Newest dolphin update https://www.smashladder.com/blogs/view/26ca/2016-01-24/dolphin-faq-2-0
I recommend reading what they have to say about other dolphin builds.
One more thing to note, the latest version for dolphin everyone plays melee with is this.
https://www.smashladder.com/guides/view/264m/dolphin-ladder-build-4-0-7840
I'd be down for some netplay games.