The fix is now publicly available in the latest InDesign update, 15.1.1
Please update to this latest version to get the fix.
Adobe InDesign team
An error occurred while saving the commentJuha Räty commented
The sad truth is, Adobe has reached monopoly in the field, so they couldn't give a flying ****, please excuse my language, if their products are functional or not anymore. We the customers are deeply dependent on them, so there's nowhere to escape for us anyway.