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was recently forced to upgrade to winblows 11.. in the previous version of Thunderbird, 102.2 64 bit, I could follow these instructions to background colors in the various panes .

https://support.mozilla.org/en-US/questions/1389364

Now with version 115.0, I am having issues getting it to work.

the CSS file I am using is

1. threadTree > treechildren {

 font-size: 16pt !important;
 font-family: Times !important;
 background-color: lightgrey !important;
 color: navy !important;

}

1. folderTree > treechildren {

 font-size: 16pt !important;
 font-family: Times !important;
 background-color: lightgrey !important;
 color: navy !important;

} after I follow the instructions, carefully, nothing happens. see screenshot attached...

I have 2 questions:

1 - what am i doing wrong? 2 - In the attached screenshot, how can I get rid of that toolbar in green on the left?

In Thunderbird 115 (Supernova) is there a way to configure the Message list view so that it has grid lines, or "zebra striping"? I find it easier visually to look at.

Thanks!

Hi all,

Just upgraded to Thunderbird 115(from the last Non beta version).

I have multiple email accounts.

When I click to the inbox off one of my gmail accounts it does not display to the last message received. Thunderbird opens to a message about 1/4 up into my inbox.

I have a second gmail account and this behavior does not occur.

I'm sure its a easy fix, I just can't figure it out .

James

After upgade Thunderbird to 115.0.1 version, all my outlook.com email accounts encounter an error:

Warning: Potential Security Risk Ahead Thunderbird detected a potential security threat and did not continue to account.live.com. If you visit this site, attackers could try to steal information like your passwords, emails, or credit card details.

What is the problem? Doesn't TB support outlook.com accounts anymore?

thanks.

The 'Message Header' is the area above where the message content of an opened email is displayed. It typically contains a set of buttons - Reply, Forward, Archive, Junk, Delete and More It shows From, To, Subject and Date It may show other information depending upon settings and type of email.

Do you find the spacing between eg: the 'From' line and the 'TO' line is too much? Do you want to reduce this gap? If yes, then the following information may solve your problem.

Hi, I'm using the latest Thunderbird 115.0 on Windows 11 and use the program with the Preview Pane turned off all the time.

Since I installed 115, when new mail comes in and I click on the notification banner, it brings me into Thunderbird and turns the preview pane back on.

Thanks

Frank Woolf

Most of my work life is in email. Over 25 years (starting with Mulberry) I have built up a custom IMAP folder hierarchy that makes work manageable, but Thunderbird 115 has broken this, now displaying nested subfolders at the top level sorted alphabetically. See the images for before and after. For example, there are now three "Administrative" folders that were formerly classified under superordinate folders for my roles as lab leader, graduate program chair, and departmental faculty member. Persons who used to be in Colleagues or Students subfolders are now at top level. Inexplicably, a few folders retained their hierarchy but most are flattened out. Now I need to scroll through hundreds of folders (have not counted recently but in the late 2000's I had over 500.)

I was able to revert to 102.14 using backups, but will be stuck with this version for the rest of my career unless Thunderbird fixes these problems. Thunderbird is so important to me that I make an automated monthly donation to the project, but will have to cancel if this is not fixed.

If anyone has found a work around please LMK. And Thunderbird team, please acknowledge and LMK whether this will be addressed or are IMAP users left behind?

Thanks, Dan Suthers

After the automatic upgrade to 115.2.2, I have lost access to all my folders, emails and calendar entries. But I can still see my addresses by using Tools/Address Book, and my filters by using Tools/Message Filters.

When I started Thunderbird for the first time on 115.2.2 I got to the usual message page which had all the tabs of the "open" emails I had when I last closed Thunderbird. But there was no sign of my folders and I couldn't get to any other messages (See first screenshot). I also had a second occurrence of Thunderbird running (I could have hit the icon a second time) that didn't show the tabs I had on the first screen. (No screen shot)

On a previous post here https://support.mozilla.org/en-US/questions/1424153 it was suggested that I try Troubleshoot mode. That made no difference and at that time I had no folders showing, and just two tabs. I suspect after that I deleted the tabs.

Now I get a completely blank page in what is usually the message/folder area. Also the button for the address book above the message pane has now gone disappeared (Second screen shot), and I can find no way of accessing my previous (10years+ of messages).

It looks to me as if something is wrong in the profile.

Where do I go from here?

It is annoying when a redesign of Thunderbird (Supernova) says it gives maximum customization options, but in fact moves something - the Thunderbird/Application Menu icon (hamburger button) - whose position apparently can't be customized!

How can I move the Application Menu (three-bar, hamburger menu) from the right hand side to the left hand side in Thunderbird 115.2.2?

The following CSS code (inside userChrome.css, inside a newly created chrome folder in my profile) works for my Firefox program, but apparently does not work for Thunderbird 115.

/* Move the APPLICATION MENU, 3-bar button, to the left & change its color */

#PanelUI-button {
 order:-1 !important; 
 color: yellow
 }

Can anyone please tell me what the CSS code is to move the position of the Thunderbird/Application Menu? Many thanks, Rick

Yesterday I tried the 115 (Supernova) and I was disappointed because of the toolbar on top of the TB window: I think that you should let the user choose where put any toolbar, and I didn't find the way to move in its "classical" place (not at top but below the menu). There is a way to do it? And if not, please consider to give it as soon as possible.

What is going on with the new TB client? I now have no access to my Sent mail. Nothing showing in Unified Sent mail and no more access to individual account sent folders. Major mistake upgrading. To elaborate, the Unified Send folder has never displayed sent messages and this is a known issue in bugzilla. But we have had the option to expand this folder to show the individual send folders in order to view sent messages. Now, there is no way to expand this folder, so the only way to view sent messages is to choose All Folders from Folders Mode. This defeats the purpose of Unified Folders. It's a step backwards. If there are no plans to address the Unified Send folder, then why was the option to expand it removed. Makes no sense.

Hi, I have Thunderbird 115 on a Linux Manjaro installation with several email accounts. Everything worked just fine until my last working day. I came back today, Manjaro did a general update including Thunderbird (to 115.2.0-3) and now I have an issue with it. The "message list pane" is not showing any messages in neither account. Synchonisation is fine. The number of read/unread messages in the folder pane changes automatically when I do something in the webmail (e.g., Gmail). In addition, I can search for any messages in the general search, including the ones just sent/received. (But if I search for messages, I get the message "msgWindow.domWindow.gMessageDisplay is undefined" in the status bar.) Filter is not working though. I have already checked if I have accidentally selected any filter feature that conceals all messages. It doesn't seem to be the case. I have also checked in the Manjaro forum and it doesn't look anyone has had issues with it, so it doesn't seem to be a global problem.

Could anyone help me in this? Thanks!

Server: smtp.office365.com Port: 587 Connection: STARTTLS Authentication: OAuth2

A browser looking window opens up with a long URL in it (https://login.microsoftonline.com/common/oauth2/v2.0/authorize?response_type=code&client_id=xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx&redirect_uri=https%3A%2F%2Flocalhost&scope=https%3A%2F%2Foutlook.office365.com%2FIMAP.AccessAsUser.All+https%3A%2F%2Foutlook.office365.com%2FPOP.AccessAsUser.All+https%3A%2F%2Foutlook.office365.com%2FSMTP.Send+offline_access&login_hint=xxxxxxxx%40hotmail.com) the windows is just blank and the dialog box for sending opens. The browser window shuts and the sending dialog box just sits there.

It ends up timing out saying it can't connect to the smtp server. I cannot send any e-mails at all. Please help or advise. Thank you!

The upgrade 115.3.1 (32-bit) is unsatisfactory to many people. For me, the worst part is the superhuge message display. I can't seem to be able to reduce the size/font of the displayed message. Other people seem to have the same problem on your "help" site. This kind of display makes it impossible to skim a major part of a message before deciding whether to open it or not. Can you please tell me if this can be fixed and/or if I can get back to the prior version of Thunderbird? I support Mozilla and Thunderbird, but this is the first time I'm really disappointed by an update. Sincerely, Jane [removed phone# and email from public support forum]

As of version 115.0 for 64bit, I am unable to send emails to Outlook.com. An error occurs saying:

Send Message Error Sending of the message failed. The message could not be sent because the connection to the Outgoing server (SMTP) smtp.office365.com timed out. Try again.

There are no issues sending emails to Outlook.com using a different mail client.

I'm having an issue that's related to 115 as I didn't have this problem on 102. This is also not related to gmail, live.com, icloud or other exchange accounts, only my IMAP accounts are having this problem. I have it set to a unified folder and I display both sent and inbox in the thread. Some of the items in the inbox show twice and some, if not most of the items in the sent folder on the thread show twice as well.

Manjaro 23.0.0 Thunderbird 115.0.1

Before the update to Supernova, Thunderbird light theme used the system color for the UI elements highlight. In my case, green. Now it is blue everywhere, which irritates my eyes. I attached before and after images, so you have an idea. Can I get back the green?

I updated Thunderbird to Verson 115, now 115.01. The global search shows result, but when opening messages, tab is empty. Search result list is also empty. I already rebuilt global-messages-db.sqlite.

Attached error console log.

BR Stephan

Hi Team, I download the latest update i.e. 115 for the official web site but new ui isn't reflecting. please help. I loved the new UI Supernova but even after installing the latest version I am not able to use it. it is still showing the email in the old way.