Madrid, November 2019

eProsima announces the general availability of eProsima Fast RTPS 1.9.3. This release introduces the following new features:

  • Participant discovery filtering flags.
  • Intra-process delivery mechanism opt-in.

But there is more:
The new version includes also bug fixing, and allocation and performance improvements.

eProsima Fast RTPS is an open source high-performance publish-subscribe framework to share data in distributed systems using a decoupled model based on Publishers, Subscribers and Data Topics.


It also adds the following improvements and bug fixes:

  • Bump to Fast-RTPS-Gen v1.0.2.
  • Bring back compatibility with XTypes 1.1 on PID_TYPE_CONSISTENCY.
  • Ensure correct alignment when reading a parameter list.
  • Add CHECK_DOCUMENTATION cmake option.
  • EntityId_t and GuidPrefix_t have now their own header files.
  • Fix potential race conditions and deadlocks.
  • Improve the case where check_acked_status is called between reader matching process and its acknack reception.
  • RTPSMessageGroup_t instances now use the thread-local storage.
  • FragmentedChangePitStop manager removed.
  • Remove the data fragments vector on CacheChange_t.
  • Only call find_package for TinyXML2 if thirdparty options are off
  • Allow XMLProfileManager methods to not show logError messages if a profile is not found.

Main Features of eProsima Fast RTPS:

  • High performance. See the performance benchmarks.
  • Multi-Platform: Windows, Linux, Mac OS, QNX, VxWorks, iOS, Android, Raspbian.
  • Easy to use: See a hello world video tutorial here.
  • Free and Open Source: Apache License 2.0
  • Commercial Support Available.
  • Full RTPS compliance: OMG RTPS 2.2 Compliant. Best Effort and Reliable Communications in both Unicast and Multicast.

Downloads and Online Documentation

Please visit the eProsima Fast RTPS product page.


eProsima Fast RTPS 1.9.3 with intraprocess delivery mechanism opt-in has lower latency and less dispersion.

About eProsima:

eProsima is an SME company focused on networking middleware with special attention to the OMG standard called Data Distribution Service for Real-time systems (DDS).

eProsima believes in the Open Source model and provides such Open Source Middleware solutions as eProsima Fast RTPS that is adopted by ROS 2 and eProsima Micro XRCE-DDS that gives access to DDS for eXtreme Resource Constrained Environments: Microcontrollers and which is the base of micro-ROS. Its other products eProsima RPC over DDSeProsima Non-Intrusive DDS RecordereProsima Dynamic Fast Buffers or eProsima Shapes Demo are widely used as well.

Selected by OSRF (ROS), Apex.aiClearpath RoboticsAmazonAuterionDronecode3D RoboticsIntelligent Robots, and others, eProsima focuses on the customer needs and provides personalized solutions as per demand.

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