systhist
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Description:
Lists full system and security update installation history
Type: Cask  |  Latest Version: 1.21,2025.06@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: System utilities
Tags: macos system history updates security audit
Install: brew install --cask systhist
About:
SystHist is a utility that scans macOS system logs to compile a detailed timeline of all system and security updates installed on the machine. It provides a clear, readable history that helps users and administrators track patch levels and verify compliance. This tool is invaluable for auditing system maintenance and understanding the update history at a glance.
Key Features:
  • Parses detailed macOS system logs for update events
  • Generates a clear, chronological list of all installations
  • Filters specifically for system and security-related updates
  • Presents data in an easy-to-read format for quick analysis
Use Cases:
  • Auditing a Mac's update history for security compliance
  • Diagnosing issues that may have started after a specific system update
  • Verifying that automatic updates have been applied correctly
Alternatives:
  • softwareupdate – Apple's built-in command shows pending and recent updates, but SystHist provides a more comprehensive historical log.
  • Console.app – The native Console app can show log entries, but SystHist automates the filtering and formatting for a much clearer view.
Version History
Detected Version Rev Change Commit
Aug 12, 2025 8:53am 1.21,2025.06 0 NEW 81007bec