ESXi 8.0 requires a SHA-256 hash of the gzipped payload to be provided in the manifest. The VIB author tool doesn't include this functionality for SHA-1 but not SHA-256. The build process has therefore been modified to take VIB author out of the game
Letsencrypt has some hiccups sometimes during renewals. Instead of instantly replacing a still valid cert with a self-signed, it should be kept, while it hasn't expired
