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Overheating of Android phone when using Firefox

I am using Firefox for Android for long time and in recent months I realized that while I use Firefox, my phone is a little bit hot. Not too hot to cause any serious concern, but still hot as it do something intensive. Normally it would not cause con...

Tabs Preview: How do I turn it off?

While this new feature may be useful to some or even most users, I have found it to be an annoying hindrance to my personal productivity. Is there an easy way to disable it?

Firefox auto update led to crash in Google Meet

Today morning (Jan 20, 2026), my Firefox on Windows11 auto updated itself just before an important meeting. Subsequently, when I joined the important Google Meet meeting, Firefox crashed. I had to recover by restarting Windows. My important meeting g...

Facebook asks for passkey and Windows asks me to insert an USB even if that is not a configured login option

Facebook asks for passkey and Windows 10 asks me to insert an USB even if that is not a configured login option. I see from a search on the net that similar issues happend with Edge and Chrome. Even if USB key is not a configured login option they ke...

Update to 147.0.1

My (PC) Firefox broke after the upgrade to 147.0.1. Webpages would not load. Clearing the cache, temp files and rebooting my PC was of no effect. My solution was using Chrome to download the Firefox installer and install Firefox over itself.In fact, ...

Firefox developer edition 148.0b3, unable to switch profiles from the hamburger menu, all old profiles are gone

148.0b3, all old profiles are gone, nothing in about:config either, after the update i was dropped into a brand new profile, unfortunatly all my old profiles were gone, going to the folder the profile folders are still there but not present in about:...

Tabs rapidly closing with control+w

This has only become an issue within the last couple weeks, if memory serves. Tapping control+w to close a single tab is now closing multiple tabs in very rapid succession before it is possible to release the keyboard shortcut. Holding control+w wil...

Security of tokens or cookies - Risk

When I use Firefox each instance that I open creates one or more, typically more execution threads.If I have two instances open, it is not unusual for there to be six or more processes running.The risk I see is that if I authenticate to a secure webs...

Fox 147.0 UI, Overlay, ghost clicks, no interaction, CSS layer

Firefox 147.0 is not working on many websites, Problem UI, input, Login overlay not clicking, ghost clicks, no interaction and CSS Layer bug after update. What is the solution?