when will be ebuild?
I did just copy the ebuild with the new version and some patch from 2.4.2.6 unsuitable for 2.8 because no dir /files/usr/ I am comment all patch in src_prepare() and it will be compiled but I have not run applets. see glass.log attach
Created attachment 415528 [details] glass.log
(In reply to salikov.alexey from comment #1) > and some patch from 2.4.2.6 unsuitable for 2.8 because no dir /files/usr/ * /files/usr/lib
2.8.1 is out
there is an overlay http://gpo.zugaina.org/Overlays/open-overlay/gnome-extra I emerge and basically works but there are some bugs...
2.8.2 is out. https://github.com/linuxmint/Cinnamon/releases/tag/2.8.2
must wait to release with this patch https://github.com/linuxmint/Cinnamon/issues/4767
https://github.com/linuxmint/Cinnamon/releases/tag/2.8.4
2.8.5 is out and include patch from issue 4767