Research, production notes and practical guides for real-time digital humans, creative AI, voice and character workflows.
An NEPacketTunnelProvider packaged as an app extension works on the Mac App Store and nowhere else. Shipping the same app as a signed download means rebuilding the tunnel as a system extension.
A Mac app can pass notarization, satisfy codesign, be accepted by Gatekeeper, and still be killed by the kernel the moment you double-click it. Here is why, and a three-minute test that tells you before your users do.
Overwriting a file at the same URL means your CDN keeps serving the old bytes for hours. If nobody on the team holds a cache-purge token, the filename is your only cache key.