7.3. What’s New in 7.7.0

This section describes what’s new in Protocol Buffers Extension 7.7.0.

Connext 7.7.0 is the first production release in the 7.7 long-term support (LTS) series. It is built upon and combines all of the fixes in releases 7.4.0, 7.5.0, and 7.6.0. See the Connext Versions and Lifecycle page for more information on RTI’s software release model.

For what’s new and fixed in other products in the Connext suite, see those products’ release notes on the RTI Community Portal or in your installation.

7.3.1. Protocol Buffers Extension no longer experimental

Release 7.6.0 introduced Protocol Buffers Extension, an extension to Protocol Buffers that enables efficient serialization of Protocol Buffers messages in DDS applications.

In release 7.6.0, this product was experimental. In release 7.7.0, Protocol Buffers Extension is ready for production use.

7.3.2. RTI Code Generator enables Protocol Buffers integration with DDS

Code Generator 7.7.0 includes a new feature that allows developers to generate C++ source code from Protocol Buffers definitions. For more information, see Integrating Protocol Buffers with Connext.

7.3.3. Improved tutorial build files for Protocol Buffers Extension

The USER_QOS_PROFILES.xml file created by the Protocol Buffers Extension tutorial build files is now generated in a more intuitive location to improve usability. For details about the tutorial, see Generating Code from Protocol Buffers messages.

7.3.4. Third-Party Software Changes

The following third-party software used by Protocol Buffers Extension has been upgraded:

Table 7.1 Third-Party Software Upgrades

Third-Party Software	Old Version	New Version
Protocol Buffers	25.9	33.0

For information on third-party software used by Connext products, see the “3rdPartySoftware” documents in your installation: <NDDSHOME>/doc/manuals/connext_dds_professional/release_notes_3rdparty.