Disabled the use of ICC color profiles for images on Linux by default.
Updated timezone data for internationalization functions.
Fixed the option to use hardware acceleration over RDP for Windows 8.1 and 10.
Fixed an issue with inner window navigation potentially leaking.
Fixed a startup crash caused by Qihoo 360 Safeguard/360 Total Security.
Ported some expat parser fixes from upstream.
Ported several NSS upstream fixes to our build.
Aligned handling of U+0000 in the html5 parser with expectations.
Added size checks to WebGL data buffering.
Fixed build issues with newer glibc versions.
Fixed build issues for ARM targets.
Worked around a gcc9 compiler issue that would prevent building with it.
Sec bug fixes: CVE-2019-15903, CVE-2019-11757, CVE-2019-11763 and several potentially exploitable crashes and memory safety hazards that don't have a CVE number.
Unified XUL Platform Mozilla Security Patch Summary: 6 fixed, 6 DiD, 1 rejected, 24 not applicable.
Available via the internal updater: Help / Check for updates
Windows 10 Pro (64-bit), Panda DOME 18.7.4, MBAM3 Pro, Windows Firewall, OpenDNS Family Shield, SpywareBlaster, MVPS HOSTS file, MBAE Premium, MCShield, WinPatrol PLUS, SAS (on-demand scanner), Zemana AntiLogger Free, Microsoft EDGE, Firefox, Pale Moon, uBlock Origin, CryptoPrevent.
[I believe computer-users who sandbox (Sandboxie) are acting prudently.]