My biggest problem with Wireshark is that it can't do anything with HTTPS traffic - which is most of the traffic I'd be interested in. I understand that's kind of the point of HTTPS, and a MITM proxy with cert replacement is somewhat out of the scope of Wireshark, it still limits the usefulness of the program.
You set an environment variable to instruct the app the write a file that Wireshark can use to decrypt its traffic, and change a setting in Wireshark to use that file, and that's it.
You will even be able to see decrypted WebRTC traffic.