In the menu bar go to help > troubleshooting information. In the page that opens there 8s a link to about:profiles. All details are available on the mozilla website. https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-thunderbird-profiles

You may create multiple profiles in Thunderbird and open only the one you want selecting it in about:profiles

Cakewallet used a third party repository, it has never been on the main f-droid repository 3rd party repos can contain proprietary apps as well, like Accrescent

Non sembra sia lo stesso Matrix di matrix.org, quanto un’altra piattaforma

Anche io ho fatto un po’ di confusione leggendo la notizia😅