Deleted the binaries from the code repository. They are stored in the package registry now. But the old commits have changed in the process.
To be back in sync, you have to delete the old repository and clone a fresh one with 'git clone https://gitlab.freedesktop.org/AdeptVeritatis/pw-videomix.git'.
Next step taken for pw-videomix (a video mixer/synthesizer) 
After a lot of work, you can save and load (parts of) your projects now. 💾
The color mixer and the control nodes are already done. ✅
But no other nodes and no connections.
For me, this is a major advance in creating a usable piece of technology.
!caution! Loading overwrites all existing control and filter nodes at the moment.
You can save directly into a video file sink now in #pwVideoMix.
Many frames seem to be lost (~30%). But overall quality is good. And the rest of the menu seems quite reasonable.
Pushed the code to the repository including compiled binaries. But unfortunately, it doesn't cross-compile for Windows. 
A longer post will follow tomorrow.
The MIDI input for my video mixer / synthesizer app works better than I would have dreamt of. The #midir library allowed for a clean integration into my existing project.
Now knobs, sliders and buttons can be bound to almost any value in the options panels.
And I fixed the tiling in the #kaleidoscope filter for p1 symmetry.
To add more symmetries, I need to be in the proper mood, then it can be a joy. Otherwise it is just pain.
Snapshot sequences is done too for #pwvideomix.
You can select between taking a series of snapshots within a time frame or after certain frames.
You can even use it, to make snapshots of your work for up to every 10 minutes.
Now I can create animations again with defined frame numbers and convert them to GIFs afterwards.
Would like to have scaling the output next. But I think, a new version number would fit first after all these changes.
AdeptVeritatis