New update broke my tab groups

Well, it’s doing it again… the suspended tabs are getting blanks, need manual restoring. Also, it started duplicating some tabs. And it doesn’t seem to load some extensions on startup, like ‘Disable HTML5 Autoplay’, and any of the tab suspending extensions I’ve tried.

This is getting to be a complete mess… I think I need to migrate from this trainwreck to somewhere… not sure if it’s Chromium related, or Brave issues, but I can’t use it this way anymore.

Update: This will keep happening whenever you close the browser. It’s an absolute mess.

Thankfully IckyrisARL workaround works as a charm. Though this just makes me want to migrate to another browser. (Was gonna say “better”, but honestly the devs have nothing to do with this when it’s most likely google’s fault)

I did not have vertical tabs enabled.

The version I have today is:
Version 1.75.178 Chromium: 133.0.6943.98 (Official Build) (64-bit)

Unfortunately, this only works in certain instances. For those of us whose tabs completely disappeared it will do little.

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Weird, tabs do completely disappear for me, but since i have the extension save every hour, i can check directly the amount of tabs that disappeared between hours and then restore those. Granted, it’s not the most intuitive, that’s for sure.

For anyone here encountering this issue, as I asked before, I need to know whether or not you had Sync enabled when the tab groups were lost. We have this issue open that is exactly what’s being described here but it is caused specifically by Sync being enabled:

There may be more than one issue at play here, but I first need to sort out which issues are affecting which users.

I have several profiles that I use daily, and have only noticed this happen on one of them. All have Sync Everything set, and that’s not changed in a long time.

I reported above that I had experienced all my tab groups missing in one profile when I opened Brave. Yesterday I noticed that one of several tab groups in that same profile had all of its tabs showing the New Tab Page. I don’t know when this happened, and they were all recoverable by pressing the Back button.

Unfortunately for this particular issue, information gathering is the best I can do here, and I do need a good amount of it. Right now, it appears as though for anyone who is encountering this, their tab groups “just disappear”. In order to make sure this issue actually gets resolved, we need as much information as possible to determine the cause.

The issue we’re trying to solve is why some users tab groups disappear(ed). Whether or not you’ve already provided this information in this (or another) thread already please provide it again as it would be extremely helpful to know the following:

  • Does this issue reproduce consistently? That is, are you able to close the browser or perform some action that consistently causes your tab groups to disappear? If so, please share the steps you take to reproduce the issue.
  • At the time the tab groups disappeared, did you have Sync enabled? If so, do you still have it enabled now?
  • At the time the tab groups disappeared, were you using vertical or horizontal tabs?
  • Do you have any extensions installed int eh browser at this time? If so, can you please share which ones?
  • Do you have any flags enabled in the browser (brave://flags)? If so, which ones?
  • What version of the browser were you using when this occurred?
  • Did/Does the browser generate any crash reports when the issue occurred/s? If so, sharing the crash report IDs would be helpful.

I will be opening an issue for this shortly but it would be helpful to our devs to have the above information up front.

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  • Does this issue reproduce consistently? That is, are you able to close the browser or perform some action that consistently causes your tab groups to disappear? If so, please share the steps you take to reproduce the issue.

It’s only happened once.

  • At the time the tab groups disappeared, did you have Sync enabled? If so, do you still have it enabled now?

Yes, yes.

  • At the time the tab groups disappeared, were you using vertical or horizontal tabs?

Vertical

  • Do you have any extensions installed in the browser at this time? If so, can you please share which ones?

Several not from the web store, and

Better Bookmarker
ighoahmfodeijcamlhoodoglhjdcgflf

Live Stream Downloader
looepbdllpjgdmkpdcdffhdbmpbcfekj

Old Reddit Redirect
dneaehbmnbhcippjikoajpoabadpodje

Open Multiple URLs
oifijhaokejakekmnjmphonojcfkpbbh

QR Code for Tabs, Links and Text
lhjggoionaflpacagaopfdkjnacakoai

Recently Closed
khiocfdofmabcpofejbffpbocoabcjib

Reveal RSS Feeds
kmajpolcnelfjfilkkjkmhiiflhfglla

Scratchpad
khkjjphjlmjloplmcmpphalnlboajeha

Search This Site
popgfencdodkoejchgpmmnmgnhnbajmd

Session Buddy
edacconmaakjimmfgnblocblbcdcpbko

Suspend Tabs at Startup
dhgmempheoefomjckiihacjicbecjbae

  • Do you have any flags enabled in the browser (brave://flags)? If so, which ones?

Updated horizontal tabs design

  • What version of the browser were you using when this occurred?

1.75.175

  • Did/Does the browser generate any crash reports when the issue occurred/s? If so, sharing the crash report IDs would be helpful.

No.

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I just noticed that I have this problem as well.
OS: MXLinux
Sync: Disabled
Vertical Tabs: no

All but one tab from some groups are gone. Is there a way to restore this, or am I just stuck with most of my tabs being gone?

@Uplus200B in order to help us root out and resolve this issue, can you please provide the information requested above?

Does this issue reproduce consistently?
So far no

At the time the tab groups disappeared, did you have Sync enabled?
No

Do you have any extensions installed int eh browser at this time?
Allow Right-Click, Get cookies.txt, KeePassXC, MetaMask, Return YT Dislikes, ShortsBlocker, SponsorBlock, Über simple bookmark count

Do you have any flags enabled in the browser (brave://flags )?
I never changed anything. Should be the default

What version of the browser were you using when this occurred?
1.75.175

Did/Does the browser generate any crash reports when the issue occurred/s?
No idea, since I just noticed it and I have no idea when it happened

On a side note:
I now downgraded the browser, deleted all but the oldest session file and now have most of my tabs back. Some are still missing though, but much better than before.

  • Does this issue reproduce consistently? That is, are you able to close the browser or perform some action that consistently causes your tab groups to disappear? If so, please share the steps you take to reproduce the issue.

Unknown. I have not used Brave since I do not want to pollute my tab history or have something overwritten - in the off chance that I may be able to recover my tab groups.

  • At the time the tab groups disappeared, did you have Sync enabled? If so, do you still have it enabled now?

Sync data only for Bookmarks.

  • At the time the tab groups disappeared, were you using vertical or horizontal tabs?

Horizontal.

  • Do you have any extensions installed in the browser at this time? If so, can you please share which ones?

No extensions.

  • Do you have any flags enabled in the browser (brave://flags)? If so, which ones?
    I’m running all Default. There are some flags that are default Enabled, however.

  • What version of the browser were you using when this occurred?

1.75.175

  • Did/Does the browser generate any crash reports when the issue occurred/s? If so, sharing the crash report IDs would be helpful.

No - However, if they are in a folder somewhere, please give the location.

EDIT: Good Grief! I’ve been stuck using Edge and the sheer amount of ads make me nauseous. The Internet is completely UN-useable. Please bring Brave back (with my tab groups intact!!!)!!!

Edit 2:
Two other important notes about this bug:

  1. On a Windows 11 machine in my home I also use Brave. That browser had two tab groups and a handful of tabs. One group was closed, the other open. No tabs or groups were removed.
  2. Brave on Android 14: just a couple of days ago the browser reset and deleted all open tabs. I did not have any groups open (nor do I think one can have groups on Android.) See: All my tabs disappeared - Browser Support / Mobile Support - Brave Community

@NotHappy

Always Be Prepared


The initial Brave Browser Profile is, by default, named “Profile 1” (unless you change that namebrave://settings/getStarted).

The folder that contains the initial Brave Browser Profile, is the Default folder (a name that you must not change):

C:\Users[UserName]\AppData\Local\BraveSoftware\Brave-Browser\User Data\Default\



Notice the Brave-Browser folder? Make routine, daily, chronological backups of that folder.



If you create 1 additional Profile (aka “Profile 2”), it will be stored in folder Profile 1:

C:\Users[UserName]\AppData\Local\BraveSoftware\Brave-Browser\User Data\Profile 1\

If you create a 2nd additional Profile (aka “Profile 3”), it will be stored in folder Profile 2:

C:\Users[UserName]\AppData\Local\BraveSoftware\Brave-Browser\User Data\Profile 2\


IMPORTANT - Replacing Profile folders

When replacing Brave Browser Profile folders:

Folder named Default (including its contents) can only replace its likeness: the folder named Default.

Folder named Profile 1 (including its contents) can only replace its likeness: the folder named Profile 1.

Folder named Profile 2 (including its contents) can only replace its likeness: the folder named Profile 2.



I am always prepared to replace the Brave-Software folder.



@Mattches: I added a few extra notes to my reply above.

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We now have “bug” status. Excellent.

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I considered this myself, but abandoned the idea since it seemed the browser would automatically update back to the problem version.

Uplus200B: did your browser actually do this, that is, upgrade back to 1.75.175? And if so, did you encounter the issue again?

Thanks!

My Brave did not automatically update, as I am on Linux where I decide when to update not Microsoft or Apple.
It hasn’t happened again on 1.74.x, but for the time being I also don’t consider updating Brave to a newer version anyways until this is fixed, or a simpler workaround has been discovered.

Very nice. I’m jealous of the absolute control you have over application updating with Linux. Hopefully this will get fixed. Thank you.

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Hi folks - developer at Brave here. Thank you to everybody that has shared information here - it’s genuinely helpful.

For anyone with sync on, you could be losing the groups if you close on one device or if you leave the sync chain. This is a known issue (happens in Chromium - see https://issues.chromium.org/issues/391129955) and we are tracking a solution on our side with https://github.com/brave/brave-browser/issues/44014.

For people who DO NOT have sync enabled: we have an issue tracking this which you can find at https://github.com/brave/brave-browser/issues/44013

I’d like to clarify, we at Brave did NOT introduce a new feature or something like that which caused this problem. The tab groups code is at the heart of Chromium and this issue should be affecting other Chromium browsers also.

It’s definitely possible we (at Brave) made a mistake when upgrading Chromium versions - from 132 => 133 for example. I participated in that code review along with 133 => 134 and didn’t see anything on our side which can cause this. We make our changes on top of Chromium and if there was a bad patch (sometimes the upgrade has conflicts between Brave and Chromium) then that could be the culprit. The other possibility would be a bug in Chromium.

In either case, the information shared here helps us narrow it down. Thanks again for helping provide that.

If you run into this problem: the first solution I would offer is try pressing Ctrl + Shift + T. On macOS, I think this is Apple + Shift + T. This should restore the last closed tab or Window. You can also use the Hamburger menu (the three horizontal lines — in top right of Brave) and pick History and you should see the recently closed tabs / windows.

While it is noteworthy that earlier versions of Brave (ex: 1.74) did not have this bug, I would NOT recommend downgrading. Each Chromium upgrade that happens, there are versioned files in your profile (like sqlite databases) which get upgraded and may break if downgraded. Downgrading the Chromium version for a profile is unexpected behavior and you risk losing data.

One thing I am curious about: folks that run into this. Does it happen more than once? I did notice in recent changes to tab groups in Chromium that there has been a migration. I believe the tabs are stored differently now. For example, the groups will show under bookmarks toolbar. Once a person goes from Chromium 132 or earlier (Brave version 1.74 or earlier) to Chromium 133 (Brave version 1.75) they shouldn’t encounter this again.

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