3.4.3 Linux RC1

Fixed

• Allow pushing to gists - desktop#19009
• Context menu actions in the diff are accessible via keyboard - desktop#18946
• Add/Remove Co-authors hint text is positioned correctly when scrolling through the changes list - desktop#18929
• Increased contrast of several texts and icons in the app - desktop#18922
• Add aria-expanded and aria-controls attributes to Stashed Changes button - desktop#18924
• Hunk header text color contrast ratio is greater than 4.5:1 - desktop#18916

Improved

• Additional Zed support - desktop#18962. Thanks @adil192!