Link cards/notes and preview them in extra window [Official thread]

causes crash on Anki 2.1.43 on Mac, Big Sur.

Crash happens when clicking on the “browse” tab, after starting Anki.
Disabling the add-on restores functionality to browse button.
Enabling add-on makes the error appear again.

Uninstalling and installing again does’t solve the problem.

content of debug window:

Error
An error occurred. Please start Anki while holding down the shift key, which will temporarily disable the add-ons you have installed.
If the issue only occurs when add-ons are enabled, please use the Tools > Add-ons menu item to disable some add-ons and restart Anki, repeating until you discover the add-on that is causing the problem.
When you've discovered the add-on that is causing the problem, please report the issue on the add-on support site.
Debug info:
Anki 2.1.43 (0fbae6bc) Python 3.8.6 Qt 5.14.2 PyQt 5.14.2
Platform: Mac 10.16
Flags: frz=True ao=True sv=2
Add-ons, last update check: 2021-04-15 13:45:36

Caught exception:
Traceback (most recent call last):
File "aqt/webview.py", line 36, in cmd
File "aqt/webview.py", line 135, in _onCmd
File "aqt/webview.py", line 580, in _onBridgeCmd
File "aqt/toolbar.py", line 169, in _linkHandler
File "aqt/toolbar.py", line 187, in _browseLinkHandler
File "aqt/main.py", line 1067, in onBrowse
File "aqt/ **init** .py", line 101, in open
TypeError: **init** () got an unexpected keyword argument 'card'