https://www.youtube.com/watch?v=eCgTx82aoGI&feature=em-upload_owner
OpenTX 2.2.0 RC12 (N364)
http://www.open-tx.org/2017/03/13/opentx-2.2.0RC12
OpenTX 2.2 Sound Packs
Official sound packs are obtained from Companion > File > Download
There is now a version file that is checked to help...