Version 8.8.0-4 of ipyparallel is marked for autoremoval from testing on Sun 15 Dec 2024. It depends (transitively) on jupyter-notebook, affected by #1084673. You should try to prevent the removal by fixing these RC bugs.
Among the 6 debian patches
available in version 8.8.0-4 of the package,
we noticed the following issues:
1 patch
where the metadata indicates that the patch has not yet been forwarded
upstream. You should either forward the patch upstream or update the
metadata to document its real status.