Rare find

Retroactive. Run old Mac apps on new versions of macOS.

github.com/cormiertyshawn895/Retroactive
by @cormiertyshawn895

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Updates

June 2026
  • Adds support for macOS Golden Gate, macOS Tahoe, and macOS Sequoia
  • Release —Retroactive 3.0
August 2024
  • Discontinue Retroactive.
February 2024
  • Resolves a problem where Aperture and iPhoto quit unexpectedly on mac…
  • Release —Retroactive 2.1
September 2022
  • Release —Retroactive 2.0
  • Improve compatibility with macOS Ventura and macOS Monterey.
November 2020
  • Resolves an issue where Aperture fails launch under Rosetta 2.
  • Allow users choose between optimizing Aperture for macOS Big Sur and …
  • Fix importing photos from external media and restore video codecs.
  • Add a note about the Apple Pro Video Formats update.
September 2020
  • Add a selector and simplify the modification code path.
  • Update screenshots and image assets for macOS Big Sur.
  • Bump version number and declare macOS Big Sur support.
  • Release —Retroactive 1.9
  • Add a selector.
  • Support iPhoto on macOS Big Sur.
  • Accommodate updated System Preferences window size.
  • Support unlocking Xcode 11.7 on macOS Mojave.
August 2020
  • Improve phrasing and bump the build.
June 2020
  • Add support for unlocking Xcode 11.6 on macOS Mojave and limited expe…
  • Release —Retroactive 1.8
April 2020
  • Adds support for unlocking Xcode 11.5 on macOS Mojave.
  • Improve reliability of modifying Final Cut Pro 7.
  • Fix version checking logic.
  • Release —Retroactive 1.7
March 2020
  • Release —Retroactive 1.6
February 2020
  • Release —Retroactive 1.5
January 2020
  • Release —Retroactive 1.4
November 2019
  • Release —Retroactive 1.3