In my case, performance improved a lot after One UI 8.0 update. In One UI 7.0, the animations of my phone was sluggish and stuttery. However, after latest update it is buttery smooth.Also, one of the major issues related to battery protection bug has...

You are most welcome 

The improvements I noticed:1. UI is buttery smooth now.2. Almost all bugs fixed.Bugs:Battery protection feature still not working.

But they have mentioned "upto", therefore, it is upto their discretion.

Yes. UI still lags. It's very frustrating for me.