wirediff
https://github.com/aaptel/qtwirediff
Network | PCAP | ToolWireDiff is a debugging tool to diff network traffic leveraging Wireshark.
Wirediff lets you open 2 network traces packets side-by-side. You can select a packet from each trace and diff their content at the protocol level you want.
A more thorough introduction is available in the APNIC blog: https://blog.apnic.net/2020/07/01/wirediff-a-new-tool-to-diff-network-captures/.