In version 2.2, Agora has added several new features and improvements for iOS developers. These include Bitcode Support for app optimization and thinning by the App Store, audio effects now playing locally during video or voice calls, deployment of a proxy server at the server to enable use with corporate firewalls, getting remove video status, adding watermarks to streaming videos, and overall functionality improvements such as acoustics and network quality. Additionally, several bug fixes have been addressed.