Lataa Mailspring 1.17.4

Features:
- Added Agenda view to the calendar for chronological event browsing. (#2592)
- Added Linux Do Not Disturb detection for notification suppression. (#2595)
- Added Windows jump list and badge icon desktop integration. (#2594)
- Added ARM64 (aarch64) Linux build support. (#2601)
- The selected calendar view now persists across sessions. (#2600)
Bug Fixes:
- Fixed support for Wayland - window activation context is now handled gracefully. (#2599)
- Fixed the app's system tray icon appearing as three dots (•••) at launch on Ubuntu 25.
- Fixed summary notifications: broken Windows toast URLs and race condition. (#2597)
- Improve Yandex account sync by ignoring their XLIST implementation, which is known to be buggy.
- Fixed mutex re-entry locks during exception handling in mailsync that could be hit if a network disconnect caused both sync workers to throw at the same time.
- Reverted IDLE error suppression that caused sync issues.
Improvements:
- On Linux, default to thin window framing with hamburger-style right menu. (#2604)
- On Linux, added dark/light system tray icon support. (#2602)
- Improved JS algorithm performance using Map/Set for better collection handling. (#2596)
- Enabled support for custom config directory path. (#2587) Thanks @DerDemystifier!
- Added missing release info in appdata. (#2586) Thanks @ychavoya!
Developer:
- Updated node-abi to 3.87.0 and added support for prebuilt better-sqlite3 binaries. (#2598)
- Signed native .node addon files for Smart App Control compliance. (#2589)
- Fixed RPM packaging dependencies for Fedora 43 and openSUSE compatibility. (#2590)
- Fixed openSUSE CI test and RPM post-install scriptlet issues. (#2591)