Earlier this week, Oracle released their Q4 releases series. As on the previous releases, backward compatibility has been broken with previous versions of the server. This time on both MySQL 5.7 and 8.0: MySQL 5.7.32 While our QA team was performing an extensive test on it,  we found out this version introduced a new compression [&]

https://www.percona.com/blog/2020/10/23/mysql-new-releases-and-percona-xtrabackup-incompatibilities/