Official Github Link: https://github.com/tronprotocol/java-tron/releases/tag/GreatVoyage-v4.4.6

Note: This is a Non-mandatory upgrade

• Update for a security vulnerability in fastjson
  https://github.com/alibaba/fastjson/wiki/security_update_20220523
  two improvements are suggested:
  • upgrade java-tron to 4.4.6
  • no upgrade. Just turn off autoType, add jvm startup parameters

    -Dfastjson.parser.safeMode=true
    

Changes

• Upgrade fastjson version

Beauty in things exists in the mind which contemplates them.

— David Hume