Although Portacle isn't being maintained any more (at least as far as the main developer was concerned last time I looked a few months ago).

More information here:

https://github.com/portacle/portacle/issues/182

In 2020 they went full-time on developing the game Kandria.

They're still active:

https://shinmera.com/projects.html

https://shinmera.com/bio.html