diff --git a/app/assets/javascripts/editor/editor_lite.js b/app/assets/javascripts/editor/editor_lite.js
index 136a232d9d0e451dcd6f45c5a28d750f1e098b1a..bbd5461ae4d195d2dd544a0ad3531972dc0b6f82 100644
--- a/app/assets/javascripts/editor/editor_lite.js
+++ b/app/assets/javascripts/editor/editor_lite.js
@@ -9,11 +9,7 @@ import { EDITOR_LITE_INSTANCE_ERROR_NO_EL, URI_PREFIX } from './constants';
 
 export default class Editor {
   constructor(options = {}) {
-    this.editorEl = null;
-    this.blobContent = '';
-    this.blobPath = '';
     this.instances = [];
-    this.model = null;
     this.options = {
       extraEditorClassName: 'gl-editor-lite',
       ...defaultEditorOptions,
@@ -32,6 +28,17 @@ export default class Editor {
     monacoEditor.setTheme(theme ? themeName : DEFAULT_THEME);
   }
 
+  static updateModelLanguage(path, instance) {
+    if (!instance) return;
+    const model = instance.getModel();
+    const ext = `.${path.split('.').pop()}`;
+    const language = monacoLanguages
+      .getLanguages()
+      .find(lang => lang.extensions.indexOf(ext) !== -1);
+    const id = language ? language.id : 'plaintext';
+    monacoEditor.setModelLanguage(model, id);
+  }
+
   /**
    * Creates a monaco instance with the given options.
    *
@@ -51,19 +58,18 @@ export default class Editor {
     if (!el) {
       throw new Error(EDITOR_LITE_INSTANCE_ERROR_NO_EL);
     }
-    this.editorEl = el;
-    this.blobContent = blobContent;
-    this.blobPath = blobPath;
 
-    clearDomElement(this.editorEl);
+    clearDomElement(el);
 
     const uriFilePath = joinPaths(URI_PREFIX, blobGlobalId, blobPath);
 
-    const model = monacoEditor.createModel(this.blobContent, undefined, Uri.file(uriFilePath));
+    const model = monacoEditor.createModel(blobContent, undefined, Uri.file(uriFilePath));
 
-    monacoEditor.onDidCreateEditor(this.renderEditor.bind(this));
+    monacoEditor.onDidCreateEditor(() => {
+      delete el.dataset.editorLoading;
+    });
 
-    const instance = monacoEditor.create(this.editorEl, {
+    const instance = monacoEditor.create(el, {
       ...this.options,
       ...instanceOptions,
     });
@@ -73,13 +79,7 @@ export default class Editor {
       this.instances.splice(index, 1);
       model.dispose();
     });
-    instance.updateModelLanguage = path => this.updateModelLanguage(path);
-
-    // Reference to the model on the editor level will go away in
-    // https://gitlab.com/gitlab-org/gitlab/-/issues/241023
-    // After that, the references to the model will be routed through
-    // instance exclusively
-    this.model = model;
+    instance.updateModelLanguage = path => Editor.updateModelLanguage(path, instance);
 
     this.instances.push(instance);
     return instance;
@@ -89,21 +89,6 @@ export default class Editor {
     this.instances.forEach(instance => instance.dispose());
   }
 
-  renderEditor() {
-    delete this.editorEl.dataset.editorLoading;
-  }
-
-  updateModelLanguage(path) {
-    if (path === this.blobPath) return;
-    this.blobPath = path;
-    const ext = `.${path.split('.').pop()}`;
-    const language = monacoLanguages
-      .getLanguages()
-      .find(lang => lang.extensions.indexOf(ext) !== -1);
-    const id = language ? language.id : 'plaintext';
-    monacoEditor.setModelLanguage(this.model, id);
-  }
-
   use(exts = [], instance = null) {
     const extensions = Array.isArray(exts) ? exts : [exts];
     if (instance) {
diff --git a/app/assets/javascripts/issue_show/components/description.vue b/app/assets/javascripts/issue_show/components/description.vue
index 4c586f6c3a69eb1bf3fd4e70d29dc684e5713e9c..e4cfde1a9f74ec157f0544344b28f8c1d15b551f 100644
--- a/app/assets/javascripts/issue_show/components/description.vue
+++ b/app/assets/javascripts/issue_show/components/description.vue
@@ -1,6 +1,6 @@
 <script>
-/* eslint-disable vue/no-v-html */
 import $ from 'jquery';
+import { GlSafeHtmlDirective as SafeHtml } from '@gitlab/ui';
 import { s__, sprintf } from '~/locale';
 import { deprecatedCreateFlash as createFlash } from '~/flash';
 import animateMixin from '../mixins/animate';
@@ -8,6 +8,10 @@ import TaskList from '../../task_list';
 import recaptchaModalImplementor from '../../vue_shared/mixins/recaptcha_modal_implementor';
 
 export default {
+  directives: {
+    SafeHtml,
+  },
+
   mixins: [animateMixin, recaptchaModalImplementor],
 
   props: {
@@ -142,12 +146,12 @@ export default {
   >
     <div
       ref="gfm-content"
+      v-safe-html="descriptionHtml"
       :class="{
         'issue-realtime-pre-pulse': preAnimation,
         'issue-realtime-trigger-pulse': pulseAnimation,
       }"
       class="md"
-      v-html="descriptionHtml"
     ></div>
     <textarea
       v-if="descriptionText"
diff --git a/app/assets/javascripts/jobs/components/job_log_controllers.vue b/app/assets/javascripts/jobs/components/job_log_controllers.vue
index 6ec090f0080a2cf73f24715b335526a2e172f0e1..7e7d9a0549b25816ea8e3144db685b24b7e1af33 100644
--- a/app/assets/javascripts/jobs/components/job_log_controllers.vue
+++ b/app/assets/javascripts/jobs/components/job_log_controllers.vue
@@ -1,6 +1,6 @@
 <script>
 /* eslint-disable vue/no-v-html */
-import { GlTooltipDirective, GlLink, GlDeprecatedButton, GlIcon } from '@gitlab/ui';
+import { GlTooltipDirective, GlLink, GlButton } from '@gitlab/ui';
 import { polyfillSticky } from '~/lib/utils/sticky';
 import { numberToHumanSize } from '~/lib/utils/number_utils';
 import { __, sprintf } from '~/locale';
@@ -8,9 +8,8 @@ import scrollDown from '../svg/scroll_down.svg';
 
 export default {
   components: {
-    GlIcon,
     GlLink,
-    GlDeprecatedButton,
+    GlButton,
   },
   directives: {
     GlTooltip: GlTooltipDirective,
@@ -87,18 +86,17 @@ export default {
 
     <div class="controllers float-right">
       <!-- links -->
-      <gl-link
+      <gl-button
         v-if="rawPath"
         v-gl-tooltip.body
         :title="s__('Job|Show complete raw')"
         :href="rawPath"
         class="controllers-buttons"
         data-testid="job-raw-link-controller"
-      >
-        <gl-icon name="doc-text" />
-      </gl-link>
+        icon="doc-text"
+      />
 
-      <gl-link
+      <gl-button
         v-if="erasePath"
         v-gl-tooltip.body
         :title="s__('Job|Erase job log')"
@@ -107,30 +105,28 @@ export default {
         class="controllers-buttons"
         data-testid="job-log-erase-link"
         data-method="post"
-      >
-        <gl-icon name="remove" />
-      </gl-link>
+        icon="remove"
+      />
       <!-- eo links -->
 
       <!-- scroll buttons -->
       <div v-gl-tooltip :title="s__('Job|Scroll to top')" class="controllers-buttons">
-        <gl-deprecated-button
+        <gl-button
           :disabled="isScrollTopDisabled"
-          type="button"
           class="btn-scroll btn-transparent btn-blank"
           data-testid="job-controller-scroll-top"
+          icon="scroll_up"
           @click="handleScrollToTop"
-        >
-          <gl-icon name="scroll_up" />
-        </gl-deprecated-button>
+        />
       </div>
 
       <div v-gl-tooltip :title="s__('Job|Scroll to bottom')" class="controllers-buttons">
-        <gl-deprecated-button
+        <gl-button
           :disabled="isScrollBottomDisabled"
           class="js-scroll-bottom btn-scroll btn-transparent btn-blank"
-          :class="{ animate: isScrollingDown }"
           data-testid="job-controller-scroll-bottom"
+          icon="scroll_down"
+          :class="{ animate: isScrollingDown }"
           @click="handleScrollToBottom"
           v-html="$options.scrollDown"
         />
diff --git a/app/assets/stylesheets/pages/builds.scss b/app/assets/stylesheets/pages/builds.scss
index f367d9ea4d8a8b8d891ba91f3823508b2c6b3ead..d74a2326243ee012e7a72a578b6da7e4dcab62e5 100644
--- a/app/assets/stylesheets/pages/builds.scss
+++ b/app/assets/stylesheets/pages/builds.scss
@@ -63,7 +63,7 @@
   }
 
   .top-bar {
-    @include build-trace-top-bar(35px);
+    @include build-trace-top-bar(50px);
 
     &.has-archived-block {
       top: $header-height + 28px;
diff --git a/doc/user/packages/npm_registry/index.md b/doc/user/packages/npm_registry/index.md
index 99dd26af7f1a310e84aac99dcdac43d13cdb478a..2a1c12c2afd3eeb29e36c41f2a65f49ec75a51d2 100644
--- a/doc/user/packages/npm_registry/index.md
+++ b/doc/user/packages/npm_registry/index.md
@@ -316,9 +316,9 @@ Learn more about [using `CI_JOB_TOKEN` to authenticate to the GitLab NPM registr
 
 ## Troubleshooting
 
-### Error running yarn with NPM registry
+### Error running Yarn with NPM registry
 
-If you are using [yarn](https://classic.yarnpkg.com/en/) with the NPM registry, you may get
+If you are using [Yarn](https://classic.yarnpkg.com/en/) with the NPM registry, you may get
 an error message like:
 
 ```shell
diff --git a/spec/frontend/editor/editor_lite_spec.js b/spec/frontend/editor/editor_lite_spec.js
index 4d15a36867b714987ce79268a3df65758a66cf57..e566d3a4b38f967ef9391882dcd8f713f39edd0a 100644
--- a/spec/frontend/editor/editor_lite_spec.js
+++ b/spec/frontend/editor/editor_lite_spec.js
@@ -26,9 +26,7 @@ describe('Base editor', () => {
 
   it('initializes Editor with basic properties', () => {
     expect(editor).toBeDefined();
-    expect(editor.editorEl).toBe(null);
-    expect(editor.blobContent).toBe('');
-    expect(editor.blobPath).toBe('');
+    expect(editor.instances).toEqual([]);
   });
 
   it('removes `editor-loading` data attribute from the target DOM element', () => {
@@ -59,10 +57,6 @@ describe('Base editor', () => {
         editor.createInstance();
       }).toThrow(EDITOR_LITE_INSTANCE_ERROR_NO_EL);
 
-      expect(editor.editorEl).toBe(null);
-      expect(editor.blobContent).toBe('');
-      expect(editor.blobPath).toBe('');
-
       expect(modelSpy).not.toHaveBeenCalled();
       expect(instanceSpy).not.toHaveBeenCalled();
       expect(setModel).not.toHaveBeenCalled();
@@ -93,14 +87,14 @@ describe('Base editor', () => {
     });
 
     it('initializes instance with passed properties', () => {
+      const instanceOptions = {
+        foo: 'bar',
+      };
       editor.createInstance({
         el: editorEl,
-        blobContent,
-        blobPath,
+        ...instanceOptions,
       });
-      expect(editor.editorEl).toBe(editorEl);
-      expect(editor.blobContent).toBe(blobContent);
-      expect(editor.blobPath).toBe(blobPath);
+      expect(instanceSpy).toHaveBeenCalledWith(editorEl, expect.objectContaining(instanceOptions));
     });
 
     it('disposes instance when the editor is disposed', () => {
@@ -149,16 +143,26 @@ describe('Base editor', () => {
 
     it('can initialize several instances of the same editor', () => {
       editor.createInstance(inst1Args);
-      expect(editor.editorEl).toBe(editorEl1);
       expect(editor.instances).toHaveLength(1);
 
       editor.createInstance(inst2Args);
-      expect(editor.editorEl).toBe(editorEl2);
 
       expect(instanceSpy).toHaveBeenCalledTimes(2);
       expect(editor.instances).toHaveLength(2);
     });
 
+    it('sets independent models on independent instances', () => {
+      inst1 = editor.createInstance(inst1Args);
+      inst2 = editor.createInstance(inst2Args);
+
+      const model1 = inst1.getModel();
+      const model2 = inst2.getModel();
+
+      expect(model1).toBeDefined();
+      expect(model2).toBeDefined();
+      expect(model1).not.toEqual(model2);
+    });
+
     it('shares global editor options among all instances', () => {
       editor = new Editor({
         readOnly: true,
@@ -218,20 +222,20 @@ describe('Base editor', () => {
 
       const blobRenamedPath = 'test.js';
 
-      expect(editor.model.getLanguageIdentifier().language).toBe('markdown');
-      editor.updateModelLanguage(blobRenamedPath);
+      expect(instance.getModel().getLanguageIdentifier().language).toBe('markdown');
+      instance.updateModelLanguage(blobRenamedPath);
 
-      expect(editor.model.getLanguageIdentifier().language).toBe('javascript');
+      expect(instance.getModel().getLanguageIdentifier().language).toBe('javascript');
     });
 
     it('falls back to plaintext if there is no language associated with an extension', () => {
       const blobRenamedPath = 'test.myext';
       const spy = jest.spyOn(console, 'error').mockImplementation(() => {});
 
-      editor.updateModelLanguage(blobRenamedPath);
+      instance.updateModelLanguage(blobRenamedPath);
 
       expect(spy).not.toHaveBeenCalled();
-      expect(editor.model.getLanguageIdentifier().language).toBe('plaintext');
+      expect(instance.getModel().getLanguageIdentifier().language).toBe('plaintext');
     });
   });
 
@@ -298,7 +302,6 @@ describe('Base editor', () => {
       };
       editor.use(FunctionExt);
       expect(instance.inst()).toEqual(editor.instances[0]);
-      expect(instance.mod()).toEqual(editor.model);
     });
 
     describe('multiple instances', () => {
diff --git a/spec/frontend/editor/editor_markdown_ext_spec.js b/spec/frontend/editor/editor_markdown_ext_spec.js
index 7720708277cf617018a6cf436a6fbc0c91945fdf..30ab29aad35a540436160e11b08685c297539468 100644
--- a/spec/frontend/editor/editor_markdown_ext_spec.js
+++ b/spec/frontend/editor/editor_markdown_ext_spec.js
@@ -35,7 +35,7 @@ describe('Markdown Extension for Editor Lite', () => {
   });
 
   afterEach(() => {
-    editor.model.dispose();
+    instance.dispose();
     editorEl.remove();
   });