Madrid, January 2020

eProsima announces the general availability of eProsima Fast RTPS 1.9.4. This release introduces the following new features:

  • Intra-process delivery mechanism is now active by default.
  • Synchronous writers are now allowed to send fragments.
  • New memory mode DYNAMIC_RESERVE on history pool.
  • Performance tests can now be run on Windows and Mac.

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 FastCDR v1.0.12.
  • Bump to Fast-RTPS-Gen v1.0.3.
  • Fixed deadlock between PDP and StatefulReader.
  • Improved CPU usage and allocations on timed events management.
  • Performance improvements on reliable writers.
  • Fixing bugs when Intra-process delivery is activated.
  • Reducing dynamic allocations and memory footprint.
  • Improvements and fixes on performance tests.
  • Other minor bug fixes and improvements.

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 1.9.4 with improved CPU usage.

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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