Pale Moon 25.5.0

Pale Moon is a custom-built and optimized Firefox-based browser for Windows operating systems with current, high performance processors. It looks identical to the standard Firefox browser and supports Firefox extensions, themes and identities.

Features:

Highly optimized for modern processors
100% Firefox sourced: As safe as the browser that has seen years of development.
Uses slightly less memory because of disabled redundant and optional code
Significant speed increases for page drawing and script processing
Stability: experience fewer browser crashes.
Support for SVG and Canvas, and downloadable fonts including WOFF
Support for HTML5 and WebGL (v4+)
Support for Firefox extensions (add-ons), themes and personas
Support for OOPP (Out-of-process plugin execution)
Able to use existing Firefox bookmarks and settings with this migration tool

Pale Moon 25.5.0 changes:

Logjam fix: Refuse DHE keys with less than 1024 key bits
Search plugin updates to re-enable Google suggestions and reduce tracking (Squarefractal)
Allow plugin-specific (.dll based) OOPP overrides also for npswf. This will not be used for the "master switch" for OOPP and Flash will still be in the plugin container, unless a specific dom.ipc.plugins.enabled.npswf*.dll boolean is set to override.
Fixed a crash during WebGL Conformance Tests for undefined indices (Toady)
HSTS preload list updates (Squarefractal)
Status bar locale addition: cs
Implemented a fix for the toolkit update service so that the same version as the current application will not be offered as a valid update (Tobin)
Reorganized the AppMenu (give equal ease for windowed and tabbed browsing, deprioritize Sync)
Disabled the Sync promo box in doorhangers.
Updated libpng to version 1.5.22
Fixed support for builds using newer freetype on Linux. (Axiomatic)
Fixed --with-system-pixman builds. (Isaac Dunham)
Updated SQLite to version 3.8.10.1
Changed the after-upgrade page loaded to the release notes instead of the home page.
(and hoping people actually do take a moment to read them, preventing unnecessary support requests)
Fixed navigator.geolocation - should never be null, to properly adhere to the specification (Travis)
Moved paintlock event delay to greprefs, and adjusted it for 2015"s heavier sites
Fixed the about dialog scripting for pre-release builds (includes build date now as-intended and no longer errors the script)
Reorganized how pushed floats are handled in layout flow
Implemented a change to run the updater from the install directory instead of copying it.
Fixed transparency of the Pale Moon document icon for 256x256
Updated padlock code:
- Added mixed-mode shading, and reorganized shading pref values more logically
(0=off, 1=secure only, 2=secure+mixed, 3=all)
- Cleaned up CSS
- Cleaned up padlock logic a little
Hard-coded internal UA sniffing values for the extension legacy of devtools
Updated NSPR to 4.10.8
Updated the NSS security lib to 3.19-RTM + re-worked Pale Moon changes
Bumped the built-in site-specific UA compat mode overrides to v38
Fixed a compressed-cache crash due to losing our cache entry while finishing up compression.
Updated and patched libcubeb, the main media sound library, to fix a number of audio issues (e.g. when switching output device) and audio-related crashes
Added the option to load modules into a named scope (see issue #88)
Removed quick access keys for buttons on the updater window (since it may pop up unannounced when people are typing, causing them to make unintended choices)
Updated jemalloc and mozjemalloc memory allocator libraries to improve performance
Removed implicit access to a whole range of internally-used interfaces and classes that page content has no business calling anyway
Added a preference for always preferring a certain dictionary language.
To use this, create a new preference spellchecker.dictionary.override (string) and set it to your language code.

Security fixes:

Fixes for miscellaneous memory safety hazards (relevant and applicable fixes from CVE-2015-2708 and CVE-2015-2709)
DiD (defense-in-depth) fix to prevent potential overflows in CSS restyling
Fix for updater hijacking (CVE-2015-2720)
Fix to prevent potential disclosure of sensitive information in Android logs (CVE-2015-2714)
Fix for a buffer overflow in the XML parser (CVE-2015-2716)
Fix for a potentially exploitable crash in DNS handling

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