A new version of the Java TRON has been released yesterday by the TRON developers.
Github link:
https://github.com/tronprotocol/java-tron/releases/tag/GreatVoyage-v4.2.1Important note: This is a non-mandatory upgrade.
Changes
TronLabs Romania
Github link:
https://github.com/tronprotocol/java-tron/releases/tag/GreatVoyage-v4.2.1