On my iPad gen6 (my spare iPad) I’ve done the upgrade of ios17 and ST3.8 (and my iPhone 13pro) and mostly
On the iPad Theres a small pause in loading the graphics detail of the app, less on the phone but I suppose it’s a way faster processor. It’s not really a problem I suppose it’s an older iPad and the processor and graphics built in need a little more time processing it?
I haven’t noticed this little pause prior to updating.
Haven’t tried my main iPad (pro) I’m waiting with that as per usual.