Still, you can close a given circuit and trigger Tor to create a new one using the [[New Circuit for this Site|doc/anonymous_internet/Tor_Browser]] button of *Tor Browser* or the [[*Onion Circuits*|doc/anonymous_internet/tor/circuits]] utility.
Newer versions of all applications will be available starting from Tails 7.0, which will be based on Debian 13 (Trixie). Until then, you cannot update any of the applications included in Tails to a newer version.