After the upgrade to Clarity 16.0 users are unable to add a Task to a Project in the modern UX (MUX) using the + to add a row. Clicking on the + symbol doesn't do anything.
Clarity SaaS 16.0.0
Find out what the first field of the view is.
If the first column in the grid view is a boolean value, e.g 'Milestone' or 'Open For Time Entry', the task entry cell will not display if the '+' button is clicked.
Workaround: Move the boolean column so it is not the first column.
This issue is addressed in Clarity 16.0.1 which is scheduled for Feb/March 2022: