# Reduce escape sequence latency — default 500ms makes scroll feel completely broken # in TUI apps (Claude Code, vim, etc.) because each wheel event uses escape sequences. set -s escape-time 10 # Pass focus events through to applications (Claude Code uses these) set -g focus-events on # True color passthrough set -ga terminal-overrides ",*256col*:Tc" # Larger scrollback for when you need tmux copy mode set -g history-limit 50000