Brave reopens wrong tabs on startup

Description of the issue:
When using the “Continue Where Left Off” On Startup setting for Brave, the browser is opening tabs that I had closed days before instead of the tabs I had open when the browser was closed.

I only became aware of this issue around two weeks ago, and was hoping it would fix itself in time, but it has not.

I have four tab groups, three of which are synced. I’ve noticed the issue primarily on my most-used synced tab group which is for YouTube.

I have my Watch Later playlist in the tab group wherein I go through it picking and choosing videos to watch. If I end up watching video 300, then close the browser, the next day I open the browser it’s on video 150 - which is no longer in the playlist as I removed it days prior. This is consistently happening at this point. It doesn’t even matter what webpage I leave the tab on, as the next time I open Brave it is back on video 150. To make matters worse, hour-long videos instead load back to prior watch time. If I watch until 2:00:00, then close Brave and reopen, I’m back at 0:15:00, which is what it was at when I first started watching, which was days ago.

I’m losing progress on websites and videos.

I noticed a prior issue talking about this: Brave reopens tabs I specifically closed myself from days ago instead of my last session however the issue was closed. The suggestion to disable extensions hasn’t worked, nor is it viable as I have many important extensions I can’t afford to leave disabled.

How can this issue be reproduced?

  1. Set “On Startup” to “Continue Where Left Off”
  2. Open a website
  3. Close and reopen Brave
  4. Navigate to new Website in same tab
  5. Close and reopen Brave

Expected result:
Brave should load the tabs and progress from the last session when closed.

Brave Version( check About Brave):
Version 1.74.51 Chromium: 132.0.6834.160 (Official Build) (64-bit)

Additional Information:

I turned off “Save Group” on the tab group, and the issue appears to have been resolved? It’s weird though, because when I initially created and ticked “Save Group” on the tab groups, I didn’t have this issue. It only started occurring recently.