When accessing the Entitree admin page to browse the locations, you can't expand the menu for each location. This prevents adding or editing the locations. This only started happening after updating the Gin Admin Toolbar to RC1 (from beta 22).
Not sure why this is happening now (there's nothing obvious in the Gin Toolbar source).
Nothing special, just navigate to the Entitree Locations browser and click the downward arrow on Entitree Site Root.
It looks like this is a problem with the entitree.js file's Drupal.behaviors implementation. Limiting the context seems to help so maybe this needs to use once() or something similar.
When inspecting the DOM and adding some logs to the JS, it looks like the click events are just running too many times.
Fixed
1.0
Code
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
The fix for this was to call the event instantiation with once and update the JS and libraries.yml to support this.
Automatically closed - issue fixed for 2 weeks with no activity.