Update

.config/tmux/tmux.conf

@@ -27,6 +27,9 @@ bind-key -n C-S-Right swap-window -t +1
 # Remove the delay for the escape key so vim is usable
 set -g escape-time 0
 
+# Proxy focus events
+set -g focus-events on
+
 # Set the default terminal mode to 256color mode.
 set -g default-terminal "screen-256color"