Helix Escape Key Delay in tmux
Fixed in latest version Linux, macOS Updated November 15, 2026Based on 2 user reportsHow we research
Quick answer
tmux and screen wait for more keys before passing Escape. Set escape-time to 0 or 10.
Most likely fix: tmux
How to fix it
Try these in order — the most common fix is first.
1. tmux
- Add set -sg escape-time 0 (or 10) to tmux.conf
- Restart tmux
Did this fix it?2. screen
- Add maptimeout 0 (or 10) to screenrc
Did this fix it?
Symptoms
Switching from insert to normal mode lags inside tmux or screen.
Why it happens
- tmux escape-time default waits for escape sequences
This guide also covers
- helix escape delay tmux
- helix esc slow
- helix tmux lag
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