Yep, have been aware of it for a long time. It’s great in concept but as far as I’m aware a good deal behind current macOS — last I knew it was compatible with

Yep, have been aware of it for a long time. It’s great in concept but as far as I’m aware a good deal behind current macOS — last I knew it was compatible with OS X 10.6 (released 2009) with no support for Swift or for any of the advancements in Objective-C made since then. I’m also not sure how well GNUStep apps would fit into a modern GTK or Qt-based desktop, e.g. if they’d theme controls to match.