he/him 
Do I even have the option not to if I'm using Flow or Jest, and want good perf? (Just realized I've never told anyone in my current team to install it. Is this why they have bad Flow DX? I NEED TO WARN MY PEOPLE!)
-
-
I've asked
@sainati_ on Flow Discord. Turns out Flow only uses Watchman in Lazy Mode, which we don't use in our workflow.Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
It does if you use lazy mode, which is usually just used for very large repos like Facebook www.
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.