Aright this isn’t just Figma but something that’s running in the background because there is a spillover to other apps like Photoshop. It feels like a CPU leak. Grab any Intel Mac, i9 iMac and I’ll jump head first into a volcano if you don’t recreate this with color picker in figma. Load figma in web browser and same thing happing. However, closing figma and going into Photoshop it’s sluggish. Using quick transform for example there’s a 1-2s delay. Can someone please at least get back to us with heads up you seeing this. It’s not spotlight either, I had it disabled. It was aright in UI2. 

Hey Dima, thanks for flagging it and sorry for the delayed response here.
I see in the backend that you have already reached out to the support team. For visibility here, our engineering is currently investigating, and will reach back out to you once we have more information to provide.
Thank you for your patience in the meantime!