diff --git a/debian/changelog b/debian/changelog
index d4bba8e9..96ca92a8 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,6 +1,10 @@
 byobu (5.87) unreleased; urgency=medium
 
-  * UNRELEASED
+  [ Fazle AREFIN ]
+  * usr/share/byobu/keybindings/f-keys.tmux,
+    usr/share/byobu/keybindings/f-keys.tmux.disable,
+    usr/share/doc/byobu/help.tmux.txt: LP: #1375794
+    - enable toggling of sending input to all splits
 
  -- Dustin Kirkland <kirkland@ubuntu.com>  Thu, 14 Aug 2014 00:34:46 -0500
 
diff --git a/usr/share/byobu/keybindings/f-keys.tmux b/usr/share/byobu/keybindings/f-keys.tmux
index 0b72b231..09906489 100644
--- a/usr/share/byobu/keybindings/f-keys.tmux
+++ b/usr/share/byobu/keybindings/f-keys.tmux
@@ -73,6 +73,7 @@ bind-key -n C-S-F8 command-prompt -p "Save byobu layout as:" "run-shell \"byobu-
 bind-key -n F9 new-window -k -n config byobu-config
 bind-key -n S-F9 command-prompt -p "Send command to all panes:" "run-shell \"$BYOBU_PREFIX/lib/byobu/include/tmux-send-command-to-all-panes '%%'\""
 bind-key -n C-F9 command-prompt -p "Send command to all windows:" "run-shell \"$BYOBU_PREFIX/lib/byobu/include/tmux-send-command-to-all-windows '%%'\""
+bind-key -n M-F9 display-panes \; setw synchronize-panes
 bind-key -n M-F11 break-pane
 bind-key -n C-F11 join-pane -h -s :. -t :-1
 bind-key -n S-F11 resize-pane -Z
diff --git a/usr/share/byobu/keybindings/f-keys.tmux.disable b/usr/share/byobu/keybindings/f-keys.tmux.disable
index 8b02cd05..3172d5d2 100644
--- a/usr/share/byobu/keybindings/f-keys.tmux.disable
+++ b/usr/share/byobu/keybindings/f-keys.tmux.disable
@@ -72,6 +72,7 @@ unbind-key -n C-S-F8
 unbind-key -n M-S-F8
 unbind-key -n S-F8
 unbind-key -n F9
+unbind-key -n M-F9
 unbind-key -n S-F9
 unbind-key -n C-F9
 unbind-key -n M-F11
diff --git a/usr/share/doc/byobu/help.tmux.txt b/usr/share/doc/byobu/help.tmux.txt
index 277b4ba1..705922d8 100644
--- a/usr/share/doc/byobu/help.tmux.txt
+++ b/usr/share/doc/byobu/help.tmux.txt
@@ -36,6 +36,7 @@ and some convenient keybindings:
   F9                             Launch byobu-config window
     Ctrl-F9                      Enter command and run in all windows
     Shift-F9                     Enter command and run in all splits
+    Alt-F9                       Toggle sending keyboard input to all splits
   F10                            * Used by X11 *
   F11                            * Used by X11 *
     Alt-F11                      Expand split to a full window