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Latest Firefox Update 138.0.1 Won't Allow For User's Background Color

It is a required common practice to let a user's browser color selections to be used by websites that allow it. Not everyone enjoys looking a "forced white background color" or some other "light color" for that matter, specially w/ all of the million...

We did an update, now this

For a bit of context, to help you understand what's happening. I updated the browser, but the program thinks it's in a tablet, not a phone. Now I've got a taskbar (floating) but until I can get enough room to swipe can't see anything. How can I get...

thunderbird linux 139.0 outlook.com：Enter a new password without the input window popping up

When sending an email, the password is incorrect, and the Enter new password button is selected, but the input box does not pop up. Watch the screen recording。发送邮件时，提示密码不正确，选择输入新密码按钮，没有弹出输入框。看录屏。

Sent message also stays in Draft

When I send a message into my mailing group, I also send a copy to myself because Gmail doesn't show my messages in that group. So I send a copy to myself, too. But sometimes a copy appers also in Draft and sometimes also in Deleted messages. Why?

Creating a Web App to Visualize Vinyl Kitchen Worktop Wraps – Advice on Best Practices?

Hi Mozilla community! I'm working on a web-based visualization tool where users can preview different vinyl wrap kitchen worktops design before committing to installation. The idea is to allow people to upload a kitchen photo and apply various vinyl ...

Resolved! Firefox has v-sync video playback issue

The video playback on firefox has obvious v-sync issues, when videos playing like netflix or youtube etc, the video has a horizontal band of mismatch, likely a v sync problem, especially when the camera is moving fast. Chrome or edge were a lot bett...

firefox android : tab reload immediately when switch to other app , even return to firefox in senconds. this is serious problem , hope to fix it

After deleting one mail, TB must be restarted as the inbox is empty

This problem already existed in 2024, then gone - now back since May 2025.When deleting mail(s), the inbox get's empty (as well as sent box) and Thunderbird must be restarted. After restart all is fine again.

Promoting TEMU?!

I recently made Firefox my browser. But when I saw that you, Mozilla, are promoting TEMU I made the decision to stop using Firefox! How can you promote a company that is widely known for it´s destruction of the planet and the climate?? Not to mention...

Mozilla want some RAM i guess

Many people may know, or have experienced having Firefox take up almost all of your RAM, and, it also uses 3x more than garry’s mod when you’re smashing a thousand boxes would. Does anybody know how to fix this issue?? Because I always have to end ta...