Desktop Client Sharing Options Not Working

Nextcloud version (eg, 12.0.2): 15.0.7
Operating system and version (eg, Ubuntu 17.04): Ubuntu 16.04.4 LTS
Apache or nginx version (eg, Apache 2.4.25):
PHP version (eg, 7.1):

The issue you are facing: Not able to edit sharing options on Windows or Mac desktop clients.

When I go to click the three dots next to the trash icon it does nothing. I get the same results on Windows and MacOS.

nextcloud

There is an upcoming milestone for the sharing features (probably because of several known issues):

Checkout if there is already a similar report for your problem and if not please create one there. In such cases it is also helpful to check your logfiles to see if the client tries to load some resource that is not available on the server (could point you to configuration issues if it isn’t a bug).