GitHubTags:

#A11yTCS; #A11ySev2; #A11yMAS; #WCAG4.3.1; #Desktopweb; #Win11; #Visual Studio Code Client; #VisualStudioCode-Web-Apr2021; #ChromiumEdge; #a11y-monacoeditor; #DevTools; #PartnerBug; # No Disruption of Accessibility Features:#ED:Bug10274492;#Closed;#A11yFixed;

Environment Details:

#URL: https://microsoft.github.io/monaco-editor/playground.html?source=v0.52.2#XQAAAAJjAQAAAAAAAABBqQkHQ5NjdMjwa-jY7SIQ9S7DNlzs5W-mwj0fe1ZCDRFc9ws9XQE0SJE1jc2VKxhaLFIw9vEWSxW3yscwzZypW_1uhs0-3YGTBOsVJ4S4FwfCDQb5-2uUHXTVAefbVSd9IzaZ_vv9VR9KugsKimARHSWlrTPOQHROITHxmAetfeRrm3VHdSe7_Etv6WpgzlH4o4eQ6dMnzwfwYcUqOiZ_ge3TaAC-S-3X8NnmdsBgoPipQD3aPDiLZZPK6l7xCFp8ZECZbOE6TnVWRQ5d9hpoWU6fPQxCmvXOHG0yQjnpBbUFcTVnmLIgKYp_MMpyC98ktGgml-3rke-U2SAGxZ_LvB8DSxLE1KkD9hE5voTWZUnA5LHB1fNAbw8DB8v_jVO8Ng
Application name: Monaco Editor
Chromium Edge: Version 138.0.3351.95 (Official build) (64-bit)
Windows 11 Enterprise (Version 23H2)  
OS Build 22631.3737

Repro Steps:

1. Hit the URL: https://microsoft.github.io/monaco-editor/playground.html?source=v0.52.2#example-creating-the-editor-hello-world.
2. Monaco editor page will appear.
3. Apply high contrast.
4. Observe that In After enabling High Contrast, unable to see the selection when highlighting text.

Actual Results:

After enabling High Contrast, unable to see the selection when highlighting text.

Expected Results:

After applying High Contrast, User should be able to see the selection while selecting text..

User Impact:

Low vision users may have trouble identifying selected text if they cannot see the selection when using High Contrast mode.

Attachment: