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In "Language and Appearance" Dark theme is selected. Also in "Themes" the dark theme is selected. Some websites are displayed in light colours, despite this, which is an annoyance, but not yet a problem. The problem is the "light" websites are displayed in pink-ish palette, which seems to correspond to the default light theme. browser.display.background_color is set to #FFFFFF, so no pink here. privacy.resistFingerprinting, which should have no impact, but one help article suggest that it might interfere is set to false The problem appeared after the last restart, which may also mean the last update. Any ideas how I can make either the dark theme work properly or at least have the webpages displayed in their original colours rather then pink hue?

Hello, All my fav and password have defaulted on new PC (none have synced over). I have no access to my old PC that i use firefox sync account (always save pw and urls). Faulty harddrive. On my new PC i forgot my Firefox password so did pw recovery with my MFA. All fine but none of my fav and passwords synced over (over 200 urls and 50+ passwords)

I still have my original recovery key there is no options to enter this after firefox login on my new PC.

Please help.

Regards

Jason

After many years for whatever reason I decided to change my log in password using Thunderbird with Ionos.com and my S23 Samsung and my Windows 10. This was Saturday December 25, 2025. On same day my S23 and my email account using Ionos.com stopped receiving email sent to my Thunderbird email account. I called Samsung they were of no help except to change my password and tell me to log in again in an hour. This was done while my account was maybe still being looked at by Samsung helper. Today is Sunday what worries me a bit is everything in my email account could still be seen by technician who helped me or anyone else. I went for help this morning at Best Buy. Not much help. I tried to log into my Thunderbird and do not see my password and not sure if I should in using my Firefox log in. I am not receiving any emails to my email account on my windows 10 or S23. Please help be with what to do. And something else. How will I get reply if it is an email and I cannot see it??????????? Thanks

I have installed and started using Thunderbird for Android for a few weeks now. I'm loving it. There's one feature I miss from my previous e-mail client. I wish the App had that "Undo" feature where right after deleting an e-mail or archiving it and things like that you can quickly undo the action. In other clients, this is just a small popup that shows up for just a few seconds after you take the action. Many times I find that to be useful when you are quickly going through many spam messages, for example, but accidentally delete one you didn't mean to.

I can't find such a feature. Is it hidden somewhere, if not where can I make a suggestion for the team to add this? Thanks. -Eli

The bookmarks toolbar in the previous Firefox version shows the custom icons for each bookmark. After the update to version 146.0.1 the icons have all turned to generic line-drawn globes. There are a few exceptions, including Google Maps and Proton Calendar. However, other Proton bookmarks do not show properly. Is there a way to bring back the associated icons?

Hello Thunderbird community,

I’ve been exploring Thunderbird’s integration options and noticed that while email sync with Outlook accounts works fine, calendar and contact synchronization with Outlook/Exchange Online is currently unavailable.

This is a significant limitation for users who rely on Outlook’s ecosystem for scheduling and address book management. I’d like to ask:

Is there an official roadmap for when Outlook calendar sync will be supported in Thunderbird?

Will Outlook contacts sync be added at the same time, or as a separate feature?

I believe many users would benefit from clarity on this, since full Outlook integration is critical for those working in Microsoft-centric environments.

Thanks in advance to the Thunderbird team and volunteers for any updates or guidance.

It appears you can't hide Collections from home page like you can, say, for Bookmarks. Wondering why?

A suggestion and request (for the developers) give Collections its own page like Bookmarks, History, Downloads etc? And should not Collections be located in that same Settings area where these other categories are listed?

Thanks for considering this,

Keith

Sending of password for user xxxxxxxx@hispeed.ch did not succeed. Mail server pop.hispeed.ch responded: [AUTH] Authentication failed.

(PII redacted by moderator)

Sending of password for user lehmannc@hispeed.ch did not succeed. Mail server pop.hispeed.ch responded: [AUTH] Authentication failed.

I have my FF preferences setting as "Strict". But somehow Facebook people were able to hack into my FF account, and obtain my password for FB and other passwords? This comes directly from my Firefox preference page Red Warming Box includes & states on Sept 30, 2025 Facebook Hacked & Gained access to my account. Not a person, it states Facebook did it. And to change my FB password ASAP. So I go to my FB account go through their lame motions and they say they will not allow me to do so because I haven't used my account very long and they don't know if it is me trying to change my password. My question is what do I do now and how to prevent any social media outlet of simply hacking into my Mozilla account or my Firefox accounts? Please help. Seems like their should be a law against this type of intrusion gathering save password and etc.