removing Sylvain's patch because it breaks more than it fixes unfortunately, re-issuing a bugfix release 5.8.1

config.mk

@@ -1,5 +1,5 @@
 # dwm version
-VERSION = 5.8
+VERSION = 5.8.1
 
 # Customize below to fit your system
 

dwm.c

@@ -57,8 +57,7 @@
 /* enums */
 enum { CurNormal, CurResize, CurMove, CurLast };        /* cursor */
 enum { ColBorder, ColFG, ColBG, ColLast };              /* color */
-enum { NetSupported, NetWMName, NetWMState,
+enum { NetSupported, NetWMName, NetWMState, NetLast };  /* EWMH atoms */
-       NetWMFullscreen, NetLast };                      /* EWMH atoms */
 enum { WMProtocols, WMDelete, WMState, WMLast };        /* default atoms */
 enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
        ClkClientWin, ClkRootWin, ClkLast };             /* clicks */
@@ -162,7 +161,6 @@ static void checkotherwm(void);
 static void cleanup(void);
 static void cleanupmon(Monitor *mon);
 static void clearurgent(Client *c);
-static void clientmessage(XEvent *e);
 static void configure(Client *c);
 static void configurenotify(XEvent *e);
 static void configurerequest(XEvent *e);
@@ -251,7 +249,6 @@ static int (*xerrorxlib)(Display *, XErrorEvent *);
 static unsigned int numlockmask = 0;
 static void (*handler[LASTEvent]) (XEvent *) = {
 	[ButtonPress] = buttonpress,
-	[ClientMessage] = clientmessage,
 	[ConfigureRequest] = configurerequest,
 	[ConfigureNotify] = configurenotify,
 	[DestroyNotify] = destroynotify,
@@ -1294,20 +1291,6 @@ propertynotify(XEvent *e) {
 	}
 }
 
-void
-clientmessage(XEvent *e) {
-	XClientMessageEvent *cme = &e->xclient;
-
-	if(cme->message_type == netatom[NetWMState] && cme->data.l[1] == netatom[NetWMFullscreen]) {
-		if(cme->data.l[0])
-			XChangeProperty(dpy, cme->window, netatom[NetWMState], XA_ATOM, 32,
-			                PropModeReplace, (unsigned char*)&netatom[NetWMFullscreen], 1);
-		else
-			XChangeProperty(dpy, cme->window, netatom[NetWMState], XA_ATOM, 32,
-			                PropModeReplace, (unsigned char*)0, 0);
-	}
-}
-
 void
 quit(const Arg *arg) {
 	running = False;
@@ -1512,7 +1495,6 @@ setup(void) {
 	netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
 	netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
 	netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False);
-	netatom[NetWMFullscreen] = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False);
 	/* init cursors */
 	cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
 	cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);