The last version of GarageBand for iOS brought Chinese Instruments. The latest version adds a new way of browsing instruments, the Alchemy synthesizer, new audio recorder and multi-take recording.
If you use GarageBand for iOS, the update is free, and you should be aware of it! This is particularly true if you have made “how to” videos or slides, and the interface looks differernt!
The news release from Apple appears in two images below: