Nope. It’s still the best Twitter client on iOS (I’ve used them all and keep coming back to it).
without access to all the APIs, by definition it can't be the best.
outside of the streaming timeline, search on tweetbot sucks. again not their fault, i'm sure the search API is very limited. but i search twitter almost more than google these days. and the native search has autocomplete and is much more thorough than any 3rd party. try the 2 side by side.