In addition to iOS 9.1, Apple has also released OS X 10.11.1 and watchOS 2.0.1 today. On both updates, there are a bunch of performance improvements and new emoji characters are supported. On watchOS, there are some welcome fixes: Apple has revolved a problem that prevented software updates from completing successfully, and it has fixed various issues that were impacting battery life.
Both software updates are available now for over-the-air installations.