diff --git a/.gitlab/issue_templates/Technical Evaluation.md b/.gitlab/issue_templates/Technical Evaluation.md
index f703f727113..f603d88a764 100644
--- a/.gitlab/issue_templates/Technical Evaluation.md	
+++ b/.gitlab/issue_templates/Technical Evaluation.md	
@@ -9,9 +9,12 @@
 
 <!-- Outline the tasks with issues that you need evaluate as a part of the implementation issue -->
 
-- [ ] Add task
-- [ ] Add task
-- [ ] Add task
+- [ ] Determine feasibility of the feature
+- [ ] Create issue for implementation or update existing implementation issue description with implementation proposal 
+- [ ] Set weight on implementation issue
+- [ ] If weight is greater than 5, break issue into smaller issues
+- [ ] Add task 
+- [ ] Add task 
 
 ### Risks and Implementation Considerations 
 
diff --git a/app/assets/javascripts/snippet/snippet_bundle.js b/app/assets/javascripts/snippet/snippet_bundle.js
index 652531a1289..8e952fe9358 100644
--- a/app/assets/javascripts/snippet/snippet_bundle.js
+++ b/app/assets/javascripts/snippet/snippet_bundle.js
@@ -1,14 +1,50 @@
 /* global ace */
-
-import $ from 'jquery';
+import Editor from '~/editor/editor_lite';
 import setupCollapsibleInputs from './collapsible_input';
 
-export default () => {
-  const editor = ace.edit('editor');
+let editor;
 
-  $('.snippet-form-holder form').on('submit', () => {
-    $('.snippet-file-content').val(editor.getValue());
+const initAce = () => {
+  editor = ace.edit('editor');
+
+  const form = document.querySelector('.snippet-form-holder form');
+  const content = document.querySelector('.snippet-file-content');
+  form.addEventListener('submit', () => {
+    content.value = editor.getValue();
+  });
+};
+
+const initMonaco = () => {
+  const editorEl = document.getElementById('editor');
+  const contentEl = document.querySelector('.snippet-file-content');
+  const fileNameEl = document.querySelector('.snippet-file-name');
+  const form = document.querySelector('.snippet-form-holder form');
+
+  editor = new Editor();
+  editor.createInstance({
+    el: editorEl,
+    blobPath: fileNameEl.value,
+    blobContent: contentEl.value,
   });
 
+  fileNameEl.addEventListener('change', () => {
+    editor.updateModelLanguage(fileNameEl.value);
+  });
+
+  form.addEventListener('submit', () => {
+    contentEl.value = editor.getValue();
+  });
+};
+
+export const initEditor = () => {
+  if (window?.gon?.features?.monacoSnippets) {
+    initMonaco();
+  } else {
+    initAce();
+  }
   setupCollapsibleInputs();
 };
+
+export default () => {
+  initEditor();
+};
diff --git a/app/models/deployment.rb b/app/models/deployment.rb
index fe42fb93633..fbb59173a3c 100644
--- a/app/models/deployment.rb
+++ b/app/models/deployment.rb
@@ -229,7 +229,14 @@ class Deployment < ApplicationRecord
   end
 
   def link_merge_requests(relation)
-    select = relation.select(['merge_requests.id', id]).to_sql
+    # NOTE: relation.select will perform column deduplication,
+    # when id == environment_id it will outputs 2 columns instead of 3
+    # i.e.:
+    # MergeRequest.select(1, 2).to_sql #=> SELECT 1, 2 FROM "merge_requests"
+    # MergeRequest.select(1, 1).to_sql #=> SELECT 1 FROM "merge_requests"
+    select = relation.select('merge_requests.id',
+                             "#{id} as deployment_id",
+                             "#{environment_id} as environment_id").to_sql
 
     # We don't use `Gitlab::Database.bulk_insert` here so that we don't need to
     # first pluck lots of IDs into memory.
@@ -238,7 +245,7 @@ class Deployment < ApplicationRecord
     # for the same deployment, only inserting any missing merge requests.
     DeploymentMergeRequest.connection.execute(<<~SQL)
       INSERT INTO #{DeploymentMergeRequest.table_name}
-      (merge_request_id, deployment_id)
+      (merge_request_id, deployment_id, environment_id)
       #{select}
       ON CONFLICT DO NOTHING
     SQL
diff --git a/app/views/shared/snippets/_form.html.haml b/app/views/shared/snippets/_form.html.haml
index 3c2c751c579..b07992c6890 100644
--- a/app/views/shared/snippets/_form.html.haml
+++ b/app/views/shared/snippets/_form.html.haml
@@ -28,7 +28,7 @@
         .js-file-title.file-title-flex-parent
           = f.text_field :file_name, placeholder: s_("Snippets|Give your file a name to add code highlighting, e.g. example.rb for Ruby"), class: 'form-control snippet-file-name qa-snippet-file-name'
         .file-content.code
-          %pre#editor= @snippet.content
+          %pre#editor{ data: { 'editor-loading': true } }= @snippet.content
           = f.hidden_field :content, class: 'snippet-file-content'
 
     .form-group
diff --git a/changelogs/unreleased/198604-monaco-snippets.yml b/changelogs/unreleased/198604-monaco-snippets.yml
new file mode 100644
index 00000000000..79f9584ec56
--- /dev/null
+++ b/changelogs/unreleased/198604-monaco-snippets.yml
@@ -0,0 +1,5 @@
+---
+title: Replaced ACE with Monaco editor for Snippets
+merge_request: 25465
+author:
+type: added
diff --git a/changelogs/unreleased/25838-include-full-upload-url-in-api-response.yml b/changelogs/unreleased/25838-include-full-upload-url-in-api-response.yml
new file mode 100644
index 00000000000..879273efefa
--- /dev/null
+++ b/changelogs/unreleased/25838-include-full-upload-url-in-api-response.yml
@@ -0,0 +1,5 @@
+---
+title: Include full path to an upload in api response
+merge_request: 23500
+author: briankabiro
+type: other
diff --git a/changelogs/unreleased/deploy-mr-once-take-2.yml b/changelogs/unreleased/deploy-mr-once-take-2.yml
new file mode 100644
index 00000000000..59b612def4a
--- /dev/null
+++ b/changelogs/unreleased/deploy-mr-once-take-2.yml
@@ -0,0 +1,5 @@
+---
+title: Don't track MR deployment multiple times
+merge_request: 25537
+author:
+type: fixed
diff --git a/db/migrate/20200219133859_add_environment_id_to_deployment_merge_requests.rb b/db/migrate/20200219133859_add_environment_id_to_deployment_merge_requests.rb
new file mode 100644
index 00000000000..a57d0b44c52
--- /dev/null
+++ b/db/migrate/20200219133859_add_environment_id_to_deployment_merge_requests.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class AddEnvironmentIdToDeploymentMergeRequests < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def change
+    add_column :deployment_merge_requests, :environment_id, :integer, null: true
+  end
+end
diff --git a/db/migrate/20200219141307_add_environment_id_fk_to_deployment_merge_requests.rb b/db/migrate/20200219141307_add_environment_id_fk_to_deployment_merge_requests.rb
new file mode 100644
index 00000000000..76980b21feb
--- /dev/null
+++ b/db/migrate/20200219141307_add_environment_id_fk_to_deployment_merge_requests.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class AddEnvironmentIdFkToDeploymentMergeRequests < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_foreign_key :deployment_merge_requests, :environments, column: :environment_id, on_delete: :cascade
+  end
+
+  def down
+    remove_foreign_key_if_exists :deployment_merge_requests, column: :environment_id
+  end
+end
diff --git a/db/migrate/20200219142522_add_environment_id_merge_request_id_uniq_idx_to_deployment_merge_requests.rb b/db/migrate/20200219142522_add_environment_id_merge_request_id_uniq_idx_to_deployment_merge_requests.rb
new file mode 100644
index 00000000000..a557f3f88d7
--- /dev/null
+++ b/db/migrate/20200219142522_add_environment_id_merge_request_id_uniq_idx_to_deployment_merge_requests.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class AddEnvironmentIdMergeRequestIdUniqIdxToDeploymentMergeRequests < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :deployment_merge_requests, [:environment_id, :merge_request_id], unique: true, name: 'idx_environment_merge_requests_unique_index'
+  end
+
+  def down
+    remove_concurrent_index_by_name :deployment_merge_requests, 'idx_environment_merge_requests_unique_index'
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index c6a5e2dd869..149582f94bf 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -1372,7 +1372,9 @@ ActiveRecord::Schema.define(version: 2020_02_26_162723) do
   create_table "deployment_merge_requests", id: false, force: :cascade do |t|
     t.integer "deployment_id", null: false
     t.integer "merge_request_id", null: false
+    t.integer "environment_id"
     t.index ["deployment_id", "merge_request_id"], name: "idx_deployment_merge_requests_unique_index", unique: true
+    t.index ["environment_id", "merge_request_id"], name: "idx_environment_merge_requests_unique_index", unique: true
     t.index ["merge_request_id"], name: "index_deployment_merge_requests_on_merge_request_id"
   end
 
@@ -4719,6 +4721,7 @@ ActiveRecord::Schema.define(version: 2020_02_26_162723) do
   add_foreign_key "deployment_clusters", "clusters", on_delete: :cascade
   add_foreign_key "deployment_clusters", "deployments", on_delete: :cascade
   add_foreign_key "deployment_merge_requests", "deployments", on_delete: :cascade
+  add_foreign_key "deployment_merge_requests", "environments", name: "fk_a064ff4453", on_delete: :cascade
   add_foreign_key "deployment_merge_requests", "merge_requests", on_delete: :cascade
   add_foreign_key "deployments", "clusters", name: "fk_289bba3222", on_delete: :nullify
   add_foreign_key "deployments", "projects", name: "fk_b9a3851b82", on_delete: :cascade
diff --git a/doc/api/projects.md b/doc/api/projects.md
index 905eb01b0ad..c2154233cc5 100644
--- a/doc/api/projects.md
+++ b/doc/api/projects.md
@@ -1836,11 +1836,12 @@ Returned object:
 {
   "alt": "dk",
   "url": "/uploads/66dbcd21ec5d24ed6ea225176098d52b/dk.png",
+  "full_path": "/namespace1/project1/uploads/66dbcd21ec5d24ed6ea225176098d52b/dk.png",
   "markdown": "![dk](/uploads/66dbcd21ec5d24ed6ea225176098d52b/dk.png)"
 }
 ```
 
->**Note**: The returned `url` is relative to the project path.
+>**Note**: The returned `url` is relative to the project path. The returned `full_path` is the absolute path to the file.
 In Markdown contexts, the link is automatically expanded when the format in
 `markdown` is used.
 
diff --git a/doc/development/fe_guide/style/javascript.md b/doc/development/fe_guide/style/javascript.md
index f40e8c7b5df..7951c702601 100644
--- a/doc/development/fe_guide/style/javascript.md
+++ b/doc/development/fe_guide/style/javascript.md
@@ -175,6 +175,21 @@ are loaded dynamically with webpack.
 Do not use `innerHTML`, `append()` or `html()` to set content. It opens up too many
 vulnerabilities.
 
+## Avoid single-line conditional statements
+
+Indentation is important when scanning code as it gives a quick indication of the existence of branches, loops, and return points.
+This can help to quickly understand the control flow.
+
+```javascript
+// bad
+if (isThingNull) return '';
+
+// good
+if (isThingNull) {
+  return '';
+}
+```
+
 ## ESLint
 
 ESLint behaviour can be found in our [tooling guide](../tooling.md).
diff --git a/doc/user/project/issues/design_management.md b/doc/user/project/issues/design_management.md
index 58da77697d8..f7fa8c84d9e 100644
--- a/doc/user/project/issues/design_management.md
+++ b/doc/user/project/issues/design_management.md
@@ -37,6 +37,8 @@ Design Management requires that projects are using
 [hashed storage](../../../administration/repository_storage_types.md#hashed-storage)
 (the default storage type since v10.0).
 
+If the requirements are not met, the **Designs** tab displays a message to the user.
+
 ### Feature Flags
 
 - Reference Parsing
diff --git a/lib/api/entities/project_upload.rb b/lib/api/entities/project_upload.rb
new file mode 100644
index 00000000000..f38f8d74f7b
--- /dev/null
+++ b/lib/api/entities/project_upload.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+module API
+  module Entities
+    class ProjectUpload < Grape::Entity
+      include Gitlab::Routing
+
+      expose :markdown_name, as: :alt
+      expose :secure_url, as: :url
+      expose :full_path do |uploader|
+        show_project_uploads_path(
+          uploader.model,
+          uploader.secret,
+          uploader.filename
+        )
+      end
+
+      expose :markdown_link, as: :markdown
+    end
+  end
+end
diff --git a/lib/api/projects.rb b/lib/api/projects.rb
index 6f96ffde0a7..43d607bc0c1 100644
--- a/lib/api/projects.rb
+++ b/lib/api/projects.rb
@@ -494,7 +494,9 @@ module API
         requires :file, type: File, desc: 'The file to be uploaded' # rubocop:disable Scalability/FileUploads
       end
       post ":id/uploads" do
-        UploadService.new(user_project, params[:file]).execute.to_h
+        upload = UploadService.new(user_project, params[:file]).execute
+
+        present upload, with: Entities::ProjectUpload
       end
 
       desc 'Get the users list of a project' do
diff --git a/locale/gitlab.pot b/locale/gitlab.pot
index 32e1b704a15..1dfa9d0c95f 100644
--- a/locale/gitlab.pot
+++ b/locale/gitlab.pot
@@ -1293,6 +1293,15 @@ msgstr ""
 msgid "AdminArea|Stopping jobs failed"
 msgstr ""
 
+msgid "AdminArea|Users statistics"
+msgstr ""
+
+msgid "AdminArea|Users total"
+msgstr ""
+
+msgid "AdminArea|Users with highest role"
+msgstr ""
+
 msgid "AdminArea|You’re about to stop all jobs.This will halt all current jobs that are running."
 msgstr ""
 
@@ -6669,6 +6678,9 @@ msgstr ""
 msgid "DesignManagement|The one place for your designs"
 msgstr ""
 
+msgid "DesignManagement|To enable design management, you'll need to  %{requirements_link_start}meet the requirements%{requirements_link_end}. If you need help, reach out to our %{support_link_start}support team%{support_link_end} for assistance."
+msgstr ""
+
 msgid "DesignManagement|Upload and view the latest designs for this issue. Consistent and easy to find, so everyone is up to date."
 msgstr ""
 
@@ -19358,6 +19370,9 @@ msgstr ""
 msgid "The number of times an upload record could not find its file"
 msgstr ""
 
+msgid "The one place for your designs"
+msgstr ""
+
 msgid "The passphrase required to decrypt the private key. This is optional and the value is encrypted at rest."
 msgstr ""
 
diff --git a/qa/qa/page/dashboard/snippet/new.rb b/qa/qa/page/dashboard/snippet/new.rb
index df4c2902b31..da5013e787e 100644
--- a/qa/qa/page/dashboard/snippet/new.rb
+++ b/qa/qa/page/dashboard/snippet/new.rb
@@ -52,7 +52,7 @@ module QA
           private
 
           def text_area
-            find('#editor>textarea', visible: false)
+            find('#editor textarea', visible: false)
           end
         end
       end
diff --git a/spec/features/projects/snippets/create_snippet_spec.rb b/spec/features/projects/snippets/create_snippet_spec.rb
index 40c54b2f873..ee312a5811d 100644
--- a/spec/features/projects/snippets/create_snippet_spec.rb
+++ b/spec/features/projects/snippets/create_snippet_spec.rb
@@ -2,11 +2,10 @@
 
 require 'spec_helper'
 
-describe 'Projects > Snippets > Create Snippet', :js do
-  include DropzoneHelper
-
-  let_it_be(:user) { create(:user) }
-  let_it_be(:project) { create(:project, :public) }
+shared_examples_for 'snippet editor' do
+  before do
+    stub_feature_flags(monaco_snippets: flag)
+  end
 
   def description_field
     find('.js-description-input').find('input,textarea')
@@ -20,7 +19,8 @@ describe 'Projects > Snippets > Create Snippet', :js do
     fill_in 'project_snippet_description', with: 'My Snippet **Description**'
 
     page.within('.file-editor') do
-      find('.ace_text-input', visible: false).send_keys('Hello World!')
+      el = flag == true ? find('.inputarea') : find('.ace_text-input', visible: false)
+      el.send_keys 'Hello World!'
     end
   end
 
@@ -33,6 +33,7 @@ describe 'Projects > Snippets > Create Snippet', :js do
       visit project_snippets_path(project)
 
       click_on('New snippet')
+      wait_for_requests
     end
 
     it 'shows collapsible description input' do
@@ -111,3 +112,22 @@ describe 'Projects > Snippets > Create Snippet', :js do
     end
   end
 end
+
+describe 'Projects > Snippets > Create Snippet', :js do
+  include DropzoneHelper
+
+  let_it_be(:user) { create(:user) }
+  let_it_be(:project) { create(:project, :public) }
+
+  context 'when using Monaco' do
+    it_behaves_like "snippet editor" do
+      let(:flag) { true }
+    end
+  end
+
+  context 'when using ACE' do
+    it_behaves_like "snippet editor" do
+      let(:flag) { false }
+    end
+  end
+end
diff --git a/spec/features/snippets/spam_snippets_spec.rb b/spec/features/snippets/spam_snippets_spec.rb
index 02b807ce071..efe1bdc963d 100644
--- a/spec/features/snippets/spam_snippets_spec.rb
+++ b/spec/features/snippets/spam_snippets_spec.rb
@@ -2,9 +2,7 @@
 
 require 'spec_helper'
 
-describe 'User creates snippet', :js do
-  let(:user) { create(:user) }
-
+shared_examples_for 'snippet editor' do
   def description_field
     find('.js-description-input').find('input,textarea')
   end
@@ -12,6 +10,7 @@ describe 'User creates snippet', :js do
   before do
     stub_feature_flags(allow_possible_spam: false)
     stub_feature_flags(snippets_vue: false)
+    stub_feature_flags(monaco_snippets: flag)
     stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'false')
 
     Gitlab::CurrentSettings.update!(
@@ -33,7 +32,8 @@ describe 'User creates snippet', :js do
 
     find('#personal_snippet_visibility_level_20').set(true)
     page.within('.file-editor') do
-      find('.ace_text-input', visible: false).send_keys 'Hello World!'
+      el = flag == true ? find('.inputarea') : find('.ace_text-input', visible: false)
+      el.send_keys 'Hello World!'
     end
   end
 
@@ -80,3 +80,19 @@ describe 'User creates snippet', :js do
     end
   end
 end
+
+describe 'User creates snippet', :js do
+  let_it_be(:user) { create(:user) }
+
+  context 'when using Monaco' do
+    it_behaves_like "snippet editor" do
+      let(:flag) { true }
+    end
+  end
+
+  context 'when using ACE' do
+    it_behaves_like "snippet editor" do
+      let(:flag) { false }
+    end
+  end
+end
diff --git a/spec/features/snippets/user_creates_snippet_spec.rb b/spec/features/snippets/user_creates_snippet_spec.rb
index 69a44513e7f..88f7896bfa6 100644
--- a/spec/features/snippets/user_creates_snippet_spec.rb
+++ b/spec/features/snippets/user_creates_snippet_spec.rb
@@ -2,13 +2,10 @@
 
 require 'spec_helper'
 
-describe 'User creates snippet', :js do
-  include DropzoneHelper
-
-  let(:user) { create(:user) }
-
+shared_examples_for 'snippet editor' do
   before do
     stub_feature_flags(snippets_vue: false)
+    stub_feature_flags(monaco_snippets: flag)
     sign_in(user)
     visit new_snippet_path
   end
@@ -25,7 +22,8 @@ describe 'User creates snippet', :js do
     fill_in 'personal_snippet_description', with: 'My Snippet **Description**'
 
     page.within('.file-editor') do
-      find('.ace_text-input', visible: false).send_keys 'Hello World!'
+      el = flag == true ? find('.inputarea') : find('.ace_text-input', visible: false)
+      el.send_keys 'Hello World!'
     end
   end
 
@@ -109,7 +107,8 @@ describe 'User creates snippet', :js do
     fill_in 'personal_snippet_title', with: 'My Snippet Title'
     page.within('.file-editor') do
       find(:xpath, "//input[@id='personal_snippet_file_name']").set 'snippet+file+name'
-      find('.ace_text-input', visible: false).send_keys 'Hello World!'
+      el = flag == true ? find('.inputarea') : find('.ace_text-input', visible: false)
+      el.send_keys 'Hello World!'
     end
 
     click_button 'Create snippet'
@@ -120,3 +119,21 @@ describe 'User creates snippet', :js do
     expect(page).to have_content('Hello World!')
   end
 end
+
+describe 'User creates snippet', :js do
+  include DropzoneHelper
+
+  let_it_be(:user) { create(:user) }
+
+  context 'when using Monaco' do
+    it_behaves_like "snippet editor" do
+      let(:flag) { true }
+    end
+  end
+
+  context 'when using ACE' do
+    it_behaves_like "snippet editor" do
+      let(:flag) { false }
+    end
+  end
+end
diff --git a/spec/frontend/snippet/snippet_bundle_spec.js b/spec/frontend/snippet/snippet_bundle_spec.js
new file mode 100644
index 00000000000..af98e8d665d
--- /dev/null
+++ b/spec/frontend/snippet/snippet_bundle_spec.js
@@ -0,0 +1,94 @@
+import Editor from '~/editor/editor_lite';
+import { initEditor } from '~/snippet/snippet_bundle';
+import { setHTMLFixture } from 'helpers/fixtures';
+
+jest.mock('~/editor/editor_lite', () => jest.fn());
+
+describe('Snippet editor', () => {
+  describe('Monaco editor for Snippets', () => {
+    let oldGon;
+    let editorEl;
+    let contentEl;
+    let fileNameEl;
+    let form;
+
+    const mockName = 'foo.bar';
+    const mockContent = 'Foo Bar';
+    const updatedMockContent = 'New Foo Bar';
+
+    const mockEditor = {
+      createInstance: jest.fn(),
+      updateModelLanguage: jest.fn(),
+      getValue: jest.fn().mockReturnValueOnce(updatedMockContent),
+    };
+    Editor.mockImplementation(() => mockEditor);
+
+    function setUpFixture(name, content) {
+      setHTMLFixture(`
+        <div class="snippet-form-holder">
+          <form>
+            <input class="snippet-file-name" type="text" value="${name}">
+            <input class="snippet-file-content" type="hidden" value="${content}">
+            <pre id="editor"></pre>
+          </form>
+        </div>
+      `);
+    }
+
+    function bootstrap(name = '', content = '') {
+      setUpFixture(name, content);
+      editorEl = document.getElementById('editor');
+      contentEl = document.querySelector('.snippet-file-content');
+      fileNameEl = document.querySelector('.snippet-file-name');
+      form = document.querySelector('.snippet-form-holder form');
+
+      initEditor();
+    }
+
+    function createEvent(name) {
+      return new Event(name, {
+        view: window,
+        bubbles: true,
+        cancelable: true,
+      });
+    }
+
+    beforeEach(() => {
+      oldGon = window.gon;
+      window.gon = { features: { monacoSnippets: true } };
+      bootstrap(mockName, mockContent);
+    });
+
+    afterEach(() => {
+      window.gon = oldGon;
+    });
+
+    it('correctly initializes Editor', () => {
+      expect(mockEditor.createInstance).toHaveBeenCalledWith({
+        el: editorEl,
+        blobPath: mockName,
+        blobContent: mockContent,
+      });
+    });
+
+    it('listens to file name changes and updates syntax highlighting of code', () => {
+      expect(mockEditor.updateModelLanguage).not.toHaveBeenCalled();
+
+      const event = createEvent('change');
+
+      fileNameEl.value = updatedMockContent;
+      fileNameEl.dispatchEvent(event);
+
+      expect(mockEditor.updateModelLanguage).toHaveBeenCalledWith(updatedMockContent);
+    });
+
+    it('listens to form submit event and populates the hidden field with most recent version of the content', () => {
+      expect(contentEl.value).toBe(mockContent);
+
+      const event = createEvent('submit');
+
+      form.dispatchEvent(event);
+      expect(contentEl.value).toBe(updatedMockContent);
+    });
+  });
+});
diff --git a/spec/lib/gitlab/profiler_spec.rb b/spec/lib/gitlab/profiler_spec.rb
index 603417c5532..6440f74a49a 100644
--- a/spec/lib/gitlab/profiler_spec.rb
+++ b/spec/lib/gitlab/profiler_spec.rb
@@ -195,6 +195,7 @@ describe Gitlab::Profiler do
 
   describe '.print_by_total_time' do
     let(:stdout) { StringIO.new }
+    let(:regexp) { /^\s+\d+\.\d+\s+(\d+\.\d+)/ }
 
     let(:output) do
       stdout.rewind
@@ -202,6 +203,8 @@ describe Gitlab::Profiler do
     end
 
     let_it_be(:result) do
+      Thread.new { sleep 1 }
+
       RubyProf.profile do
         sleep 0.1
         1.to_s
@@ -212,23 +215,22 @@ describe Gitlab::Profiler do
       stub_const('STDOUT', stdout)
     end
 
-    it 'prints a profile result sorted by total time', quarantine: 'https://gitlab.com/gitlab-org/gitlab/issues/206907' do
+    it 'prints a profile result sorted by total time' do
       described_class.print_by_total_time(result)
 
-      total_times =
-        output
-          .scan(/^\s+\d+\.\d+\s+(\d+\.\d+)/)
-          .map { |(total)| total.to_f }
-
       expect(output).to include('Kernel#sleep')
 
-      if total_times != total_times.sort.reverse
-        warn "Profiler test failed, output is:"
-        warn output
-      end
+      thread_profiles = output.split('Sort by: total_time').select { |x| x =~ regexp }
 
-      expect(total_times).to eq(total_times.sort.reverse)
-      expect(total_times).not_to eq(total_times.uniq)
+      thread_profiles.each do |profile|
+        total_times =
+          profile
+            .scan(regexp)
+            .map { |(total)| total.to_f }
+
+        expect(total_times).to eq(total_times.sort.reverse)
+        expect(total_times).not_to eq(total_times.uniq)
+      end
     end
 
     it 'accepts a max_percent option' do
diff --git a/spec/requests/api/projects_spec.rb b/spec/requests/api/projects_spec.rb
index 38543e1efe5..2f1760a570e 100644
--- a/spec/requests/api/projects_spec.rb
+++ b/spec/requests/api/projects_spec.rb
@@ -1250,6 +1250,8 @@ describe API::Projects do
       expect(json_response['alt']).to eq("dk")
       expect(json_response['url']).to start_with("/uploads/")
       expect(json_response['url']).to end_with("/dk.png")
+
+      expect(json_response['full_path']).to start_with("/#{project.namespace.path}/#{project.path}/uploads")
     end
   end
 
diff --git a/spec/services/deployments/link_merge_requests_service_spec.rb b/spec/services/deployments/link_merge_requests_service_spec.rb
index 605f2cfdc51..2f635c7ad62 100644
--- a/spec/services/deployments/link_merge_requests_service_spec.rb
+++ b/spec/services/deployments/link_merge_requests_service_spec.rb
@@ -133,6 +133,34 @@ describe Deployments::LinkMergeRequestsService do
       expect(deploy.merge_requests).to include(mr1, picked_mr)
     end
 
+    it "doesn't link the same merge_request twice" do
+      create(:merge_request, :merged, merge_commit_sha: mr1_merge_commit_sha,
+             source_project: project)
+
+      picked_mr = create(:merge_request, :merged, merge_commit_sha: '123abc',
+                         source_project: project)
+
+      # the first MR includes c1c67abba which is a cherry-pick of the fake picked_mr merge request
+      create(:track_mr_picking_note, noteable: picked_mr, project: project, commit_id: 'c1c67abbaf91f624347bb3ae96eabe3a1b742478')
+
+      environment = create(:environment, project: project)
+      old_deploy =
+        create(:deployment, :success, project: project, environment: environment)
+
+      # manually linking all the MRs to the old_deploy
+      old_deploy.link_merge_requests(project.merge_requests)
+
+      deploy =
+        create(:deployment, :success, project: project, environment: environment)
+
+      described_class.new(deploy).link_merge_requests_for_range(
+        first_deployment_sha,
+        mr1_merge_commit_sha
+      )
+
+      expect(deploy.merge_requests).to be_empty
+    end
+
     context 'when :track_mr_picking feature flag is disabled' do
       before do
         stub_feature_flags(track_mr_picking: false)