To stay Testnet-compliant (with #12th revision, 10/30/19), the new AccountAddress serialization had to be included to jlibra.
- original Libra commit:
https://github.com/libra/libra/commit/b5901bcd9d78fe1d14a6d64067aadca2e20c0cdd - jlibra commit: https://github.com/ketola/jlibra/pull/63
The change was introduced to the Testnet on 10/30/19, afterwards this version has to be used for transaction support.
Release notes & sources: https://github.com/ketola/jlibra/releases/tag/v0.5.0
As jlibra is a library, the release method is a Maven artefact: https://repo1.maven.org/maven2/dev/jlibra/