Pale Moon (64-bit)

What's new in this version:

- Redesigned the about box
- Added "Check for updates" menu entries to the AppMenu and classic menu (since the About box redesign no longer has application update in it)
- Restored the app.update.url.override pref for AUS testing/override
- Added "Loop" control to html5 video
- Fixed a crash with frames (e.g. when using Tile Tabs)
- Fixed an issue with textarea placeholders (spec compliance)
- Removed the Windows Maintenance Service one last time
- Improved http basic auth DoS heuristics
- Fixed an issue on big-endian machines (e.g. PPC64/linux)
- Removed e10s code from widgets
- Preffed the various http "Accept" headers and aligned with the Fetch spec (except for image requests)
- Aligned URLSearchParams with the spec
- Updated several site-specific UA overrides
- Fixed "Yet Another special case of a flex frame being the absolute containing block"
- Fixed border drawing when the tab bar is hidden
- Pref-controlled and disabled the use of unboxed plain objects in JavaScript's JIT compiler
- Improved handling of interrupted connections through proxies and pseudo-VPN extensions
- Removed contextual identity
- Updated the 7zip installer stub to a much more recent code version
- Fixed an issue with applying percentages to 0 in layout sizes
- Fixed an issue with calculating linear sums in JS JITed code
- Added default value feature to get*Pref() preference functions
- Fixed an issue that would occasionally overwrite the new tab custom URL
- Updated the SQLite library to 3.27.
- Killed the crashreporter toolkit files and exception handler hooks
- Fixed an issue with a missing border on the tab bar when on the bottom
- Fixed a crash with badly-formatted SVG files
- Showed the robots to the exit after squatting in the browser for decades
- JavaScript: Implemented TC39 toString() revision proposal
- Rearchitectured the JavaScript front-end parser to provide better and more logical parsing of JS code
- Removed support code and leftovers for unsupported SunOS, AIX, BEOS, HPUX and OS/2 operating systems
- Fixed a scrollbar arrow issue on OS X
- Removed all Firefox Accounts code
- Made the CSS parser more robust and aligned url() behavior with the CSS3 spec in case of bad input
- Fixed an issue with blocklist updates not actually dynamically applying due to a wrong URL
- Updated the embedded emoji font to the TweMoji v11.4.0 equivalent
- Fixed an issue with async/deferred scripts preventing page loads from completing