| Fixed border and caret widths for natural rounding. |
Mitigated Meltdown/Spectre hazards.
Removed b2g code.
Fixed issues with ID-less web extensions and incorrect warnings in the add-on manager.
Removed unused internal extensions and components.
Fixed source editor controller commands.
Fixed X-Frame-Options sameorigin check to check all ancestors.
Fixed "sticky" menu colors in special accessibility ("high contrast") system themes.
Fixed security issues: CVE-2018-5099, CVE-2018-5093, CVE-2018-5113, CVE-2018-5095, CVE-2018-5098, CVE-2018-5111, CVE-2018-5109, CVE-2018-5122, CVE-2018-5091, CVE-2018-5097, CVE-2018-5102, CVE-2018-5104, and multiple potentially exploitable crashes and vulnerabilities that do not have a CVE assigned to them.