diff --git a/cmd-command-prompt.c b/cmd-command-prompt.c
index e5c2b12c..c5f958cd 100644
--- a/cmd-command-prompt.c
+++ b/cmd-command-prompt.c
@@ -42,8 +42,8 @@ const struct cmd_entry cmd_command_prompt_entry = {
 	.name = "command-prompt",
 	.alias = NULL,
 
-	.args = { "1beFiklI:Np:t:T:", 0, 1, cmd_command_prompt_args_parse },
-	.usage = "[-1beFiklN] [-I inputs] [-p prompts] " CMD_TARGET_CLIENT_USAGE
+	.args = { "1CbeFiklI:Np:t:T:", 0, 1, cmd_command_prompt_args_parse },
+	.usage = "[-1CbeFiklN] [-I inputs] [-p prompts] " CMD_TARGET_CLIENT_USAGE
 		 " [-T prompt-type] [template]",
 
 	.flags = CMD_CLIENT_TFLAG,
@@ -165,6 +165,8 @@ cmd_command_prompt_exec(struct cmd *self, struct cmdq_item *item)
 		cdata->flags |= PROMPT_KEY;
 	else if (args_has(args, 'e'))
 		cdata->flags |= PROMPT_BSPACE_EXIT;
+	if (args_has(args, 'C'))
+		cdata->flags |= PROMPT_NOFREEZE;
 	status_prompt_set(tc, target, cdata->prompts[0].prompt,
 	    cdata->prompts[0].input, cmd_command_prompt_callback,
 	    cmd_command_prompt_free, cdata, cdata->flags, cdata->prompt_type);
diff --git a/control-notify.c b/control-notify.c
index ba6a8355..0ced0c87 100644
--- a/control-notify.c
+++ b/control-notify.c
@@ -24,7 +24,8 @@
 #include "tmux.h"
 
 #define CONTROL_SHOULD_NOTIFY_CLIENT(c) \
-	((c) != NULL && ((c)->flags & CLIENT_CONTROL))
+	((c) != NULL && ((c)->flags & CLIENT_CONTROL) && \
+	 (c)->control_state != NULL)
 
 void
 control_notify_pane_mode_changed(int pane)
diff --git a/control.c b/control.c
index 0273227f..2fc97b5e 100644
--- a/control.c
+++ b/control.c
@@ -828,6 +828,9 @@ control_stop(struct client *c)
 	struct control_block	*cb, *cb1;
 	struct control_sub	*csub, *csub1;
 
+	if (cs == NULL)
+		return;
+
 	if (~c->flags & CLIENT_CONTROLCONTROL)
 		bufferevent_free(cs->write_event);
 	bufferevent_free(cs->read_event);
@@ -841,6 +844,7 @@ control_stop(struct client *c)
 		control_free_block(cs, cb);
 	control_reset_offsets(c);
 
+	c->control_state = NULL;
 	free(cs);
 }
 
diff --git a/format.c b/format.c
index 5b7ed129..74399665 100644
--- a/format.c
+++ b/format.c
@@ -90,6 +90,9 @@ format_job_cmp(struct format_job *fj1, struct format_job *fj2)
 /* Maimum repeat size. */
 #define FORMAT_MAX_REPEAT 10000
 
+/* Maimum precision. */
+#define FORMAT_MAX_PRECISION 100
+
 /* Format modifiers. */
 #define FORMAT_TIMESTRING 0x1
 #define FORMAT_BASENAME 0x2
@@ -4886,7 +4889,8 @@ format_replace_expression(struct format_modifier *mexp,
 
 	/* The third argument may be precision. */
 	if (argc >= 3) {
-		prec = strtonum(mexp->argv[2], INT_MIN + 1, INT_MAX, &errstr);
+		prec = strtonum(mexp->argv[2], -FORMAT_MAX_PRECISION,
+		    FORMAT_MAX_PRECISION, &errstr);
 		if (errstr != NULL) {
 			format_log(es, "expression precision %s: %s", errstr,
 			    mexp->argv[2]);
@@ -5079,8 +5083,10 @@ format_replace(struct format_expand_state *es, const char *key, size_t keylen,
 				if (strchr(fm->argv[0], 'p') != NULL)
 					modifiers |= FORMAT_PRETTY;
 				else if (fm->argc >= 2 &&
-				    strchr(fm->argv[0], 'f') != NULL)
+				    strchr(fm->argv[0], 'f') != NULL) {
+					free(time_format);
 					time_format = format_strip(fm->argv[1]);
+				}
 				break;
 			case 'q':
 				if (fm->argc < 1)
diff --git a/key-bindings.c b/key-bindings.c
index 3ccb7475..4bb7d801 100644
--- a/key-bindings.c
+++ b/key-bindings.c
@@ -29,7 +29,8 @@
 	" 'Previous' 'p' {switch-client -p}" \
 	" ''" \
 	" 'Renumber' 'N' {move-window -r}" \
-	" 'Rename' 'n' {command-prompt -I \"#S\" {rename-session -- '%%'}}" \
+	" 'Rename' 'r' {command-prompt -I \"#S\" {rename-session -- '%%'}}" \
+	" 'Detach' 'd' {detach-client}" \
 	" ''" \
 	" 'New Session' 's' {new-session}" \
 	" 'New Window' 'w' {new-window}"
diff --git a/notify.c b/notify.c
index d42e2b9d..8605601c 100644
--- a/notify.c
+++ b/notify.c
@@ -208,8 +208,12 @@ notify_add(const char *name, struct cmd_find_state *fs, struct client *c,
 		format_add(ne->formats, "hook_window", "@%u", w->id);
 		format_add(ne->formats, "hook_window_name", "%s", w->name);
 	}
-	if (wp != NULL)
+	if (wp != NULL) {
 		format_add(ne->formats, "hook_pane", "%%%d", wp->id);
+		format_add(ne->formats, "hook_window", "@%u", wp->window->id);
+		format_add(ne->formats, "hook_window_name", "%s",
+		    wp->window->name);
+	}
 	format_log_debug(ne->formats, __func__);
 
 	if (c != NULL)
diff --git a/options-table.c b/options-table.c
index 34bffcdd..aefd2db9 100644
--- a/options-table.c
+++ b/options-table.c
@@ -414,10 +414,10 @@ const struct options_table_entry options_table[] = {
 	  .choices = options_table_get_clipboard_list,
 	  .default_num = 1,
 	  .text = "When an application requests the clipboard, whether to "
-	          "ignore the request ('off'); respond with the newest buffer "
-	          "('buffer'); request the clipboard from the most recently "
-	          "used terminal ('request'); or to request the clipboard, "
-	          "create a buffer, and send it to the application ('both')."
+		  "ignore the request ('off'); respond with the newest buffer "
+		  "('buffer'); request the clipboard from the most recently "
+		  "used terminal ('request'); or to request the clipboard, "
+		  "create a buffer, and send it to the application ('both')."
 	},
 
 	{ .name = "history-file",
@@ -1024,7 +1024,8 @@ const struct options_table_entry options_table[] = {
 	  .scope = OPTIONS_TABLE_SESSION,
 	  .flags = OPTIONS_TABLE_IS_ARRAY,
 	  .default_str = "DISPLAY KRB5CCNAME MSYSTEM SSH_ASKPASS SSH_AUTH_SOCK "
-			 "SSH_AGENT_PID SSH_CONNECTION WINDOWID XAUTHORITY",
+			 "SSH_AGENT_PID SSH_CONNECTION WAYLAND_DISPLAY "
+			 "WINDOWID XAUTHORITY",
 	  .text = "List of environment variables to update in the session "
 		  "environment when a client is attached."
 	},
diff --git a/popup.c b/popup.c
index bed2b947..2092e185 100644
--- a/popup.c
+++ b/popup.c
@@ -103,6 +103,27 @@ static const struct menu_item popup_internal_menu_items[] = {
 	{ NULL, KEYC_NONE, NULL }
 };
 
+static void
+popup_free(struct popup_data *pd)
+{
+	server_client_unref(pd->c);
+
+	if (pd->job != NULL)
+		job_free(pd->job);
+	input_free(pd->ictx);
+
+	free(pd->or[0].ranges);
+	free(pd->or[1].ranges);
+	free(pd->r.ranges);
+	screen_free(&pd->s);
+	colour_palette_free(&pd->palette);
+
+	free(pd->title);
+	free(pd->style);
+	free(pd->border_style);
+	free(pd);
+}
+
 static void
 popup_reapply_styles(struct popup_data *pd)
 {
@@ -343,22 +364,8 @@ popup_free_cb(struct client *c, void *data)
 			cmdq_get_client(item)->retval = pd->status;
 		cmdq_continue(item);
 	}
-	server_client_unref(pd->c);
 
-	if (pd->job != NULL)
-		job_free(pd->job);
-	input_free(pd->ictx);
-
-	free(pd->or[0].ranges);
-	free(pd->or[1].ranges);
-	free(pd->r.ranges);
-	screen_free(&pd->s);
-	colour_palette_free(&pd->palette);
-
-	free(pd->title);
-	free(pd->style);
-	free(pd->border_style);
-	free(pd);
+	popup_free(pd);
 }
 
 static void
@@ -857,6 +864,10 @@ popup_display(int flags, enum box_lines lines, struct cmdq_item *item, u_int px,
 		pd->job = job_run(shellcmd, argc, argv, env, s, cwd,
 		    popup_job_update_cb, popup_job_complete_cb, NULL, pd,
 		    JOB_NOWAIT|JOB_PTY|JOB_KEEPWRITE|JOB_DEFAULTSHELL, jx, jy);
+		if (pd->job == NULL) {
+			popup_free(pd);
+			return (-1);
+		}
 		pd->ictx = input_init(NULL, job_get_event(pd->job),
 		    &pd->palette, c);
 	}
diff --git a/regress/input-keys.sh b/regress/input-keys.sh
index d3b90995..96d2d5e8 100644
--- a/regress/input-keys.sh
+++ b/regress/input-keys.sh
@@ -7,9 +7,10 @@ TERM=screen
 TMUX="$TEST_TMUX -Ltest"
 $TMUX kill-server 2>/dev/null
 sleep 1
-$TMUX -f/dev/null new -x20 -y2 -d || exit 1
+$TMUX -f/dev/null new -x20 -y2 -d \; set -g escape-time 0 || exit 1
+sleep 1
+W=$($TMUX new-window -P -- sh -c 'stty raw -echo && cat -tv')
 sleep 1
-$TMUX set -g escape-time 0
 
 exit_status=0
 
@@ -17,14 +18,13 @@ assert_key () {
 	key=$1
 	expected_code=$2
 
-	W=$($TMUX new-window -P -- sh -c 'stty raw -echo && cat -tv')
-	$TMUX send-keys -t$W "$key" 'EOL' || exit 1
-	sleep 0.2
+	$TMUX send-keys -t$W -R \; \
+	      clear-history -t$W \; \
+	      send-keys -t$W "$key" 'EOL' || exit 1
 
 	actual_code=$($TMUX capturep -pt$W | \
 			      head -1 | \
 			      sed -e 's/EOL.*$//')
-	$TMUX kill-window -t$W || exit 1
 
 	if [ "$actual_code" = "$expected_code" ]; then
 		if [ -n "$VERBOSE" ]; then
diff --git a/status.c b/status.c
index c39d0d8f..5ecf7bf9 100644
--- a/status.c
+++ b/status.c
@@ -728,7 +728,7 @@ status_prompt_set(struct client *c, struct cmd_find_state *fs,
 	c->prompt_type = prompt_type;
 	c->prompt_mode = PROMPT_ENTRY;
 
-	if (~flags & PROMPT_INCREMENTAL)
+	if ((~flags & PROMPT_INCREMENTAL) && (~flags & PROMPT_NOFREEZE))
 		c->tty.flags |= TTY_FREEZE;
 	c->flags |= CLIENT_REDRAWSTATUS;
 
diff --git a/tmux.1 b/tmux.1
index c3f0d9b2..fe874a1c 100644
--- a/tmux.1
+++ b/tmux.1
@@ -7126,7 +7126,7 @@ See
 for possible values for
 .Ar prompt\-type .
 .It Xo Ic command\-prompt
-.Op Fl 1beFiklN
+.Op Fl 1bCeFiklN
 .Op Fl I Ar inputs
 .Op Fl p Ar prompts
 .Op Fl t Ar target\-client
@@ -7196,6 +7196,9 @@ is like
 but the key press is translated to a key name.
 .Fl N
 makes the prompt only accept numeric key presses.
+If
+.Fl C
+given, panes will continue to be updated while the prompt is displayed.
 .Fl i
 executes the command every time the prompt input changes instead of when the
 user exits the command prompt.
diff --git a/tmux.h b/tmux.h
index b2a7016f..08d6d305 100644
--- a/tmux.h
+++ b/tmux.h
@@ -2165,6 +2165,7 @@ struct client {
 #define PROMPT_ACCEPT 0x20
 #define PROMPT_QUOTENEXT 0x40
 #define PROMPT_BSPACE_EXIT 0x80
+#define PROMPT_NOFREEZE 0x100
 	int			 prompt_flags;
 	enum prompt_type	 prompt_type;
 	int			 prompt_cursor;