tmux -CC does not react to `tmux split-window`
Author: mawwwCreated Mar 25, 2025Updated Sep 17, 2026
LabelsbugPR welcome!T: tmux -CC
What Operating System(s) are you seeing this problem on?
macOS
Which Wayland compositor or X11 Window manager(s) are you using?
No response
WezTerm version
20250320-072107-a8735851
Did you try the latest nightly build to see if the issue is better (or worse!) than your current version?
Yes, and I updated the version box above to show the version of the nightly that I tried
Describe the bug
tmux -CC support seems to not react to tmux induced layout change
To Reproduce
run tmux -CC, then in the tmux session tmux split-window. observe that no new pane appears, detach from tmux then run tmux -CC attach, observe that we now see the new tmux pane.
Configuration
no config
Expected Behavior
We should immediately see the new pane appear.
Logs
No response
Anything else?
No response
Source: wezterm/wezterm