HI Juan:
There isn't single and clear Morphic roadmap. From the discussions in squeak-dev about one or 2 months ago, it seems that most people believe that the current Morphic+Etoys API is a central part of Squeak. So, I don't expect any major changes there, although there is some progress in using ToolBuilder to make tools independent of the UI framework. If the Toolbuilder offers what you need, it looks like a good option. Then you have the Pharo fork. If you plan to use it, you'd check with them. You can also use Cuis, my Squeak fork. In Cuis, Morphic is greatly reduced, making everything much easier to understand. Finally, you have my Morphic 3 project, that would help you do a high-quality zoomeable UI. Unfortunately, I've been devoting all my time to Cuis and paid work lately, so I'm not working much on Morphic 3 right now.
Is on your plans integrate Morphic 3 on Cuis at some point?
Cheers.
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