2.1. General Compatibility 7.4.0

This section describes compatibility issues that affect an upgrade to 7.4.0. It describes general, wire, and other compatibility issues between Connext 7.4.0 and previous releases.

Unless noted otherwise, the issues in this section do not apply to RTI Connext Micro.

Attention

For important information on new and removed platforms and features in release 7.4.0, see What’s New in 7.4.0. See also individual products’ Release Notes.

See Product-Specific Compatibility 7.4.0 for specific issues.

See RTI Connext Performance Benchmarks for performance details in this release.

2.1.1. Wire Compatibility

2.1.1.1. RTPS Versions

See Compatibility, in the RTI Connext DDS Core Libraries Release Notes for information about the RTPS versions supported for each Connext release.

2.1.1.2. Best-effort DataReader in previous release cannot receive MultiChannel RTPS fragmented data from synchronous DataWriter in 7.4.0

You cannot have a best-effort DataReader from a previous release receiving MultiChannel RTPS fragmented data from a 7.4.0 DataWriter publishing synchronously. This backward compatibility had to be broken because of the fix for RTI Issue ID CORE-14668.