As far as I am concerned: No.
I read through the thread, but did not quite get the point if the discussion was simply about the "change password"-aspect.
Especially because it's been quite a while and "Timo Vomstein" asked at Thursday if someone can confirm that nothing appears to be working.. 
Posts by medienlampe
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Hi,
I updated my i-MSCP to 1.1.11 today and can confirm that the RoundCubePlugins-Plugin doesn't appear to be working anymore.