No, sorry for the confusion. After the 1.27.2 release in experimental, Simon submitted some package technical changes related to GObject Introspection. These were applied to unstable, and new packages were uploaded (core, base and bad).
These particular patches were not yet applied to experimental. To be honest, these changes are related to packaging, so I don't expect it fix this particular issue, but I'll apply the same changes and upload them in any case. In parallel, Sebastian let me know that it is a bug in pygobject that seems fixed [1] and [2] is the workaround in gst-python (I'll double check if this one is applied). [1] https://gitlab.gnome.org/GNOME/pygobject/-/merge_requests/447 [2] https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/5d9037509bcdf49a1022b5e5ac596e47ea565f50
