData } from '../../core/shared/operators';
 import { BulkAccessConditionOptions } from '../../core/config/models/bulk-access-condition-options.model';
-import { AlertType } from '../alert/aletr-type';
+import { AlertType } from '../alert/alert-type';
 import {
  createAccessControlInitialFormState
 } from './access-control-form-container-intial-state';
--- a/src/app/shared/alert/alert-type.ts
+++ b/src/app/shared/alert/alert-type.ts
--- a/src/app/shared/alert/alert.component.spec.ts
+++ b/src/app/shared/alert/alert.component.spec.ts
@@ -8,7 +8,7 @@ import { TranslateModule } from '@ngx-translate/core';

 import { AlertComponent } from './alert.component';
 import { createTestComponent } from '../testing/utils.test';
-import { AlertType } from './aletr-type';
+import { AlertType } from './alert-type';

 describe('AlertComponent test suite', () => {

--- a/src/app/shared/alert/alert.component.ts
+++ b/src/app/shared/alert/alert.component.ts
@@ -1,7 +1,7 @@
 import { ChangeDetectorRef, Component, EventEmitter, Input, Output, ViewEncapsulation } from '@angular/core';
 import { trigger } from '@angular/animations';

-import { AlertType } from './aletr-type';
+import { AlertType } from './alert-type';
 import { fadeOutLeave, fadeOutState } from '../animations/fade';

 /**
--- a/src/app/shared/animations/slide.ts
+++ b/src/app/shared/animations/slide.ts
@@ -55,7 +55,7 @@ export const slideSidebarPadding = trigger('slideSidebarPadding', [

 export const expandSearchInput = trigger('toggleAnimation', [
  state('collapsed', style({
-    width: '30px',
+    width: '0',
    opacity: '0'
  })),
  state('expanded', style({
--- a/src/app/shared/auth-nav-menu/auth-nav-menu.component.html
+++ b/src/app/shared/auth-nav-menu/auth-nav-menu.component.html
@@ -2,7 +2,7 @@
  <li *ngIf="!(isAuthenticated | async) && !(isXsOrSm$ | async) && (showAuth | async)" class="nav-item"
      (click)="$event.stopPropagation();">
    <div ngbDropdown #loginDrop display="dynamic" placement="bottom-right" class="d-inline-block" @fadeInOut>
-      <a href="javascript:void(0);" class="dropdownLogin px-1" [attr.aria-label]="'nav.login' |translate"
+      <a href="javascript:void(0);" class="dropdownLogin px-0.5" [attr.aria-label]="'nav.login' |translate"
         (click)="$event.preventDefault()" [attr.data-test]="'login-menu' | dsBrowserOnly"
         ngbDropdownToggle>{{ 'nav.login' | translate }}</a>
      <div class="loginDropdownMenu" [ngClass]="{'pl-3 pr-3': (loading | async)}" ngbDropdownMenu
@@ -13,7 +13,7 @@
    </div>
  </li>
  <li *ngIf="!(isAuthenticated | async) && (isXsOrSm$ | async)" class="nav-item">
-    <a routerLink="/login" routerLinkActive="active" class="loginLink px-1">
+    <a routerLink="/login" routerLinkActive="active" class="loginLink px-0.5">
      {{ 'nav.login' | translate }}<span class="sr-only">(current)</span>
    </a>
  </li>
--- a/src/app/shared/comcol/comcol-forms/comcol-form/comcol-form.component.html
+++ b/src/app/shared/comcol/comcol-forms/comcol-form/comcol-form.component.html
@@ -42,7 +42,7 @@
         [formModel]="formModel"
         [displayCancel]="false"
         (submitForm)="onSubmit()">
-  <button before (click)="back.emit()" class="btn btn-outline-secondary">
+  <button before (click)="back.emit()" class="btn btn-outline-secondary" type="button">
    <i class="fas fa-arrow-left"></i> {{ type.value + '.edit.return' | translate }}
  </button>
 </ds-form>
--- a/src/app/shared/cookies/klaro-configuration.ts
+++ b/src/app/shared/cookies/klaro-configuration.ts
@@ -22,7 +22,7 @@ export const GOOGLE_ANALYTICS_KLARO_KEY = 'google-analytics';
 export const klaroConfiguration: any = {
  storageName: ANONYMOUS_STORAGE_NAME_KLARO,

-  privacyPolicy: '/info/privacy',
+  privacyPolicy: './info/privacy',

  /*
  Setting 'hideLearnMore' to 'true' will hide the "learn more / customize" link in
--- a/src/app/shared/dso-page/dso-edit-menu.resolver.spec.ts
+++ b/src/app/shared/dso-page/dso-edit-menu.resolver.spec.ts
@@ -1,6 +1,6 @@
 import { TestBed, waitForAsync } from '@angular/core/testing';
 import { MenuServiceStub } from '../testing/menu-service.stub';
-import { of as observableOf } from 'rxjs';
+import { combineLatest, map, of as observableOf } from 'rxjs';
 import { TranslateModule, TranslateService } from '@ngx-translate/core';
 import { NoopAnimationsModule } from '@angular/platform-browser/animations';
 import { RouterTestingModule } from '@angular/router/testing';
@@ -16,10 +16,13 @@ import { Item } from '../../core/shared/item.model';
 import { createFailedRemoteDataObject$, createSuccessfulRemoteDataObject$ } from '../remote-data.utils';
 import { MenuID } from '../menu/menu-id.model';
 import { MenuItemType } from '../menu/menu-item-type.model';
-import { TextMenuItemModel } from '../menu/menu-item/models/text.model';
 import { LinkMenuItemModel } from '../menu/menu-item/models/link.model';
 import { ResearcherProfileDataService } from '../../core/profile/researcher-profile-data.service';
 import { NotificationsService } from '../notifications/notifications.service';
+import { DSpaceObject } from '../../core/shared/dspace-object.model';
+import { Community } from '../../core/shared/community.model';
+import { Collection } from '../../core/shared/collection.model';
+import flatten from 'lodash/flatten';

 describe('DSOEditMenuResolver', () => {

@@ -37,25 +40,44 @@ describe('DSOEditMenuResolver', () => {
  let notificationsService;
  let translate;

-  const route = {
-    data: {
-      menu: {
-        'statistics': [{
-          id: 'statistics-dummy-1',
-          active: false,
-          visible: true,
-          model: null
-        }]
-      }
-    },
-    params: {id: 'test-uuid'},
+  const dsoRoute = (dso: DSpaceObject) => {
+    return {
+      data: {
+        menu: {
+          'statistics': [{
+            id: 'statistics-dummy-1',
+            active: false,
+            visible: true,
+            model: null
+          }]
+        }
+      },
+      params: {id: dso.uuid},
+    };
  };

  const state = {
    url: 'test-url'
  };

-  const testObject = Object.assign(new Item(), {uuid: 'test-uuid', type: 'item', _links: {self: {href: 'self-link'}}});
+  const testCommunity: Community = Object.assign(new Community(), {
+    uuid: 'test-community-uuid',
+    type: 'community',
+    _links: {self: {href: 'self-link'}},
+  });
+  const testCollection: Collection = Object.assign(new Collection(), {
+    uuid: 'test-collection-uuid',
+    type: 'collection',
+    _links: {self: {href: 'self-link'}},
+  });
+  const testItem: Item = Object.assign(new Item(), {
+    uuid: 'test-item-uuid',
+    type: 'item',
+    _links: {self: {href: 'self-link'}},
+  });
+
+  let testObject: DSpaceObject;
+  let route;

  const dummySections1 = [{
    id: 'dummy-1',
@@ -90,6 +112,10 @@ describe('DSOEditMenuResolver', () => {
    }];

  beforeEach(waitForAsync(() => {
+    // test with Items unless specified otherwise
+    testObject = testItem;
+    route = dsoRoute(testItem);
+
    menuService = new MenuServiceStub();
    spyOn(menuService, 'getMenu').and.returnValue(observableOf(MENU_STATE));

@@ -154,16 +180,17 @@ describe('DSOEditMenuResolver', () => {
          {
            ...route.data.menu,
            [MenuID.DSO_EDIT]: [
-              ...dummySections1.map((menu) => Object.assign(menu, {id: menu.id + '-test-uuid'})),
-              ...dummySections2.map((menu) => Object.assign(menu, {id: menu.id + '-test-uuid'}))
+              ...dummySections1.map((menu) => Object.assign(menu, {id: menu.id + '-test-item-uuid'})),
+              ...dummySections2.map((menu) => Object.assign(menu, {id: menu.id + '-test-item-uuid'}))
            ]
          }
        );
-        expect(dSpaceObjectDataService.findById).toHaveBeenCalledWith('test-uuid', true, false);
+        expect(dSpaceObjectDataService.findById).toHaveBeenCalledWith('test-item-uuid', true, false);
        expect(resolver.getDsoMenus).toHaveBeenCalled();
        done();
      });
    });
+
    it('should create all menus when a dso is found based on the route scope query param when no id param is present', (done) => {
      spyOn(resolver, 'getDsoMenus').and.returnValue(
        [observableOf(dummySections1), observableOf(dummySections2)]
@@ -198,6 +225,7 @@ describe('DSOEditMenuResolver', () => {
        done();
      });
    });
+
    it('should return the statistics menu when no dso is found', (done) => {
      (dSpaceObjectDataService.findById as jasmine.Spy).and.returnValue(createFailedRemoteDataObject$());

@@ -211,49 +239,165 @@ describe('DSOEditMenuResolver', () => {
      });
    });
  });
+
  describe('getDsoMenus', () => {
-    it('should return as first part the item version, orcid and claim list ', (done) => {
-      const result = resolver.getDsoMenus(testObject, route, state);
-      result[0].subscribe((menuList) => {
-        expect(menuList.length).toEqual(3);
-        expect(menuList[0].id).toEqual('orcid-dso');
-        expect(menuList[0].active).toEqual(false);
-        // Visible should be false due to the item not being of type person
-        expect(menuList[0].visible).toEqual(false);
-        expect(menuList[0].model.type).toEqual(MenuItemType.LINK);
-
-        expect(menuList[1].id).toEqual('version-dso');
-        expect(menuList[1].active).toEqual(false);
-        expect(menuList[1].visible).toEqual(true);
-        expect(menuList[1].model.type).toEqual(MenuItemType.ONCLICK);
-        expect((menuList[1].model as TextMenuItemModel).text).toEqual('message');
-        expect(menuList[1].model.disabled).toEqual(false);
-        expect(menuList[1].icon).toEqual('code-branch');
-
-        expect(menuList[2].id).toEqual('claim-dso');
-        expect(menuList[2].active).toEqual(false);
-        // Visible should be false due to the item not being of type person
-        expect(menuList[2].visible).toEqual(false);
-        expect(menuList[2].model.type).toEqual(MenuItemType.ONCLICK);
-        expect((menuList[2].model as TextMenuItemModel).text).toEqual('item.page.claim.button');
-        done();
+    describe('for Communities', () => {
+      beforeEach(() => {
+        testObject = testCommunity;
+        dSpaceObjectDataService.findById.and.returnValue(createSuccessfulRemoteDataObject$(testCommunity));
+        route = dsoRoute(testCommunity);
      });

+      it('should not return Item-specific entries', (done) => {
+        const result = resolver.getDsoMenus(testObject, route, state);
+        combineLatest(result).pipe(map(flatten)).subscribe((menu) => {
+          const orcidEntry = menu.find(entry => entry.id === 'orcid-dso');
+          expect(orcidEntry).toBeFalsy();
+
+          const versionEntry = menu.find(entry => entry.id === 'version-dso');
+          expect(versionEntry).toBeFalsy();
+
+          const claimEntry = menu.find(entry => entry.id === 'claim-dso');
+          expect(claimEntry).toBeFalsy();
+
+          done();
+        });
+      });
+
+      it('should return Community/Collection-specific entries', (done) => {
+        const result = resolver.getDsoMenus(testObject, route, state);
+        combineLatest(result).pipe(map(flatten)).subscribe((menu) => {
+          const subscribeEntry = menu.find(entry => entry.id === 'subscribe');
+          expect(subscribeEntry).toBeTruthy();
+          expect(subscribeEntry.active).toBeFalse();
+          expect(subscribeEntry.visible).toBeTrue();
+          expect(subscribeEntry.model.type).toEqual(MenuItemType.ONCLICK);
+          done();
+        });
+      });
+
+      it('should return as third part the common list ', (done) => {
+        const result = resolver.getDsoMenus(testObject, route, state);
+        combineLatest(result).pipe(map(flatten)).subscribe((menu) => {
+          const editEntry = menu.find(entry => entry.id === 'edit-dso');
+          expect(editEntry).toBeTruthy();
+          expect(editEntry.active).toBeFalse();
+          expect(editEntry.visible).toBeTrue();
+          expect(editEntry.model.type).toEqual(MenuItemType.LINK);
+          expect((editEntry.model as LinkMenuItemModel).link).toEqual(
+            '/communities/test-community-uuid/edit/metadata'
+          );
+          done();
+        });
+      });
    });
-    it('should return as second part the common list ', (done) => {
-      const result = resolver.getDsoMenus(testObject, route, state);
-      result[1].subscribe((menuList) => {
-        expect(menuList.length).toEqual(1);
-        expect(menuList[0].id).toEqual('edit-dso');
-        expect(menuList[0].active).toEqual(false);
-        expect(menuList[0].visible).toEqual(true);
-        expect(menuList[0].model.type).toEqual(MenuItemType.LINK);
-        expect((menuList[0].model as LinkMenuItemModel).text).toEqual('item.page.edit');
-        expect((menuList[0].model as LinkMenuItemModel).link).toEqual('/items/test-uuid/edit/metadata');
-        expect(menuList[0].icon).toEqual('pencil-alt');
-        done();
+
+    describe('for Collections', () => {
+      beforeEach(() => {
+        testObject = testCollection;
+        dSpaceObjectDataService.findById.and.returnValue(createSuccessfulRemoteDataObject$(testCollection));
+        route = dsoRoute(testCollection);
      });

+      it('should not return Item-specific entries', (done) => {
+        const result = resolver.getDsoMenus(testObject, route, state);
+        combineLatest(result).pipe(map(flatten)).subscribe((menu) => {
+          const orcidEntry = menu.find(entry => entry.id === 'orcid-dso');
+          expect(orcidEntry).toBeFalsy();
+
+          const versionEntry = menu.find(entry => entry.id === 'version-dso');
+          expect(versionEntry).toBeFalsy();
+
+          const claimEntry = menu.find(entry => entry.id === 'claim-dso');
+          expect(claimEntry).toBeFalsy();
+
+          done();
+        });
+      });
+
+      it('should return Community/Collection-specific entries', (done) => {
+        const result = resolver.getDsoMenus(testObject, route, state);
+        combineLatest(result).pipe(map(flatten)).subscribe((menu) => {
+          const subscribeEntry = menu.find(entry => entry.id === 'subscribe');
+          expect(subscribeEntry).toBeTruthy();
+          expect(subscribeEntry.active).toBeFalse();
+          expect(subscribeEntry.visible).toBeTrue();
+          expect(subscribeEntry.model.type).toEqual(MenuItemType.ONCLICK);
+          done();
+        });
+      });
+
+      it('should return as third part the common list ', (done) => {
+        const result = resolver.getDsoMenus(testObject, route, state);
+        combineLatest(result).pipe(map(flatten)).subscribe((menu) => {
+          const editEntry = menu.find(entry => entry.id === 'edit-dso');
+          expect(editEntry).toBeTruthy();
+          expect(editEntry.active).toBeFalse();
+          expect(editEntry.visible).toBeTrue();
+          expect(editEntry.model.type).toEqual(MenuItemType.LINK);
+          expect((editEntry.model as LinkMenuItemModel).link).toEqual(
+            '/collections/test-collection-uuid/edit/metadata'
+          );
+          done();
+        });
+      });
+    });
+
+    describe('for Items', () => {
+      beforeEach(() => {
+        testObject = testItem;
+        dSpaceObjectDataService.findById.and.returnValue(createSuccessfulRemoteDataObject$(testItem));
+        route = dsoRoute(testItem);
+      });
+
+      it('should return Item-specific entries', (done) => {
+        const result = resolver.getDsoMenus(testObject, route, state);
+        combineLatest(result).pipe(map(flatten)).subscribe((menu) => {
+          const orcidEntry = menu.find(entry => entry.id === 'orcid-dso');
+          expect(orcidEntry).toBeTruthy();
+          expect(orcidEntry.active).toBeFalse();
+          expect(orcidEntry.visible).toBeFalse();
+          expect(orcidEntry.model.type).toEqual(MenuItemType.LINK);
+
+          const versionEntry = menu.find(entry => entry.id === 'version-dso');
+          expect(versionEntry).toBeTruthy();
+          expect(versionEntry.active).toBeFalse();
+          expect(versionEntry.visible).toBeTrue();
+          expect(versionEntry.model.type).toEqual(MenuItemType.ONCLICK);
+          expect(versionEntry.model.disabled).toBeFalse();
+
+          const claimEntry = menu.find(entry => entry.id === 'claim-dso');
+          expect(claimEntry).toBeTruthy();
+          expect(claimEntry.active).toBeFalse();
+          expect(claimEntry.visible).toBeFalse();
+          expect(claimEntry.model.type).toEqual(MenuItemType.ONCLICK);
+          done();
+        });
+      });
+
+      it('should not return Community/Collection-specific entries', (done) => {
+        const result = resolver.getDsoMenus(testObject, route, state);
+        combineLatest(result).pipe(map(flatten)).subscribe((menu) => {
+          const subscribeEntry = menu.find(entry => entry.id === 'subscribe');
+          expect(subscribeEntry).toBeFalsy();
+          done();
+        });
+      });
+
+      it('should return as third part the common list ', (done) => {
+        const result = resolver.getDsoMenus(testObject, route, state);
+        combineLatest(result).pipe(map(flatten)).subscribe((menu) => {
+          const editEntry = menu.find(entry => entry.id === 'edit-dso');
+          expect(editEntry).toBeTruthy();
+          expect(editEntry.active).toBeFalse();
+          expect(editEntry.visible).toBeTrue();
+          expect(editEntry.model.type).toEqual(MenuItemType.LINK);
+          expect((editEntry.model as LinkMenuItemModel).link).toEqual(
+            '/items/test-item-uuid/edit/metadata'
+          );
+          done();
+        });
+      });
    });
  });
 });
--- a/src/app/shared/dso-page/dso-edit-menu.resolver.ts
+++ b/src/app/shared/dso-page/dso-edit-menu.resolver.ts
@@ -21,6 +21,9 @@ import { getDSORoute } from '../../app-routing-paths';
 import { ResearcherProfileDataService } from '../../core/profile/researcher-profile-data.service';
 import { NotificationsService } from '../notifications/notifications.service';
 import { TranslateService } from '@ngx-translate/core';
+import { SubscriptionModalComponent } from '../subscriptions/subscription-modal/subscription-modal.component';
+import { Community } from '../../core/shared/community.model';
+import { Collection } from '../../core/shared/collection.model';

 /**
 * Creates the menus for the dspace object pages
@@ -84,6 +87,7 @@ export class DSOEditMenuResolver implements Resolve<{ [key: string]: MenuSection
  getDsoMenus(dso, route, state): Observable<MenuSection[]>[] {
    return [
      this.getItemMenu(dso),
+      this.getComColMenu(dso),
      this.getCommonMenu(dso, state)
    ];
  }
@@ -178,6 +182,39 @@ export class DSOEditMenuResolver implements Resolve<{ [key: string]: MenuSection
    }
  }

+  /**
+   * Get Community/Collection-specific menus
+   */
+  protected getComColMenu(dso): Observable<MenuSection[]> {
+    if (dso instanceof Community || dso instanceof Collection) {
+      return combineLatest([
+        this.authorizationService.isAuthorized(FeatureID.CanSubscribe, dso.self),
+      ]).pipe(
+        map(([canSubscribe]) => {
+          return [
+            {
+              id: 'subscribe',
+              active: false,
+              visible: canSubscribe,
+              model: {
+                type: MenuItemType.ONCLICK,
+                text: 'subscriptions.tooltip',
+                function: () => {
+                  const modalRef = this.modalService.open(SubscriptionModalComponent);
+                  modalRef.componentInstance.dso = dso;
+                }
+              } as OnClickMenuItemModel,
+              icon: 'bell',
+              index: 4
+            },
+          ];
+        })
+      );
+    } else {
+      return observableOf([]);
+    }
+  }
+
  /**
   * Claim a researcher by creating a profile
   * Shows notifications and/or hides the menu section on success/error
--- a/src/app/shared/dso-page/dso-edit-menu/dso-edit-expandable-menu-section/dso-edit-menu-expandable-section.component.ts
+++ b/src/app/shared/dso-page/dso-edit-menu/dso-edit-expandable-menu-section/dso-edit-menu-expandable-section.component.ts
@@ -13,7 +13,6 @@ import { hasValue } from '../../../empty.util';
 * Represents an expandable section in the dso edit menus
 */
@Component({
-  /* tslint:disable:component-selector */
  selector: 'ds-dso-edit-menu-expandable-section',
  templateUrl: './dso-edit-menu-expandable-section.component.html',
  styleUrls: ['./dso-edit-menu-expandable-section.component.scss'],
--- a/src/app/shared/dso-page/dso-edit-menu/dso-edit-menu-section/dso-edit-menu-section.component.ts
+++ b/src/app/shared/dso-page/dso-edit-menu/dso-edit-menu-section/dso-edit-menu-section.component.ts
@@ -10,7 +10,6 @@ import { MenuSection } from '../../../menu/menu-section.model';
 * Represents a non-expandable section in the dso edit menus
 */
@Component({
-  /* tslint:disable:component-selector */
  selector: 'ds-dso-edit-menu-section',
  templateUrl: './dso-edit-menu-section.component.html',
  styleUrls: ['./dso-edit-menu-section.component.scss']
--- a/src/app/shared/dso-page/dso-page-subscription-button/dso-page-subscription-button.component.html
+++ b/src/app/shared/dso-page/dso-page-subscription-button/dso-page-subscription-button.component.html
@@ -1,8 +0,0 @@
-<button *ngIf="isAuthorized$ | async" data-test="subscription-button"
-        (click)="openSubscriptionModal()"
-        [ngbTooltip]="'subscriptions.tooltip' | translate"
-        [title]="'subscriptions.tooltip' | translate"
-        [attr.aria-label]="'subscriptions.tooltip' | translate"
-        class="subscription-button btn btn-dark btn-sm">
-  <i class="fas fa-bell fa-fw"></i>
-</button>
--- a/src/app/shared/dso-page/dso-page-subscription-button/dso-page-subscription-button.component.spec.ts
+++ b/src/app/shared/dso-page/dso-page-subscription-button/dso-page-subscription-button.component.spec.ts
@@ -1,83 +0,0 @@
-import { ComponentFixture, TestBed } from '@angular/core/testing';
-
-import { DsoPageSubscriptionButtonComponent } from './dso-page-subscription-button.component';
-import { AuthorizationDataService } from '../../../core/data/feature-authorization/authorization-data.service';
-import { of as observableOf } from 'rxjs';
-import { NgbModalModule } from '@ng-bootstrap/ng-bootstrap';
-import { By } from '@angular/platform-browser';
-import { DebugElement } from '@angular/core';
-import { Item } from '../../../core/shared/item.model';
-import { ITEM } from '../../../core/shared/item.resource-type';
-import { TranslateLoader, TranslateModule } from '@ngx-translate/core';
-import { TranslateLoaderMock } from '../../mocks/translate-loader.mock';
-
-describe('DsoPageSubscriptionButtonComponent', () => {
-  let component: DsoPageSubscriptionButtonComponent;
-  let fixture: ComponentFixture<DsoPageSubscriptionButtonComponent>;
-  let de: DebugElement;
-
-  const authorizationService = jasmine.createSpyObj('authorizationService', {
-    isAuthorized: jasmine.createSpy('isAuthorized') // observableOf(true)
-  });
-
-  const mockItem = Object.assign(new Item(), {
-    id: 'fake-id',
-    uuid: 'fake-id',
-    handle: 'fake/handle',
-    lastModified: '2018',
-    type: ITEM,
-    _links: {
-      self: {
-        href: 'https://localhost:8000/items/fake-id'
-      }
-    }
-  });
-
-  beforeEach(async () => {
-    await TestBed.configureTestingModule({
-      imports: [
-        NgbModalModule,
-        TranslateModule.forRoot({
-          loader: {
-            provide: TranslateLoader,
-            useClass: TranslateLoaderMock
-          }
-        })
-      ],
-      declarations: [ DsoPageSubscriptionButtonComponent ],
-      providers: [
-        { provide: AuthorizationDataService, useValue: authorizationService },
-      ]
-    })
-    .compileComponents();
-  });
-
-  beforeEach(() => {
-    fixture = TestBed.createComponent(DsoPageSubscriptionButtonComponent);
-    component = fixture.componentInstance;
-    de = fixture.debugElement;
-    component.dso = mockItem;
-  });
-
-  describe('when is authorized', () => {
-    beforeEach(() => {
-      authorizationService.isAuthorized.and.returnValue(observableOf(true));
-      fixture.detectChanges();
-    });
-
-    it('should display subscription button', () => {
-      expect(de.query(By.css(' [data-test="subscription-button"]'))).toBeTruthy();
-    });
-  });
-
-  describe('when is not authorized', () => {
-    beforeEach(() => {
-      authorizationService.isAuthorized.and.returnValue(observableOf(false));
-      fixture.detectChanges();
-    });
-
-    it('should not display subscription button', () => {
-      expect(de.query(By.css(' [data-test="subscription-button"]'))).toBeNull();
-    });
-  });
-});
--- a/src/app/shared/dso-page/dso-page-subscription-button/dso-page-subscription-button.component.ts
+++ b/src/app/shared/dso-page/dso-page-subscription-button/dso-page-subscription-button.component.ts
@@ -1,57 +0,0 @@
-import { Component, Input, OnInit } from '@angular/core';
-
-import { Observable, of } from 'rxjs';
-import { NgbModal, NgbModalRef } from '@ng-bootstrap/ng-bootstrap';
-
-import { DSpaceObject } from '../../../core/shared/dspace-object.model';
-import { AuthorizationDataService } from '../../../core/data/feature-authorization/authorization-data.service';
-import { SubscriptionModalComponent } from '../../subscriptions/subscription-modal/subscription-modal.component';
-import { FeatureID } from '../../../core/data/feature-authorization/feature-id';
-
-@Component({
-  selector: 'ds-dso-page-subscription-button',
-  templateUrl: './dso-page-subscription-button.component.html',
-  styleUrls: ['./dso-page-subscription-button.component.scss']
-})
-/**
- * Display a button that opens the modal to manage subscriptions
- */
-export class DsoPageSubscriptionButtonComponent implements OnInit {
-
-  /**
-   * Whether the current user is authorized to edit the DSpaceObject
-   */
-  isAuthorized$: Observable<boolean> = of(false);
-
-  /**
-   * Reference to NgbModal
-   */
-  public modalRef: NgbModalRef;
-
-  /**
-   * DSpaceObject that is being viewed
-   */
-  @Input() dso: DSpaceObject;
-
-  constructor(
-    protected authorizationService: AuthorizationDataService,
-    private modalService: NgbModal,
-  ) {
-  }
-
-  /**
-   * check if the current DSpaceObject can be subscribed by the user
-   */
-  ngOnInit(): void {
-    this.isAuthorized$ = this.authorizationService.isAuthorized(FeatureID.CanSubscribe, this.dso.self);
-  }
-
-  /**
-   * Open the modal to subscribe to the related DSpaceObject
-   */
-  public openSubscriptionModal() {
-    this.modalRef = this.modalService.open(SubscriptionModalComponent);
-    this.modalRef.componentInstance.dso = this.dso;
-  }
-
-}
--- a/src/app/shared/error/error.component.ts
+++ b/src/app/shared/error/error.component.ts
@@ -3,7 +3,7 @@ import { Component, Input } from '@angular/core';
 import { TranslateService } from '@ngx-translate/core';

 import { Subscription } from 'rxjs';
-import { AlertType } from '../alert/aletr-type';
+import { AlertType } from '../alert/alert-type';

@Component({
  selector: 'ds-error',
--- a/Show More
+++ b/Show More