Another 3-click processing in RT

In another thread there has been much discussion about making RT more friendly to new users. While I am not a new user, I often have difficulty in understanding some of the references in this forum; please forgive my ignorance:

Why would you name a tool “Capture Sharpening” if it is implemented at the end of the processing chain. The name itself suggests it should be applied at the beginning.

Where do I find Nightly Builds?

And where your speedup-pr? Among nightly builds??

What is ART?

Again my apologies for being so dense.

P.S. Regarding the utility of this forum: In the thread “Local Lab Build” there are 810 replies in this thread. I am sure there is a wealth of useful information buried therein. Surely there must be a way to break this down to a more useable source.