Pale Moon 25.2.0

Pale Moon

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

This is an important update after rapid development on the back-end to extend browser capabilities and implement some ES6 draft functions for web programmers, as well as provide some important crashfixes, bugfixes and security updates.

Fixes/changes:

ES6: Added the following functions:

Array.prototype.find and Array.prototype.findIndex
IsConstructor(arg)
Array.of(items...)
Number.parseInt and Number.parseFloat
Advanced math functions: hyperbolic sin/cos/tan/asin/acos/atan, hypotenuse, cube root, expm1, log1p, log10, log2, sign and trunc
Map.prototype.forEach and Set.prototype.forEach

ES6: Added the following number constants: EPSILON, MIN_SAFE_INTEGER and MAX_SAFE_INTEGER
ES6: Added the use of binary and octal numeric literals (&b... and &o...)
ES6: Updated behavior of accessing indexed values in accordance with the spec.
CSS: Added overflow-clip-box:content-box|padding-box
DOM: Added table.createTBody() function
Added a clearer alltabs button for dark personas.
Added a development tools toggle hotkey (F12)
Added a preference prompts.tab_modal.focusSwitch to enable or disable tab switching when a modal dialog (e.g. javascript confirmation) is presented in a page.
IonMonkey on Android: fixed the implementation of AbsI.
IonMonkey: fixed a bug where actively used objects were discarded.
Fixed register initialization to prevent incorrect detection of SIMD instructions on some CPUs.
Optimized some loops in the spell checker to increase performance.
Simplified cache handling, updated cache parameters to better reflect current web use, and enabled automatic cache sizing by default.
Adjusted memory cache sizing to better reflect capacities of current hardware.
Updated UserAgent override workarounds for Netflix and FaceBook to fix some site issues.
Aligned programmatic access to geolocation with the spec.
Fixed a crash when being fed a data file (XML) with too deeply nested tags.
Fixed a crash in HTML5/WebAudio that affected some games.
Fixed a crash when programmatically collapsing elements.
Fixed a few non-breaking bugs related to e10s code.
Fixed text input/padding issues.
Updated surround downmixing code for Vorbis.
Improved tolerance in WebAudio for loading multichannel audio files.
Android: Fixed an issue with Flash, it should now run on more devices.
Updated the DDG search plugin to make the actual query be the last parameter in the address bar for easy editing after a search has been performed.
Removed some unused update channel code.
Updated branding to more clearly indicate Pale Moon's trademark.
Updated some licensing texts in-browser to properly reflect used code and rights.

Security/privacy fixes:

Added a preference network.stricttransportsecurity.enabled to enable or disable the use of HSTS (HTTP Strict Transport Security), allowing users to choose between privacy and security in this matter. (hidden pref)
Fixed CVE-2014-1589 by whitelisting XBL bindings that may be applied to untrusted content.
Important: extension developers should read this related thread.
Fixed CVE-2014-1593.
Mac: fixed CVE-2014-1595.
Fixed CVE-2014-8639 by adjusting cookie handling through proxies.
Fixed CVE-2014-8636.
Fixed several memory safety hazards that do not have CVE numbers.