Give your app the com.apple.security.cs.allow-unsigned-executable-memory entitlement, or Electron will fail to run when hardened runtime is enabled Notarize all your builds before they're distributed: Build the executable, but don't package it into a DMG/etc yet Create an entitlements file, and set the entitlements and entitlements-inherit config properties of electron-osx-sign to use it The minimal entitlements file for an Electron app looks like this: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>com.apple.security.cs.allow-unsigned-executable-memory</key> <true/> </dict> </plist> The entitlements and entitlements-inherit configuration properties should be a…