8.4. What’s Fixed in 4.2.0

The following are fixes since Connext Micro 4.1.0.

[Critical]: System-stopping issue, such as a crash or data loss.
[Major]: Significant issue with no easy workaround.
[Minor]: Issue that usually has a workaround.
[Trivial]: Small issue, such as a typo in a log.

• 8.4.1. Discovery
  • 8.4.1.1. [Critical] Lost INFO_DST messages with GUIDPREFIX_UNKNOWN
  • 8.4.1.2. [Major] DomainParticipants stopped sending announcements to initial peer locator after a discovered DomainParticipant went away
  • 8.4.1.3. [Major] Possible mismatched endpoint messages during discovery
  • 8.4.1.4. [Major] DomainParticipants continued to send DATA(p) messages to nonexistent remote participants
  • 8.4.1.5. [Major] DataReader failed to acknowledge samples when it received more instances than it could store
  • 8.4.1.6. [Minor] Participants using DPDE sent one extra announcement message
  • 8.4.1.7. [Minor] Failed to delete a participant before sending at least one participant announcement
• 8.4.2. Reliability Protocol and Wire Representation
  • 8.4.2.1. [Major] Asynchronous flow controller may have stopped sending data
  • 8.4.2.2. [Major] Reliable DataReader may have stopped receiving data
• 8.4.3. APIs (C or Traditional C++)
  • 8.4.3.1. [Major] DDS_DomainParticipantFactory_finalize_instance failed if INTRA transport had been unregistered
  • 8.4.3.2. [Minor] Maximum blocking time is limited to 25 days
• 8.4.4. Generated Code (C, Traditional C++, and Modern C++)
  • 8.4.4.1. [Major] Failed to serialize a union with only a default label
• 8.4.5. Hangs
  • 8.4.5.1. [Critical] Application may have frozen during discovery of a remote participant
• 8.4.6. Memory Leaks/Growth
  • 8.4.6.1. [Minor] Memory leak in static discovery examples
  • 8.4.6.2. [Major] Resources not freed when calling unregister_instance on a reliable Zero Copy DataWriter
• 8.4.7. Platform and Build Changes
  • 8.4.7.1. [Minor] Linker errors occurred when compiling HelloWorld examples for Windows systems
• 8.4.8. Shipped Examples
  • 8.4.8.1. [Trivial] Failure to compile example generated for MAG
• 8.4.9. Interoperability
  • 8.4.9.1. [Major] Zero Copy communication failed when applications were started from different directories
• 8.4.10. Other
  • 8.4.10.1. [Critical] Potential loss of queued samples when using asynchronous communication
  • 8.4.10.2. [Critical] Missed DATA_FRAG messages with multiple fragments
  • 8.4.10.3. [Major] Micro Application Generator (MAG) failed to start on macOS platforms
  • 8.4.10.4. [Major] DataWriter with finite timestamp failed to send data if date exceeded January 2038
  • 8.4.10.5. [Major] Connext Micro failed to parse malformed DATA_FRAG submessages
  • 8.4.10.6. [Major] Connext Micro would not work if year exceeded 2038
  • 8.4.10.7. [Minor] Multiple endpoints did not match properly when using Zero Copy transfer
  • 8.4.10.8. [Minor] SYSTEM_RESOURCE_LIMITS.max_components could not be changed
  • 8.4.10.9. [Trivial] rtime-make did not support building multiple targets on Windows systems and failed to report some CMake errors