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Perhaps already know, but officially, Foxy only supports Ubuntu Focal (20.04): REP 2000: ROS 2 Releases and Target Platforms - Foxy Fitzroy (May 2020 - May 2023).

Perhaps already know, but officially, Foxy only supports Ubuntu Focal (20.04): REP 2000: ROS 2 Releases and Target Platforms - Foxy Fitzroy (May 2020 - May 2023).

Missing Groovy release [..] I can fix this issue changing groovy to focal in /etc/apt/sources.list.d/ros2-latest.list

this isn't really a "fix": that would make apt install binaries compiled against Ubuntu Focal on Ubuntu Groovy.

There's a good chance this is the cause of your problems.

If it works, there's no guarantee it's going to be stable, as mixing-and-matching libraries of different versions is a good way to make an instable system.

Perhaps already know, known, but officially, Foxy only supports Ubuntu Focal (20.04): REP 2000: ROS 2 Releases and Target Platforms - Foxy Fitzroy (May 2020 - May 2023).

The official documentation you link is fairly clear about this:

We support Ubuntu Linux Focal Fossa (20.04) 64-bit x86 and 64-bit ARM.

From the System Requirements section.

Missing Groovy release [..] I can fix this issue changing groovy to focal in /etc/apt/sources.list.d/ros2-latest.list

this isn't really a "fix": that would make apt install binaries compiled against Ubuntu Focal on Ubuntu Groovy.

There's a good chance this is the cause of your problems.

If it works, there's no guarantee it's going to be stable, as mixing-and-matching libraries of different versions is a good way to make an instable system.