What do you mean? You control which version of the SDK you install (unless you just go for the latest)

RC you can see on the main readme, (for some reason the Conda badge will show RC and the PyPi won't)
https://github.com/allegroai/clearml/

I typically install latest

👍

Was there a new release?

BoredHedgehog47 here, enlight yourself https://github.com/allegroai/clearml/releases

The new 1.7.2 is still in release candidates so nothing new since 20 days ago