It’s still early days for Air, but the foundation on which it is built is solid. The @sovtechfund funded a security audit conducted by @srlabs of the underlying end-to-end encryption.

OpenMLS independent security audit: results, history, and what comes next
OpenMLS, our implementation of the Messaging Layer Security (MLS) protocol, has undergone a security audit. The audit is an important milestone for OpenMLS. In this post, we share the results and take the opportunity to give a broader introduction to OpenMLS.