Tom Ashworth • 3/24/2026

Phantom notifications from mise in iTerm

This article addresses a common issue for users of mise (a tool version manager) and iTerm2 on macOS. When changing directories, phantom macOS notifications appear due to iTerm2's 'Send escape sequence-generated alerts' setting picking up OSC escape sequences emitted by mise's terminal_progress feature. The article details the root cause—mise's shell hook firing notifications during environment updates—and provides a straightforward fix: disabling terminal_progress in the mise config file. It's a concise technical troubleshooting guide for developers using these tools.

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#configuration #terminal #iterm2