OpenDDS 3.25 was release in July 2023 and contains

  • New support for JSON encoding and decoding using TypeSupport
  • Equality operators for the C++11 language mapping
  • Work on improving the configurability of OpenDDS
  • An update on building OpenDDS and OpenDDS applications with CMake

See https://github.com/OpenDDS/OpenDDS/discussions/4247 for the full article.