A deprecated JSON file format for limiting features via the Google Admin console for Read&Write for Google Chrome that was provided previously is currently causing issues with the Read&Write toolbar such as:

Toolbar not opening, features not working when clicked

Please update your JSON being pushed out if your users are experiencing these issues by following this updated guide in the meantime:

https://texthelpsupport.knowledgeowl.com/help/feature-switching

A hotfix resolving this incompatibility with the old JSON format is being pushed out as soon as possible.