Thanks for pointing me to this threads. In fact I've read them all before my post. My intention was to, once again, point out, that this is really a key-feature which many would love to see implemented ;-)
And as this is a common known request I hoped to get a state whether it will be implemented ...
Remembering sortorder but even more enabling a custom-sortorder by drag and drop of thumbs (which can be implemented in the same ini-file) is an absolute knock-out criteria for me.
I was just before changing my workflow to XnView but the abesence of this feature did not allow me to do so. So please ...