Firefox 145.0 is out! Removed 32-bit Linux Support

After 9 Beta releases, Mozilla Firefox 145.0 is finally available to download.

The new browser version introduced new phase of privacy protections. For Private Browsing or when using Enhanced Tracking Protection set to Strict, the amount of Firefox users track-able by fingerprinters is reduced by half. See this page for more details.

In addition, Enhanced Bounce Tracking Protection stateless mode is now enabled by default in ETP Strict, blocking more advanced tracking techniques based on redirection.

Firefox 145.0 improved PDF editing by adding comment support. By selecting the desired text or area in your PDF content, it will show a small pop-up menu with option to add, remove, or edit comment. And, a comment/message icon is added to tool-bar with ability to view all the comments.

The release also improved tab group support. For the collapsed tab groups, simply hover over a tab group name will show a preview of the tabs inside without opening it.

The built-in password manager now can be accessed from the sidebar. Simply open settings from the side-bar, then enable “Passwords” option under Firefox tools, you can finally access and manage your saved passwords without opening a new tab or window.

Access and manage passwords from sidebar

For most Windows users, a small desktop launcher program is introduced to replace the existing desktop shortcut. If Firefox is installed, the desktop launcher will launch it. If not, it will prompt the user to install Firefox.

In General settings page, a new “Open links from apps next to your active tab” option is added. With it enabled, links from other applications will open next to your active tab in Firefox instead of at the end of the tab strip.

Other changes include:

Remove 32-bit Linux support.
Extensions button now shows description and link to Firefox Add-ons store, when no extensions are installed.
Use Zstandard compression for local translation models.
Improved translation experience when translating between languages with different script directions.
New brand-inspired wallpapers for new tab.
Update default automation preferences to better support Agentic browsing
Add support for Atomics.waitAsync proposal.
Support the new Integrity-Policy header for enforcing sub-resource integrity for scripts.
Improve Matroska support for the most commonly used codecs: AVC, HEVC, VP8, VP9, AV1, AAC, Opus, and Vorbis.
Add the text-autospace property support.
Add the WebGPU DOM API for macOS 26 (Tahoe) on Apple Silicon.