Fixed

• Check run status icons in the re-run checks dialog have a status tooltip that is accessible by screenreaders - #21191
• The Whitespace hint popover appears when right-clicking diff lines while "Hide whitespace changes" is enabled - #20848. Thanks @zekariasasaminew!
• The cancel button in the sign-in dialog is enabled after sign-in attempt - #21144. Thanks @zekariasasaminew!
• The "Update Email" button in the "Misattributed Commit" popover works after login from a different account - #21176

Improved

• The icon contrast on the pull request check run button meets minimum 3:1 contrast requirements - #21189