The issue has been fixed in the latest release of InDesign – InDesign 2021.
Please update to this new version of InDesign to get the fix.
Adobe InDesign team
An error occurred while saving the commentRicky commented
Indesign 15.0.1 Type tool shortcut does not work. When you type the shortcut it selects the type tool for a second then reverts back to the previously selected tool. This is incredibly slow for any professional workflow.