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Syncronized callbacks in ROS2

I don’t think this is a good path forward. Simply because significant parts of the repo would be irrelevant for ROS 2 which would make synchronizing the diverging branches more and more effort.

I don’t have a good general recommendation for you at the moment.

@dirk-thomas Ok, I’ll split message_filter from ros_comm, and into a local ROS2 repo. Although it may need quite a lot effort, it is worthwhile.

It seems someone has started to port this at some point in the past.

It is still catkin version, not completed


I found this link while searching for porting message_filters package in ros 2 environment. Can anyone update on the status of the porting work ? I would be happy to take up this job.

Hi, for my ros2 message_filters progress, it is workable and pass all unittest now, but there are still some follow-up work ongoing, e.g. de-boost and more testing. I plan open source it in 2-3 weeks.

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The code is ready at

Thank you very much @testkit. I will have a look at your code and get back to you.

Hi, is there any update on this porting?
It would be really useful!

Please see for the current state as well as ongoing work.