Developing offline with the engine-only (https://github.com/playcanvas/engine) is obviously an option, but I wouldn't hold your breath for an offline editor.
That issue was opened in 2022. Honestly if you really get into the nitty gritty of PC it becomes quickly apparent there’s some very strange design choices and priorities.
You can produce some great stuff but there are many dev-exp headaches
You can produce some great stuff but there are many dev-exp headaches