As we approach yet another major macOS update — macOS 10.15 is expected to arrive at WWDC 2019 — it appears that time’s running out on some of the apps we’ve collected over the years. Specifically, apps that trigger a warning that reads, “This app needs to be updated by its developer to improve compatibility,” upon opening.
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https://www.laptopmag.com/articles/macos-10-15-warning-32-bit-apps