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Firefox is now always in Full screen screen mode when starting it. How to change this ?

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pa10
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When I open Firefox, since last upgrade 13-november-2025(version 145.0) it's always in full screen ! I hate this configuration and I want to come back to the previous "normal" starting configuration. Everytime I open Firefox I must do "F11" now. How can I do ?

When I open Firefox, since last upgrade 13-november-2025(version 145.0) it's always in full screen ! I hate this configuration and I want to come back to the previous "normal" starting configuration. Everytime I open Firefox I must do "F11" now. How can I do ?

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