1 | initial version |
Debian 11 is Debian 11 (Bullseye) which is also the current "oldstable".
The debian bullseye (oldstable) package is wireshark (3.4.10-0+deb11u1).
The "Wireshark latest version" is Wireshark 4.0.8 is now available
To get the latest version you will have to build it.
Look at 3.4. Obtaining The Wireshark Sources and 2.1.1. Build environment setup.