Mozilla released its new versions, Firefox 116, Firefox 102.14, and Firefox ESR 115.1esr, with additional functionality and security fixes on the 1st of August, 2023. These releases contain multiple changes.
The sidebar switcher in Firefox 116 offers users convenient access to the Bookmarks, History, and Synced Tabs panels. Users can effortlessly switch between these panels, relocate the sidebar within the browser window, or simply close it. Notably, keyboard users can now perform all these actions smoothly, both with or without assistive technology, without the necessity of memorizing complex keyboard shortcuts for accessing these panels.
You can find the reports and more info on the Firefox 116 update here.