In article they explain, that previous version (CheerpJ 2.0) used AOT, but "CI setup was often felt as an unwelcome burden, and many of enterprise users found i

In article they explain, that previous version (CheerpJ 2.0) used AOT, but "CI setup was often felt as an unwelcome burden, and many of enterprise users found it hard to run the actual AOT compiler binaries on their controlled environments". So they decided to go to interpreter + JIT instead of AOT...