The unstable border_width problem was caused by the following lines being added to reparent() in commit 887024e2c6040eb5d3ec17b5906cf86bb6aaaa76 :
xwc.border_width = 0;
XConfigureWindow (dpy, id, CWBorderWidth, &xwc);
Removing those lines fixes several (but not all) border-related bugs
The unstable border_width problem was caused by the following lines being added to reparent() in commit 887024e2c6040eb 5d3ec17b5906cf8 6bb6aaaa76 : border_ width = 0; indow (dpy, id, CWBorderWidth, &xwc);
xwc.
XConfigureW
Removing those lines fixes several (but not all) border-related bugs