Iām fine with such a session (of course), although I would feel much better if I knew what the main breaking changes are 
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I know for sure that we have a poorly defined (virtually non-existing) API to the GUI world, which might lead to incompatibilities. Are there more problems that can be listed explicitly? If we have such a session we should make sure that the most qualified developer is present, and that might not be me 
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Maybe in addition to liking the initial post we can collect some problems here (just bullet points, explicitly not addressing the problem in this thread)?