Available Firefox 81.
- Fixed in Linux problems with DMABuf ΠΈ hardware accelerated video playback, and on macOS implemented hardware accelerated video in VP9 format. On devices with GPU Adreno 5xx (except 505 and 506) included WebRender.
- Support included multimedia keys (hardware playback control buttons on keyboards and headsets). Works, even when the browser window is not in focus or the session is locked.
- Enabled for US and Canadian users saving and autofilling forms containing bank card data (Users from other countries can enable this using the dom.payments.defaults.saveCreditCard and extensions.formautofill.creditCards settings, and services.sync.engine.creditcards for synchronization).
- Some textures, shadows, gradients and animations have been removed from the PDF viewer interface. Increased button size. New interface better aligned with the browser interface. Added support for AcroForm (form filling, to be enabled later, enabled by setting pdfjs.renderInteractiveForms).
- Added new preset theme - alpenglow.
- Added to the settings interface warning that one of the installed add-ons controls the saving of credentials.
- A suggestion to try has been added to the page that opens when starting a private session mozilla-vpn.
- Firefox users in Austria, Belgium, and Switzerland using the German locale will receive recommendations from Pocket on the new tab page.
- The number of settings in the "Privacy and Protection" section that are subject to synchronization has been expanded.
- Files with extensions .xml, .svg, and .webp, when opened from the download manager, will open directly in the browser.
- After importing bookmarks from other browsers, the bookmarks bar will be automatically shown.
- Installed language packs are now updated at the same time as the browser (otherwise, after updating the browser, users received the interface in the default language).
- HTML5 media controls are now more accessible to people with disabilities:
- Controls remain available to screen readers even if those controls are temporarily hidden.
- Elapsed time and total time values ββare available to screen readers.
- Various elements that didn't have tags got them.
- Screen readers no longer report progress without an explicit request from the user.
- The link to Firefox Send has been removed from the account menu (this service was closed).
- Forbidden loading files from isolated frames. To enable it, set the attribute sandbox the value of allow-downloads or allow-downloads-without-user-activatio.
- HTML: Removed support for the non-standard mozallowfullscreen attribute from . Instead, allow="fullscreen" should be used.
- CSS:
- Removed support for non-standard ::-moz-focus-outer from pseudo element.
- overflow:-moz-hidden-unscrollable renamed in overflow:clip.
- HTTP: headers content-disposition can now contain filenames with spaces without quotation marks.
- HOUSE:
- File constructor no longer replaces slashes in file names with colons.
- Worker ΠΈ SharedWorker no longer execute JavaScript with incorrect MIME type.
- Developer Tools:
- TypeScript files are now correct determined in the debugger and are marked with the appropriate icons, making it easier to find these files in the list.
- JSON HTTP responses with XSSI prevention characters are parsed correctly, and the JSON data is presented in a tree interface.
- Added the ability to pause first script operation (when developers want to debug side effects caused by script execution or timers).
- improved simulation of color perception disorders. Removed simulation of protanopic, deuteranopic and tritanopic dichromacy. Simulation added achromatopsia.
Source: linux.org.ru