Most guides say 'enable it' without explaining what gets blocked and why. Topics: how Gatekeeper assessment works, what notarization means, how to safely approve specific unsigned software for lab tools (old emulators, niche dev tools) without permanently weakening the setting, spctl commands for per-app approval, and what to check if Gatekeeper blocks something you need.
Most guides say 'enable it' without explaining what gets blocked and why. Topics: how Gatekeeper assessment works, what notarization means, how to safely approve specific unsigned software for lab tools (old emulators, niche dev tools) without permanently weakening the setting, spctl commands for per-app approval, and what to check if Gatekeeper blocks something you need.