Ryan

Is this something you want to do by J-turtle?

Trying to print the UUID with [uuid_unparse](https://linux.die.net/man/3/uuid_unparse) results in a different value than what is reported in the CLI on `humble`. Would you like me to provide a minimum reproducible...

The code it's in is tied to humble. I'll extract a minimum example out and report test results on `humble` and `rolling`.

> Just so you know, we don't use `fastddsgen` when generating code from the IDL files; the ROS 2 core does this itself. So this isn't functionality that is usually...

> To be even more specific, the OMG IDL spec says > > > IDL shall be preprocessed according to the specification of the preprocessor in ISO/IEC 14882:2003. > >...

> lgtm Thanks. Do you want to approve the workflow that would kick off a build on the build farm to see how it fares? I tried the backport to...

> > I tried the backport to humble; it got messy - seems like ROSIDL changed a ton. Do you have any recommendations on how I can be successful in...

Don't merge this yet. I found some issues with the generated python code that were caught only at runtime on `humble`. From `rosidl_generator_py/resource/_idl.py.em`. Looks like a small change, but I...

The branch we have been using internally is now open source here: https://github.com/Ryanf55/rosidl/tree/nan-constants This is branched off humble. It looks like it should be a clean cherry-pick. It has no...

Here's a sample message aggregating all the changes from both proposed PR's. It works with `ros2 interface show` and `ros2 topic pub` and `ros2 topic echo`. You can publish the...