To save some time upgrading all U-he plugins I did:
#!/usr/bin/env bash
set -e
wget -q --show-progress -r -np -nd -l1 -A Mac.zip https://uhe-dl.b-cdn.net/releases/ -P dl/
for file in dl/*.zip; do unzip -j -o "$file" -d staging "*.pkg"; done
for file in staging/*.pkg; do sudo installer -pkg "$file" -target /; done
Beware, there is an ongoing spambot attack in #GitHub issues in several projects were random people suggest "the fix" is to download a random file from mediafire.com. Like this: