diff --git a/config.def.h b/config.def.h
index 8d797b1..0814c7e 100644
--- a/config.def.h
+++ b/config.def.h
@@ -41,6 +41,7 @@ static const Rule rules[] = {
 static const float mfact     = 0.55; /* factor of master area size [0.05..0.95] */
 static const int nmaster     = 1;    /* number of clients in master area */
 static const int resizehints = 1;    /* 1 means respect size hints in tiled resizals */
+static const int lockfullscreen = 1; /* 1 will force focus on the fullscreen window */
 
 static const Layout layouts[] = {
 	/* symbol     arrange function */
diff --git a/config.mk b/config.mk
index 5e93cfd..2960227 100644
--- a/config.mk
+++ b/config.mk
@@ -1,5 +1,5 @@
 # dwm version
-VERSION = 6.2
+VERSION = 6.3
 
 # Customize below to fit your system
 
@@ -25,7 +25,7 @@ INCS = -I${X11INC} -I${FREETYPEINC}
 LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS} -lX11-xcb -lxcb -lxcb-res
 
 # flags
-CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_C_SOURCE=2 -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
+CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_C_SOURCE=200809L -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
 #CFLAGS   = -g -std=c99 -pedantic -Wall -O0 ${INCS} ${CPPFLAGS}
 CFLAGS   = -std=c99 -pedantic -Wall -Wno-deprecated-declarations -Os ${INCS} ${CPPFLAGS}
 LDFLAGS  = ${LIBS}
diff --git a/dwm.1 b/dwm.1
index 13b3729..ddc8321 100644
--- a/dwm.1
+++ b/dwm.1
@@ -33,7 +33,7 @@ dwm draws a small border around windows to indicate the focus state.
 .SH OPTIONS
 .TP
 .B \-v
-prints version information to standard output, then exits.
+prints version information to stderr, then exits.
 .SH USAGE
 .SS Status bar
 .TP
diff --git a/dwm.c b/dwm.c
index dace13f..556b745 100644
--- a/dwm.c
+++ b/dwm.c
@@ -559,7 +559,7 @@ buttonpress(XEvent *e)
 			arg.ui = 1 << i;
 		} else if (ev->x < x + blw)
 			click = ClkLtSymbol;
-		else if (ev->x > selmon->ww - TEXTW(stext) - getsystraywidth())
+		else if (ev->x > selmon->ww - (int)TEXTW(stext) - getsystraywidth())
 			click = ClkStatusText;
 		else
 			click = ClkWinTitle;
@@ -880,7 +880,7 @@ dirtomon(int dir)
 void
 drawbar(Monitor *m)
 {
-	int x, w, sw = 0, stw = 0;
+	int x, w, tw = 0, stw = 0;
 	int boxs = drw->fonts->h / 9;
 	int boxw = drw->fonts->h / 6 + 2;
 	unsigned int i, occ = 0, urg = 0;
@@ -889,11 +889,14 @@ drawbar(Monitor *m)
 	if(showsystray && m == systraytomon(m))
 		stw = getsystraywidth();
 
+	if (!m->showbar)
+		return;
+
 	/* draw status first so it can be overdrawn by tags later */
 	if (m == selmon) { /* status is only drawn on selected monitor */
 		drw_setscheme(drw, scheme[SchemeNorm]);
-		sw = TEXTW(stext) - lrpad / 2 + 2; /* 2px right padding */
-		drw_text(drw, m->ww - sw - stw, 0, sw, bh, lrpad / 2 - 2, stext, 0);
+		tw = TEXTW(stext) - lrpad / 2 + 2; /* 2px right padding */
+		drw_text(drw, m->ww - tw - stw, 0, tw, bh, lrpad / 2 - 2, stext, 0);
 	}
 
 	resizebarwin(m);
@@ -917,7 +920,7 @@ drawbar(Monitor *m)
 	drw_setscheme(drw, scheme[SchemeNorm]);
 	x = drw_text(drw, x, 0, w, bh, lrpad / 2, m->ltsymbol, 0);
 
-	if ((w = m->ww - sw - stw - x) > bh) {
+	if ((w = m->ww - tw - stw - x) > bh) {
 		if (m->sel) {
 			drw_setscheme(drw, scheme[m == selmon ? SchemeSel : SchemeNorm]);
 			drw_text(drw, x, 0, w, bh, lrpad / 2, m->sel->name, 0);
@@ -1026,7 +1029,7 @@ focusstack(const Arg *arg)
 {
 	Client *c = NULL, *i;
 
-	if (!selmon->sel)
+	if (!selmon->sel || (selmon->sel->isfullscreen && lockfullscreen))
 		return;
 	if (arg->i > 0) {
 		for (c = selmon->sel->next; c && !ISVISIBLE(c); c = c->next);
@@ -1846,7 +1849,7 @@ setmfact(const Arg *arg)
 	if (!arg || !selmon->lt[selmon->sellt]->arrange)
 		return;
 	f = arg->f < 1.0 ? arg->f + selmon->mfact : arg->f - 1.0;
-	if (f < 0.1 || f > 0.9)
+	if (f < 0.05 || f > 0.95)
 		return;
 	selmon->mfact = f;
 	arrange(selmon);
@@ -2024,11 +2027,13 @@ tile(Monitor *m)
 		if (i < m->nmaster) {
             h = (m->wh - my) / (MIN(n, m->nmaster) - i) - m->gappx;
             resize(c, m->wx + m->gappx, m->wy + my, mw - (2*c->bw) - m->gappx, h - (2*c->bw), 0);
-            my += HEIGHT(c) + m->gappx;
+            if (my + HEIGHT(c) < m->wh)
+                my += HEIGHT(c);
 		} else {
             h = (m->wh - ty) / (n - i) - m->gappx;
             resize(c, m->wx + mw + m->gappx, m->wy + ty, m->ww - mw - (2*c->bw) - 2*m->gappx, h - (2*c->bw), 0);
-            ty += HEIGHT(c) + m->gappx;
+            if (ty + HEIGHT(c) < m->wh)
+                ty += HEIGHT(c);
 		}
 }