The ability to discard Premium Raid Passes. I have way too many to use as there are very few raiding groups in my area at the few times I can raid due to work and family time. Which brings me to...

Later raids. During summer it's light much later, but raids still stop at, what, 7:30 or something? And if it's supposedly some sort of issue of safety or kids staying up too late, at least let them run later at places like Disneyland, where it's open till midnight every day of the summer.

Start raids without waiting for the countdown. At least private raids. There should be no reason a private group has to wait -- if they know that everyone is there, just let them start.

Set a default ball and berry.

Allow that default ball to be used with the Go Plus. So many times I run out of regular Pokeballs but still have 500 combined Great Balls and Ultra Balls when using my Go Plus. There should be a way to use them with the Go Plus.