In our most recent beta release we've added an Async RGB Led analyzer which supports single-wire LED protocols including WS2811, WS2812B, WS2813, TM1809, TM1804, UCS1903, LPD1886.
This was the most requested analyzer on our list. ideas.saleae.com. Next up is an analyzer for DHT11/22 and similar.
We will be shipping new protocol analyzers at a cadence of one/month, so be sure to vote up your favorites!