Today Java Tron GreatVoyage-v4.2.2 (Lucretius) was released by the Tron foundation.
Official Link: https://github.com/tronprotocol/java-tron/releases/tag/GreatVoyage-v4.2.2

Note: This is forced Upgrade !

• TIP-269 Optimize the performance of block processing #3827

• TIP-281 Optimize the database query performance #3830

• TIP-268 SmartContract ABI optimization #3836

• Optimize the initialization of the pre-complie contract BatchValidateSign
  #3836