Quote Originally Posted by nodoze View Post
Even though I have it set to 'Always Patch at Startup' it doesn't seem to automatically patch... Do I need to manually click the red 'Patch these files' button even if set to always patch?
Yes.

Quote Originally Posted by nodoze View Post
If I do that with my current settings will I get 6535 or 6553?
You will get whichever version you've selected: If you've enabled development patches, then you'll get a dev build, otherwise you'll get the live build.

Quote Originally Posted by nodoze View Post
I suspect 6553 if I normally only want the most stable live version I suspect I likely I should uncheck 'Download development (test) patches' to only get 6535 but figured it would be smart to ask for guidance.
Very rarely is there an "unstable" development build, especially for World of Warcraft.