We're happy to announce the release of ROS 2 Beta 3, codename R2B3!
Installation instructions and tutorials can be found on the [ROS 2 wiki](
https://github.com/ros2/ros2/wiki).
To get an idea of what's in (and what's not in) this release, be sure to read the [Beta 3 overview page](
https://github.com/ros2/ros2/wiki/Beta3-Overview).
A few features and improvements we would like to highlight in this release:
* The Python client library has received a major overhaul. It now supports an execution model and logging API similar to the C++ client library.
* We have resolved many memory leaks and unnecessary memory usage - especially `rclpy` does not "leak like the Titanic anymore" (to quote a closed ticket).
* PrismTech has contributed to the `rmw_opensplice` repository so that we are happy to announce that OpenSplice is supported again: version 6.7 (on Linux and Windows atm).
As the "beta" qualifier suggests, this release of ROS 2 is not complete. However, we consider it to the point now where many things are ready for feedback from a broader audience, hence the label "beta" instead of "alpha". That being said, you should not expect to switch from ROS 1 to ROS 2 right now, nor should you expect to build a complete robot control system with ROS 2. Rather, you should expect to try out some demos, explore the code, participate in online discussions, and perhaps write your own demos.
As always, we invite you to try out the new software, give feedback, report bugs, and suggest features (and contribute code!):
https://github.com/ros2/ros2/wiki/Contact
Your friendly neighborhood ROS 2 Team
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