I got a weird glitch. Sometimes when I go to the screen that has Xatu, Kecleon and Kangaskhan after a dungeon run, the game will stutter for a bit after a bit of time with graphical glitches and then after that's done the arrow in the menus disappear. The menus still work but it's hard to tell what your selecting. Saving and restarting the game fixes it but it's random when it does (the glitch not the fix). It started after going into the cafe one time and having the game freeze. The game no longer freezes in the cafe but whenI go to Xatu it'll do what I described above. I can go past and do whatever I need to do for storage needs but as soon as I go on the bottom path it will happen. I've restarted the game a couple times and have gotten farther without this happening. The only difference is that the team is Gible and Alolan Vulpix and it's happening at the time when you have to go to Amp Plains. It could be that it's weird at this specific point in the story as I haven't grinded dungeons in previous runs at this specific part in the story.
I just realized that there is also one more thing that's different. I have an unfinished special episode save as well. I also did a test with save states where I save stated, got the glitch, loaded, saved and went to title, loaded and it didn't trigger so it's something that resets every day in game. I'll finish the special episode and see if it still happens after that.