Firefox 145 release notes for enterprise admins

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Firefox 145

Released 11 November 2025.

These changes apply to Firefox 145 and Firefox ESR 140.5.0 unless explicitly stated.

Mozilla has introduced Firefox Support for Organizations, a support offering for enterprise deployments of Firefox.

New in Firefox 145

• LocalNetworkAccess: Configure local network access security features. Does not apply to the ESR.

Changes

• GenerativeAI: Added an option to enable or disable all generative AI features.
• EnableTrackingProtection: BaselineExceptions and ConvenienceExceptions can now be set in strict mode. Does not apply to the ESR.

Fixes

• GenerativeAI: The Chatbot option did not turn off generative AI in the page context menu. (bug 1994791)