Vivaldi browser and extension 2026.5.0 -- side panel keeps opening

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1

Hi,

Since the update to 2026.5.0, the Vivaldi sidebar opens when I log out of Bitwarden.

Bitwarden automatically locks itself after a while. As soon as that happens, the Vivaldi sidebar opens. This has only been happening since the Bitwarden update to 2026.5.0. Is this happening to you too?

Vivaldi: 8.0 Build 4033.35

Bitwarden Browser: 2026.5.0

Greetings

2

Hi, I have the exact same issue! I thought Iā€™d accidentally changed some settings or was going crazy. Itā€™s definitely not just you; they must have broken something with the latest update.

3

Thanks for reporting, just to double check, it sounds like youā€™re experiencing this issue previously affecting Firefox? Does this issue persist with a fresh installation?

4

The issue with Firefox sounds similar. I always keep the sidebar closed or minimized in Vivaldi. I donā€™t really use it at all. Whenever BW locks up, the sidebar pops up immediately. Itā€™s annoying.
The same thing happens on another PC, where everything is basically a fresh install.
This has definitely only been happening since version 2026.5.0.

5

Yes, the issue sounds similar. However, when the sidebar pops up, a blank/white page (or rectangle) also opens from the Bitwarden icon. This also happens when manually clicking the Bitwarden icon in the sidebar.

The issue persists even with a fresh installation.

6

Thanks for confirmation, please either submit a Vivaldi specific bug report for the team to follow up on or share a detailed report directly with the support team.

7

I reported it now.

8

Same here with Vivaldi 8.0.4033.42 and Bitwarden 2026.5.1

9

:+1:

10

Iā€™m seeing it, too, and Iā€™ve added to the Github thread.

11

Bitwarden keeps opening the side panel, which is a blank disabled page. I keep trying to close it and remove the side panel button, but it eventually re-opens itself.

image
image399Ɨ608 7.15 KB

Side panel URI: chrome-extension://nngceckbapebfimnlniiiahkandclblb/sidepanel-disabled.html

Something must have changed in 2026.5.1. The side panel was merged last month in ā€œAutotriage merge candidate #20149ā€:

12

@XP1 Iā€™ve just moved your post into this existing thread on the same topic. ā€“ See aboveā€¦

13

Hello!
Any solution yet?

14

The team is working on a fix that should be available for everyone soon.

15

It doesnā€™t seem to have been fixed in version 2026.6.0.