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Bug when playing games in full screen - overlay of the color of selection for instance blue

Very recently Firefox started behaving weirdly when playing any game in fullscreen, webgl games I suppose, in full screen. On Facebook, on any website. When switching to fullscreen there is overlay, it behaves and looks like when you select something...

lags and crashes 115.24

lags and crashes 115.24 when i click on the right click to open anything in new tab program just freeze and lags

ERREUR 3000

Plein le cul la de votre Firefox, depuis 2 semaine ERREUR 3000 sur Twitch sans arrêt

How to change home page and new tab to desired URL or any extension of Firefox desktop in 2025?

How to change home page and new tab to desired URL or any extension of Firefox desktop in 2025?I am unable to find any way to change how my new tab should look when I click + sign or new tab is opened up on browser opening or re-opening unlike Chrome...

Purpose of MacOS background login item not identified

I am sure this is related to questions others have had, but my searches were unsuccessful. Updating Firefox on MacOS often askes me for the system password in order to install a helper. The dialog box says nothing about what it's installing, which i...

Disable Firefox menu when using global menu

I use KDE and enabled global menu.Please always hide firefox native menubar using global menu and focus on global menu when I push the key like Alt+F,E,V etc..When I click global menu , firefox native menu will be displayed. and When I push Alt+F,E,V...

Is There A Way To Remove Badges On This Site?

I find any site that uses badges is bad for productivity. Is there a way to disable them other than using an ad blocker?

Problemes with last upgrade 115.18.0esr, Avast is detecting Virus at every start of Firefox Browser

Stored Passwords missing after new update

I just downloaded 139.0.1 Firefox Release May 29, 2025, this morning 1 June... On Windows 11 Pro (laptop). Somewhere in the course of the update, Firefox has deleted/hidden/relocated 'Stored Passwords'... They must be there somewhere as have only ha...

I am missing the group tab already!

I was sad to see the tab group gone when I opened FF the other day. I run the website, registration, email and social media for my organization. Each day I opened the browser, clicked on the saved tab and voila! Everything I need to work was right th...