As a side note: qt5ct will be available in the future, it is already in testing.

Of course, sorry.

I mean everything else works except suspend on lid close and the battery icon like mentioned.

@Voidpointer: The script is a good idea.

Same here. But it worked before on Mate version 1.18. I used it successfully in conjunction with xfce4-power-manager.

Sorry that I cannot help, I can only confirm the same behavior here and I think we already mentioned it somewhere else in the forums.
It has to be some kind of bug that is still not resolved.
Before that mate-power-manager was not available for Devuan because it depended on systemd.

The package you want is called intel-microcode and is in non-free.

apt policy intel-microcode
intel-microcode:
  Installiert:           3.20180703.2~bpo9+1
  Installationskandidat: 3.20180703.2~bpo9+1
  Versionstabelle:
 *** 3.20180703.2~bpo9+1 100
        100 http://de.deb.devuan.org/merged ascii-backports/non-free amd64 Packages
        100 /var/lib/dpkg/status
     3.20180425.1~deb9u1 500
        500 http://de.deb.devuan.org/merged ascii/non-free amd64 Packages

I solved that problem by installing mate-indicator-applet. I never needed it before but it seems Qt apps no longer show their tray icon in the panel. With the indicator applet you get the tray icons back though I find that strange, it should be integrated into the notification area like before but it seems to be a known problem for some time since version 1.18 or something and probably related to Gtk3.

You mean you cannot see umlauts in your editor like vim? Then you need to set the character encoding to UTF-8 for your default terminal emulator.

It is already available in ascii-backports.

Yes, I watch on Netflix without buffering and with Firefox Quantum but Chrome/ium works, too.

If a site still uses Flash I never again go there and I do not even install the plugin anymore. It is not worth it.

Sounds more like it and I have it installed. There is nothing you cannot do from the command line or from dconf. The only thing it has and I do not use it, is to save panel layouts.

It would be more interesting to know which kind of problems because Ascii runs just fine here.

Xmonad and Trinity. You guys rock. Not that they have something in common but they both are as old school as it gets.