There’s a delay with the colors updating in the live preview when you drag/click in the color picker. In Pro 4.3.3 there’s no delay.
Hi @JvP,
With Pro 5.0, all styling changes are happening on the server just like markup so unfortunately that introduces a slight delay depending on your connection and server power. Previous versions had two separate rendering systems (client and server side) but this was bug prone because they couldn’t be fully identical. We built a whole new system for responsive styling that is server side only right now - before attempting to rebuild a client side version to optimize for performance we want to get through to at least our next development cycle and have a stability release of Pro 5 to work from so we’re not chasing potential issues in two places.
All that being said, it means the live preview will be a bit slower in the meantime.
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Thanks for the explanation. I think we’ll cope until you’re able to create the client side version 
Thanks for understanding! Hopefully it won’t be too long.