v3.3.0: Extra simulation meshes

[stephane-caron]

This release brings a script to guide new users in running standard agents, and adds an option to the Bullet spine to load extra URDFs. Under the hood, it switches from posix-ipc to the standard library for shared-memory management.

Added

• Script to run any of the standard agents
• spines: bullet_spine accepts extra URDFs as arguments (thanks to @ubgk 👍)

Changed

• dependencies: Bump loop-rate-limiters to 1.0.0
• dependencies: Replace posix-ipc by shared-memory from the standard library
• envs: Redirect logging to /env prefix
• envs: Rename default action in UpkieServos to neutral, its position is NaN
• Minimum Python version is now 3.8

Removed

• Script to compile and run the PID balancer
• utils: ActionError exception

---

This discussion was created from the release Upkie 3.3.0.