We've just released version 2.16.22 which includes effective defenses against HTTP/2 BOMB attacks:
https://aprelium.com/news/abws2-16-22.html
An official change log is also available in https://aprelium.com/abyssws/changelog.html#2.16.22 .
Big thanks to all our customers and users who helped test and validate the new release. 👏