Firefox 153.0.3: Maintenance Update Fixes Known Installation Bug

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Mozilla has released Firefox 153.0.3, a maintenance update that patches a nagging installation bug from the previous release along with a handful of other fixes. If you use Firefox on Windows, this one is worth grabbing sooner rather than later.

What's New

• Fixes the known Windows install-corruption bug: Launching Firefox while a partial update was still being applied could previously corrupt the installation and prevent Firefox from starting again. That issue, introduced in 153.0.1, is now resolved.
• Smart Window improvements: Better suggestions make it easier to find history and switch between tabs. The assistant now also pulls in search results from Exa Web to answer user queries, and tabs added to a prompt via an @-mention are now correctly passed to the assistant.
• Media playback fix: Resolved an issue where audio and video on sites loading media via a blob URL wouldn't play, or would hang when seeking.
• Desktop shortcut security warning fix: Internet shortcuts dragged from Firefox to the Windows desktop were incorrectly flagged as untrusted, triggering a security warning every time they were opened. That's now fixed.
• Sidebar fix: Bookmarks, History, and other sidebar panels could fail to open when the sidebar was hidden and the password manager had been disabled via enterprise policy, now corrected.
• Mozilla VPN upsell fix: Users in regions where Mozilla VPN isn't offered were incorrectly shown an upgrade prompt for it.
• DevTools stability: Fixed frequent Inspector crashes on pages where an extension's content script had added an event listener.
• Crash reporter fix: Resolved an issue where the crash reporter would quit after a failed startup handshake, which caused later crashes to go unreported.

No security vulnerabilities were addressed in this release, according to Mozilla's release notes.

Download

Firefox updates automatically through its built-in updater, or you can grab the latest installer directly from mozilla.org or check Firefox on UpdateStar for version tracking and download mirrors.