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Pale Moon (64-bit)

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Pale Moon 31.3.0 (64-bit)

  -  34.2 MB  -  Open Source
Free Download

Security Status

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Pale Moon 31.3.0 (64-bit).


For those interested in downloading the most recent release of Pale Moon (64-bit) or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

Download Pale Moon 31.3.0 (64-bit)

  • Pale Moon 31.3.0 (64-bit) Screenshots

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    Pale Moon 31.3.0 (64-bit) Screenshot 1
  • Pale Moon 31.3.0 (64-bit) Screenshot 2
  • Pale Moon 31.3.0 (64-bit) Screenshot 3

What's new in this version:

Changes/fixes:
- Implemented .at(index) JavaScript method on built-in indexables (Array, String, TypedArray)
- Implemented the use of EventSource in workers
- Enabled the sending of the Origin: header by default on same-origin requests
- Changed how Pale Moon is built. We are now using Visual Studio 2022 on Windows, and have made build system changes to reduce build times and pressure on the linker on all platforms
- Changed how Pale Moon handles standalone wave audio files (.wav). See implementation notes
- Improved string normalization
- Updated the handling of CSS "supports" to now accept unparenthesized strings (spec update)
- Updated the handling of flex containers in web pages for web compatibility
- Fixed various issues when building for Mac OS X
- Fixed various C++ standard conformance issues in the source code
- Fixed several issues building on SunOS and Linux with various configurations and gcc versions
- Fixed an issue with regular expressions' dotAll syntax and usage. See implementation notes
- Switched custom hash map to std::unordered_map where prudent
- Cleaned up and updated IPC thread locking code
- Removed spacing for accessibility focus rings in form controls to align styling of them with expected metrics
- Removed the unnecessary control module for building with non-standard configurations of the platform
- Removed the -moz prefix from min-content and max-content CSS keywords where it was still in use
- Security fixes: CVE-2022-40956 and CVE-2022-40958
- UXP Mozilla security patch summary: 2 fixed, 11 not applicable

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