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Pale Moon 31.4.0

Pale Moon

Pale Moon is an Open Source, Goanna-based web browser available for Microsoft Windows, Linux and Android, focusing on efficiency and ease of use. Make sure to get the most out of your browser!

Pale Moon offers you a browsing experience in a browser completely built from its own, independently developed source that has been forked off from Firefox/Mozilla code, with carefully selected features and optimizations to improve the browsers speed, resource use, stability and user experience, while offering full customization and a growing collection of extensions and themes to make the browser truly your own.

Features:

  • Optimized for modern processors
  • Based on proprietary optimized layout engine (Goanna)
  • Safe: forked from mature Mozilla code and regularly updated
  • Secure: Additional security features and security-aware development
  • Supported by our user community, and fully non-profit
  • Familiar, efficient, fully customizable interface
  • Support for full themes: total freedom over any elements design
  • Support for easily-created lightweight themes (skins)
  • Smooth and speedy page drawing and script processing
  • Increased stability: experience fewer browser crashes
  • Support for many Firefox extensions
  • Support for a growing number of Pale Moon exclusive extensions
  • Extensive and growing support for HTML5 and CSS3
  • Many customization and configuration options

Pale Moon 31.4.0 release notes:

This is a major development update, adding JPEG-XL image support among other things.

Changes/fixes:

  • Added support for the JPEG-XL image format.
  • Implemented regular expressions lookaround/lookbehind.
  • Aligned CORS header parsing with the updated spec. See implementation notes.
  • We no longer fire keypress events for non-printable keys. See implementation notes.
  • Added support for MacOS 13 "Ventura" in the platform, primarily benefitting White Star.
  • Fixed potentially problematic thread locking code on *nix platforms.
  • Fixed some small issues in the display and operation of the Web Developer tools.
  • Removed unused but performance-impacting panning and tab animation measuring code. (telemetry leftovers)
  • Improved code for SunOS builds.
  • Updated Internationalization data for time zones.
  • Fixed a buffer overflow for Mac builds.
  • Security issues addressed: CVE-2022-45411 and potential issues without a CVE number.
  • UXP Mozilla security patch summary: 2 fixed, 1 DiD, 1 deferred, 25 not applicable.

Implementation notes:

  • CORS support has been updated to the current spec. Most importantly, Pale Moon now accepts wildcard entries ("*") for the CORS statements Access-Control-Expose-Headers, Access-Control-Allow-Headers and Access-Control-Allow-Method. Note that wildcards are ignored (according to the spec) when credentials are passed.
  • Pale Moon will no longer fire the keypress events in content when the key pressed is a non-printable key. This is in response to issues where webmasters would use rudimentary and naïve input-restricting scripts in onkeypress handlers that would not take into account editing keys or navigation keys, causing issues for users trying to enter data into forms (and e.g. finding they could no longer use backspace, cursor keys or tab). This aligns our behavior with other browsers for web compatibility, although it should be considered a website error expecting not all keypresses to be intercepted in keypress events.

Download: Pale Moon (64-bit) | Portable 64-bit | ~40.0 MB (Freeware)
Download: Pale Moon (32-bit) | Portable 32-bit
Links: Pale Moon Homepage | Add-ons | Themes | Extensions

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