Switching between windows on MacOS

Brave Browser Desktop Support
3

It is likely related to this issue which has already been resolved and will be implemented in one of the next browser updates:

In the interim, you can go ahead and set the Brave commands flag to Disabled to stop the behavior:

  1. Launch Brave, go to brave://flags
  2. Search for a flag called #brave-comands
  3. Set the value to Disabled and relaunch the browser