I remember evaluating it around 2011 when they were first picking up speed. What put us off was that, although the simulator worked offline (and writing Lua for it was a lot of fun and 10x easier than getting into native development), the app build process happened on their servers — so it was essentially a service, not a tool. All code would have instantly become useless if they would have just pulled the plug one day.

Not sure what happened afterwards, but it’s nice to see they were able to open source what they had, and to keep it possible to build old projects locally.

*edit: removed uncertainty about building old projects locally