Pale Moon 15.4 released

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.


  • 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 15.4 is a bugfix update that addresses a number of security, stability and performance issues:

  • Deal with bogus Turktrust certs MFSA 2013-20
  • Several memory security hazards fixed MFSA 2013-01
  • Updated OTS library to r95 to fix potential font-related exploits
  • Security fix for libpixman stack buffer overflow
  • Fix for certain types of input lag on Twitter/Facebook & other sites with unnecessary DOM invalidations
  • Fix for HTTP pipelining re-use (improve pipelining logic)
  • Performance&stability updates to cairo and direct2d back-end
  • Improved performance for repeat gradients

Download: Pale Moon 15.4 | 13.4 MB (Freeware)
Download: Portable Pale Moon 15.4 | 15.4 MB
Download: Pale Moon 15.4 x64 | 14.8 MB
View: Homepage | Release Notes

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