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After several hours of trying to figure out why a folder didn't show certain messages, I realised that I had selected a Custom View a few days ago and it still applied quietly when I selected that folder. This is not the first time I fall for it. Is there a way TB would show that a Custom View filtered out some of the messages? Eg the Custom View button could be depressed, or the background in the messages pane would be different, or something. As it is now, I think I won't use the feature again and save myself hours of scratching my head in the future.

Hello, We are in Morocco, where Time zone has become GMT+00 or UTC after the 20th Sept 2026, the IANA has already published this change within 2026c update, but Firefox browser desktop still using GMT+1 for Africa/Casablanca time zone.

I've installed the latest Firefox desktop update until now : 156.0.1 (64-bit)

test : console.log("Detected IANA zone:", Intl.DateTimeFormat().resolvedOptions().timeZone); console.log("Date.toString():", new Date().toString()); console.log("getTimezoneOffset() (minutes):", new Date().getTimezoneOffset());

result: Detected IANA zone: Africa/Casablanca debugger eval code:1:9 Date.toString(): Sun Sep 27 2026 13:41:40 GMT+0100 (GMT+01:00) debugger eval code:2:9 getTimezoneOffset() (minutes): -60

Hello, I was clicking random stuff and i accidentally turned off "Show notifications" in the syncronization thing

and now i can't turn it back on because to access that noticication setting i need the push noticication to send me there, but, you know.... I turned it off and i can't find any other way to access it. In the app settings from my phone's settings it only shows notification setting for any notification, not specific ones.

What do i do now? Please don't tell me i need to re- install it

Since our clocks/time went back one hour last weekend, Thunderbird for Mac is displaying the incorrect time. It displays the time as 1 hour ahead, effectively hasn't accepted the time change. The system time is correct, and Thunderbird is set to read system time. I have also tried changing it to "set manually" to our location, it makes no difference. Any assistance greatly appreciated.

I'm on Windows 11.

Moving Thunderbird to the system tray was working correctly in previous versions, but since the latest update to Thunderbird 1560.1, clicking X sends Thunderbird to the taskbar instead of the system tray.

Thunderbird is not pinned to the taskbar.

I have also tested the setting with the option disabled, restarted Thunderbird completely, then enabled it again and retested. The behaviour is unchanged.

Enclosed are jpg copies of the current sets of filters failures in my TB email program.

TB Error0 shows the 6 emails that have arrived and are placed in the INBOX. However, each of these has a corresponding filter set up to move them upon arrival to a separate subject email mailbox.

Note: If I highlight the INBOX and then go to Tools > Run Filters On Folder ... all of these INBOX email messages will be correctly filtered and moved to their respective email mailbox, BUT each of them is shown as having been "read" and unless you pay close attention, you may not know where these INBOX emails were sent.

I am also enclosing TB Error1 & 2 that show the last couple of days message filtering errors.

I can find nothing wrong with how each of these filters are set up, yet they seem to consistently fail to operate when new emails arrive.

Note one of them is for incoming emails from ... schiffsovereign.com. I have edited this filter repeatedly, even deleted it and re-input the information. Yet the filter never takes hold and does what it is designed to do. I am enclosing a jpg of that specific filter as TB Error3

I am looking for suggestions on how to fix this problem.

Thank you and best wishes,

/s/ James T Saint, CCIM COO

My Inbox folder has suddenly dropped to second last position in the folder list. How can I get it back to the top of the list? Is it possible to move the folders around?

156.0.1 RSS subscriptions function normally Clicking on "Manage Subscriptions" button in "Account Settings - RSS" does nothing. Running in Troubleshooting Mode doesn't help.

Thanks,

Steven

I am using Thunderbird on Windows, and I want to hide the yellow “Your privacy is protected” notification bar but still have the privacy protection enabled.

I tried to use a userChrome.css in my Thunderbird profile; here is the path; (C:\User\AppData\Roaming\Thunderbird\Profiles\lz1po89m.default-release\chrome\userChrome.css). I also set toolkit.legacyUserProfileCustomizations.stylesheets to true, but the customization does not work.

If anyone can please help and/or advise me on the correct procedure or CSS selector for this version I would be very much appreciated.

Hi,

I used to scroll up in current message using Shift+Space, but it stopped working for a few days now. it's not mentionned in moving around TB, so I don't know if it was normal behaviour or a feature added by TB's arch maintainer.

Hi,

In my one account in Thunderbird, I still have the old POP folders, that was a different account. I also have an IMAP account, both have the same address. The pop one does not work but the folders are there, I use them to look old mails up, so far so good. When I sent out an email with my IMAP account, the sent mail goes into the sent folder of the IMAP account, so far so good. BUT when I click on that sent mail and click on reply, it replies to the same address that what it already was sent to, now here comes the problem. THAT copy of the mail, I called the NEW sent, does not go into my sent folder. It goes directly into the sent folder of my old pop account. Even though everything on the IMAP account is standard, re-sent mails are not placed in the IMAP account sent folder. What am I doing wrong here, I know when writing the mail is that I can choose the send address and if I change that it goes in the IMAP sent folder but why is it standard on my old POP account, and why not on the IMAP account even though the IMAP is the standard?

I have Firefox as my default browser on my Android phone. But when I try to open certain things it tells me that Chrome is outdated and I need to use Firefox. I'm confused.

When you go to the "Help and Support" section, a link for transferring data to another device appears. It clashes with the overall design and is annoying. Please remove it.

Until a couple of days ago, I could single-click on a message and the contents would show up in a column in the same window. Now (presumably because of an upgrade to 156.0.1) this does not work. I have to double-click and then the message appears in a new window or tab ... which I then have to close. Very irritating! The earlier way meant that I could quickly scan through messages with far fewer clicks. Is this how it is now or is there a setting I could use to revert? On my other computer, I still have release 154.0 and I see the earlier (good!) behaviour! Help!