No, but that is the solution to test non-beta. Leave to test, then rejoin.
I don't want to 😟 I want to remain a beta tester, but use the old version when necessary. Just like it was during the final transition to V3... Can't this be done now also? After all, this will allow you to do testing in a more relaxed atmosphere
When v3 was in testing, you had to leave to go back to the old version. It's not really any different.

No, but that is the solution to test non-beta. Leave to test, then rejoin.
I don't want to 😟 I want to remain a beta tester, but use the old version when necessary. Just like it was during the final transition to V3... Can't this be done now also? After all, this will allow you to do testing in a more relaxed atmosphere