Firefox’s AI Kill Switch Lands in Firefox Nightly, Slated for Firefox 148

Firefox’s AI Kill Switch Lands in Firefox Nightly, Slated for Firefox 148

Written By
MN
Marcus Nestor
Feb 19, 2026

In December 2025, when Mozilla appointed its new CEO, the company developing the popular Firefox web browser revealed that it was working on an AI kill switch that would let users completely disable all the AI features that had been included in the past few releases, estranging more and more loyal users.

MN

Marcus Nestor

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