It looks like RECF removed the rule allowing VEX IQ corner connectors for mounting license plates in VRC.
Last year, (Tower Takeover), Rule R5b stated:
VEX IQ pins and corner connectors used solely for the purpose of attaching VEX Team Identification Number Plates are permitted.
This year (Change Up), Rule R6b (the equivalent rule) states:
VEX IQ pins used solely for the purpose of attaching VEX Team Identification Number Plates are
Unless this was an oversight, it looks like they have removed one of the most convenient ways of mounting license plates. Unfortunately, I haven’t registered the team for this season yet, so I can’t ask in the Q&A at this point. If someone else wants to clarify this, feel free.
I am attaching a picture of they license plate mounting the team developed for last year. It was effortless to swap plates.
Regardless, have a great season, have fun, and try to learn as much as possible!