Browser randomly shows notes as deleted - has always resolved itself so far

Hello everyone,

my Anki has recently started to show random swaths of notes as ‘deleted’ in the browser - only for the issue to resolve after a restart.

Is this a known problem? So far it has only been a minor inconvenience, but I’m wary the problem might cause some data loss in the future. I know if it happens I could always revert to a prior backup, but it’s not ideal either way.

I’ve pasted the debug info below - AFAIK I’m not running any add-ons that affect the browser window.


Anki 2.1.50 (26d40c3a) Python 3.9.7 Qt 5.15.2 PyQt 5.15.5
Platform: Windows 10
Flags: frz=True ao=True sv=3
Add-ons, last update check: 2022-06-22 11:22:22

===Add-ons (active)===
(add-on provided name [Add-on folder, installed at, version, is config changed])
Anki Simulator ['817108664', 2021-08-07T21:24, 'None', '']
AnkiWebView Inspector ['31746032', 2022-04-08T21:44, 'None', '']
Leaderboard ['41708974', 2022-05-12T11:46, 'None', mod]
Mini Format Pack ['295889520', 2018-07-24T19:45, 'None', '']
ReColor ['688199788', 2022-03-02T17:11, '1.8', mod]
Review Heatmap ['review_heatmap', 2020-04-30T15:23, 'None', '']
Syntax Highlighting for Code ['1463041493', 2018-10-07T03:31, 'None', '']

===IDs of active AnkiWeb add-ons===
1463041493 295889520 31746032 41708974 688199788 817108664

===Add-ons (inactive)===
(add-on provided name [Add-on folder, installed at, version, is config changed])

Could you try to disable all your add-ons and see if you are able to reproduce the issue. Even though your add-ons and not supposed to affect the browser window, it doesn’t mean they don’t; and even if they didn’t, they might still be able to affect your collection in a way that could cause this behavior.


Also, newer Anki versions might tell you what the problem is, instead of just saying ‘deleted’.