diff --git a/esphttpdconfig.mk b/esphttpdconfig.mk
index 6672162..a46fa85 100644
--- a/esphttpdconfig.mk
+++ b/esphttpdconfig.mk
@@ -47,7 +47,7 @@ GLOBAL_CFLAGS = \
     -DDEBUG_HTTP=0 \
     -DDEBUG_ESPFS=0 \
     -DDEBUG_PERSIST=0 \
-    -DDEBUG_UTFCACHE=1 \
+    -DDEBUG_UTFCACHE=0 \
     -DDEBUG_CGI=0 \
     -DDEBUG_WIFI=0 \
     -DDEBUG_WS=0 \
diff --git a/front-end b/front-end
index c07a616..810782a 160000
--- a/front-end
+++ b/front-end
@@ -1 +1 @@
-Subproject commit c07a6162f2d89802e68930e0665a9e5a85ac13a9
+Subproject commit 810782a7f299272b9ebfe0ae3c5087bc0fe9c59d
diff --git a/user/apars_csi.c b/user/apars_csi.c
index 4ed852d..a83e8ba 100644
--- a/user/apars_csi.c
+++ b/user/apars_csi.c
@@ -557,12 +557,12 @@ do_csi_sgr(CSI_Data *opts)
 		else if (n == SGR_FG_256 || n == SGR_BG_256) {
 			if (i < count-2) {
 				if (opts->n[i + 1] == 5) {
-					u16 color = (u16) opts->n[i + 2];
+					u8 color = (u8) opts->n[i + 2];
 					bool fg = n == SGR_FG_256;
 					if (fg) {
-						screen_set_fg_ext(color);
+						screen_set_fg(color);
 					} else  {
-						screen_set_bg_ext(color);
+						screen_set_bg(color);
 					}
 				}
 				else {
@@ -664,7 +664,8 @@ do_csi_set_private_option(CSI_Data *opts)
 		}
 		else if (n == 3) {
 			// DECCOLM 132 column mode - not implemented due to RAM demands
-			ansi_noimpl("132col");
+			// XXX 132col
+			// ansi_noimpl("132col");
 
 			// DECCOLM side effects as per
 			// https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/deccolm-cls.html
@@ -688,7 +689,7 @@ do_csi_set_private_option(CSI_Data *opts)
 			// Key auto-repeat
 			// We don't implement this currently, but it could be added
 			// - discard repeated keypress events between keydown and keyup.
-			ansi_noimpl("Auto-repeat toggle");
+			// XXX auto repeat toggle
 		}
 		else if (n == 9 || (n >= 1000 && n <= 1006) || n == 1015) {
 			// 9 - X10 tracking
@@ -708,7 +709,7 @@ do_csi_set_private_option(CSI_Data *opts)
 			else if (n == 1006) mouse_tracking.encoding = yn ? MTE_SGR : MTE_SIMPLE;
 			else if (n == 1015) mouse_tracking.encoding = yn ? MTE_URXVT : MTE_SIMPLE;
 
-			dbg("Mouse mode=%d, enc=%d, foctr=%d",
+			ansi_dbg("Mouse mode=%d, enc=%d, foctr=%d",
 				mouse_tracking.mode,
 				mouse_tracking.encoding,
 				mouse_tracking.focus_tracking);
@@ -722,7 +723,7 @@ do_csi_set_private_option(CSI_Data *opts)
 		else if (n == 40) {
 			// allow/disallow 80->132 mode
 			// not implemented because of RAM demands
-			ansi_noimpl("132col enable");
+			// ansi_noimpl("132col enable");
 		}
 		else if (n == 45) {
 			// reverse wrap-around
@@ -756,7 +757,7 @@ do_csi_set_private_option(CSI_Data *opts)
 		}
 		else if (n == 2004) {
 			// Bracketed paste mode
-			ansi_noimpl("Bracketed paste");
+			screen_set_bracketed_paste(yn);
 		}
 		else if (n == 800) { // ESPTerm: Toggle display of buttons
 			termconf_live.show_buttons = yn;
diff --git a/user/apars_osc.c b/user/apars_osc.c
index 28c68b0..df68d07 100644
--- a/user/apars_osc.c
+++ b/user/apars_osc.c
@@ -40,6 +40,9 @@ apars_handle_osc(char *buffer)
 			// Window title (or "icon name" in Xterm)
 			screen_set_title(buffer);
 		}
+		else if (n == 4) {
+			// XXX setting RGB color, ignore
+		}
 		else if (n == 9) {
 			// iTerm2-style "growl" notifications
 			buffer--;
diff --git a/user/screen.c b/user/screen.c
index 9b3006c..49b611b 100644
--- a/user/screen.c
+++ b/user/screen.c
@@ -28,10 +28,10 @@ static void utf8_remap(char* out, char g, char charset);
 /**
  * Screen cell data type (16 bits)
  */
-typedef struct __attribute__((packed)){
+typedef struct __attribute__((packed)) {
 	UnicodeCacheRef symbol : 8;
-	Color fg : 8;
-	Color bg : 8;
+	Color fg;
+	Color bg;
 	u8 attrs;
 } Cell;
 
@@ -68,8 +68,8 @@ static struct {
 #define R1 scr.vm1
 #define RH (scr.vm1 - scr.vm0 + 1)
 // horizontal edges - will be useful if horizontal margin is implemented
-#define C0 0
-#define C1 (W-1)
+//#define C0 0
+//#define C1 (W-1)
 
 typedef struct {
 	/* Cursor position */
@@ -1165,7 +1165,6 @@ screen_reverse_wrap_enable(bool enable)
 void ICACHE_FLASH_ATTR
 screen_set_fg(Color color)
 {
-	if (color > COLOR_MAX) color = COLOR_MAX;
 	cursor.fg = color;
 }
 
@@ -1175,28 +1174,9 @@ screen_set_fg(Color color)
 void ICACHE_FLASH_ATTR
 screen_set_bg(Color color)
 {
-	if (color > COLOR_MAX) color = COLOR_MAX;
 	cursor.bg = color;
 }
 
-/**
- * Set cursor foreground color, extended
- */
-void ICACHE_FLASH_ATTR
-screen_set_fg_ext(u16 color)
-{
-	// TODO validate and set
-}
-
-/**
- * Set cursor background color, extended
- */
-void ICACHE_FLASH_ATTR
-screen_set_bg_ext(u16 color)
-{
-	// TODO validate and set
-}
-
 void ICACHE_FLASH_ATTR
 screen_set_sgr(u8 attrs, bool ena)
 {
@@ -1264,6 +1244,14 @@ screen_set_reverse_video(bool reverse)
 	NOTIFY_DONE();
 }
 
+void ICACHE_FLASH_ATTR
+screen_set_bracketed_paste(bool ena)
+{
+	NOTIFY_LOCK();
+	scr.bracketed_paste = ena;
+	NOTIFY_DONE();
+}
+
 void ICACHE_FLASH_ATTR
 screen_set_newline_mode(bool nlm)
 {
@@ -1562,6 +1550,7 @@ struct ScreenSerializeState {
 void ICACHE_FLASH_ATTR
 screenSerializeLabelsToBuffer(char *buffer, size_t buf_len)
 {
+	(void)buf_len;
 	// let's just assume it's long enough - called with the huge websocket buffer
 	sprintf(buffer, "T%s\x01%s\x01%s\x01%s\x01%s\x01%s", // use 0x01 as separator
 			termconf_live.title,
@@ -1658,10 +1647,17 @@ screenSerializeToBuffer(char *buffer, size_t buf_len, void **data)
 			(termconf_live.show_buttons << 7) |
 			(termconf_live.show_config_links << 8) |
 			((termconf_live.cursor_shape&0x07) << 9) | // 9,10,11 - cursor shape based on DECSCUSR
-		    (termconf_live.crlf_mode << 12)
+		    (termconf_live.crlf_mode << 12) |
+			(scr.bracketed_paste << 13)
 	    );
 	}
 
+#define SEQ_TAG_REPEAT '\x02'
+#define SEQ_TAG_COLORS '\x03'
+#define SEQ_TAG_ATTRS '\x04'
+#define SEQ_TAG_FG '\x05'
+#define SEQ_TAG_BG '\x06'
+
 	int i = ss->index;
 	while(i < W*H && remain > 12) {
 		cell = cell0 = &screen[i];
@@ -1681,7 +1677,9 @@ screenSerializeToBuffer(char *buffer, size_t buf_len, void **data)
 		if (repCnt == 0) {
 			// No repeat
 			bool changeAttrs = cell0->attrs != ss->lastAttrs;
-			bool changeColors = (cell0->fg != ss->lastFg || cell0->bg != ss->lastBg);
+			bool changeFg = cell0->fg != ss->lastFg;
+			bool changeBg = cell0->bg != ss->lastBg;
+			bool changeColors = changeFg && changeBg;
 			Color fg, bg;
 
 			// Reverse fg and bg if we're in global reverse mode
@@ -1694,16 +1692,18 @@ screenSerializeToBuffer(char *buffer, size_t buf_len, void **data)
 				bg = cell0->fg;
 			}
 
-			if (!changeAttrs && changeColors) {
-				bufput_t2B('\x03', fg | (bg<<4));
+			if (changeColors) {
+				bufput_t3B(SEQ_TAG_COLORS, bg<<8 | fg);
 			}
-			else if (changeAttrs && !changeColors) {
-				// attrs only
-				bufput_t2B('\x04', cell0->attrs);
+			else if (changeFg) {
+				bufput_t2B(SEQ_TAG_FG, fg);
 			}
-			else if (changeAttrs && changeColors) {
-				// colors and attrs
-				bufput_t3B('\x01', (u32) (fg | (bg<<4) | (cell0->attrs<<8)));
+			else if (changeBg) {
+				bufput_t2B(SEQ_TAG_BG, bg);
+			}
+
+			if (changeAttrs) {
+				bufput_t2B(SEQ_TAG_ATTRS, cell0->attrs);
 			}
 
 			// copy the symbol, until first 0 or reached 4 bytes
@@ -1728,7 +1728,7 @@ screenSerializeToBuffer(char *buffer, size_t buf_len, void **data)
 			int savings = ss->lastCharLen*repCnt;
 			if (savings > 3) {
 				// Repeat count
-				bufput_t2B('\x02', repCnt);
+				bufput_t2B(SEQ_TAG_REPEAT, repCnt);
 			} else {
 				// repeat it manually
 				for(int k = 0; k < repCnt; k++) {
diff --git a/user/screen.h b/user/screen.h
index e5918ea..3ae7f04 100644
--- a/user/screen.h
+++ b/user/screen.h
@@ -238,10 +238,6 @@ typedef uint8_t Color; // 0-16
 void screen_set_fg(Color color);
 /** Set cursor background coloor */
 void screen_set_bg(Color color);
-/** Set cursor foreground color, extended */
-void screen_set_fg_ext(u16 color);
-/** Set cursor background coloor, extended */
-void screen_set_bg_ext(u16 color);
 /** Enable/disable attrs by bitmask */
 void screen_set_sgr(u8 attrs, bool ena);
 /** Set the inverse attribute */
@@ -265,6 +261,8 @@ void screen_set_reverse_video(bool reverse);
 void screen_save_private_opt(int n);
 /** Restore DECOPT */
 void screen_restore_private_opt(int n);
+/** Set bracketed paste */
+void screen_set_bracketed_paste(bool ena);
 
 // --- Charset ---
 
diff --git a/user/serial.c b/user/serial.c
index f2dcae3..4ecb128 100644
--- a/user/serial.c
+++ b/user/serial.c
@@ -31,7 +31,7 @@ buf_pop(void *unused)
 		lb_ls++;
 		if (lb_ls >= LOGBUF_SIZE) lb_ls = 0;
 
-		if (OK == UART_WriteCharCRLF(UART1, logbuf[lb_ls], 1000)) {
+		if (OK == UART_WriteCharCRLF(UART1, logbuf[lb_ls], 5)) {
 			quantity--;
 		} else {
 			// try another time
diff --git a/user/user_main.c b/user/user_main.c
index 86bf9c1..5cdb3e0 100644
--- a/user/user_main.c
+++ b/user/user_main.c
@@ -64,12 +64,12 @@ static void ICACHE_FLASH_ATTR prHeapTimerCb(void *arg)
 	if (diff == 0) {
 		if (cnt == 5) {
 			// only every 5 secs if no change
-			dbg("Free heap: %d bytes", heap);
+			dbg("FH: %d", heap);
 			cnt = 0;
 		}
 	} else {
 		// report change
-		dbg("Free heap: %d bytes (%s%d)", heap, cc, diff);
+		dbg("FH: %d (%s%d)", heap, cc, diff);
 		cnt = 0;
 	}
 
@@ -79,13 +79,14 @@ static void ICACHE_FLASH_ATTR prHeapTimerCb(void *arg)
 
 // Deferred init
 static void user_start(void *unused);
+static void user_start2(void *unused);
+
+static ETSTimer userStartTimer;
+static ETSTimer prHeapTimer;
 
 //Main routine. Initialize stdout, the I/O, filesystem and the webserver and we're done.
 void ICACHE_FLASH_ATTR user_init(void)
 {
-	static ETSTimer userStartTimer;
-	static ETSTimer prHeapTimer;
-
 	serialInitBase();
 
 	// Prevent WiFi starting and connecting by default
@@ -113,17 +114,14 @@ void ICACHE_FLASH_ATTR user_init(void)
 
 #if DEBUG_HEAP
 	// Heap use timer & blink
-	os_timer_disarm(&prHeapTimer);
-	os_timer_setfn(&prHeapTimer, prHeapTimerCb, NULL);
-	os_timer_arm(&prHeapTimer, 1000, 1);
+	TIMER_START(&prHeapTimer, prHeapTimerCb, 1000, 1);
 #endif
 
 	// do later (some functions do not work if called from user_init)
-	os_timer_disarm(&userStartTimer);
-	os_timer_setfn(&userStartTimer, user_start, NULL);
-	os_timer_arm(&userStartTimer, 10, 0);
+	TIMER_START(&userStartTimer, user_start, 10, 0);
 }
 
+
 static void ICACHE_FLASH_ATTR user_start(void *unused)
 {
 	// Load and apply stored settings, or defaults if stored settings are invalid