Custom Theme Quick Setup now includes background settings — easily set a custom background color, gradient, or image for the sidebar.

AI Assistant now automatically updates available models and prevents outdated data from overwriting your configuration after cloud sync.
Significantly improved window state restoration — window names, icons, cloud sync associations, and tab metadata are more reliably restored after browser restart. Cloud-synced windows can also be re-associated when restored via Ctrl+Shift+T.
Added editable reset URL for pinned tabs — click the edit icon to customize the URL a pinned tab resets to.
Window styles (custom names, icons, colors) are now included in Import/Export.
Search results now group matched tabs under their tab group header, matching the sidebar's visual style.
Added tool definition viewer in AI Assistant settings — view function names, parameters, and descriptions in an API-doc style dialog.

Fixed tabs potentially falling out of groups when "New tab next to active" or tree-mode sorting moved grouped tabs.
Fixed scroll to active tab not working for newly created tabs.
Fixed multiple window header display issues including text/stats overlapping when icons or fonts are enlarged, WindowSwitcher not showing custom icons and colors, and sticky header text overlap when scrolling.