Something is different. Right Click->Open With->Other->Always Open With 100% did not have any effect when I needed it in the past. Not sure what current behavior is. This was a huge thing for me.
I have noticed something similar. I feel like I have done that so many times for XML files. Perhaps it is re-establishing the settings when any kind of update gets installed.
They are the same Info.plist format as every other MacOS application.