Observed in Umbraco 8.1.0 (local environment for Cloud site)
When I attempt to set permissions via group on a Content node, the initial dialog displays, but nothing happens when I choose the group I'd like to set the permissions for.
See video demo:
https://screencast-o-matic.com/watch/cqi6FDO2kZ
Thanks @hfloyd, that's not quite the user experience we were going for. We'll fix!
The problem with several all of these types of bugs was with this PR https://github.com/umbraco/Umbraco-CMS/pull/5609
I have reverted these changes https://github.com/umbraco/Umbraco-CMS/pull/5609#issuecomment-510709482
So all of these things work again.