- Fix default display name back to "Python X" instead of "pythonX"
4.2
- Support sending a full message in initial opening of comms (metadata, buffers were not previously allowed) - When using `ipython kernel install --name` to install the IPython kernelspec, default display-name to the same value as `--name`.
4.2.0
4.1.1
- Fix missing `ipykernel.__version__` on Python 2. - Fix missing `target_name` when opening comms from the frontend.
4.1
- add `ipython kernel install` entrypoint for installing the IPython kernelspec - provisional implementation of `comm_info` request/reply for msgspec v5.1