the #libgtkflow nodes have content again :) now i have to think about how to display my docks in #gtk 4 because radiobuttons, as they were, do not exist anymore and so are their drawing routines. i might opt for a unique look this time! another cool thing in the new implementation is, that there is no more artificial upper-left-corner barrier. you can move the nodes in the negative coordinate space now. but you can't navigate there yet. a problem for another day :). its nice to code #vala again