Dear Maintainers, The issue is caused by Java 25 disabling annotation processing by default and outdated version of lombok. I have proposed MR[1][2] to address the issue.
Best Regards, Vladimir. [1] https://salsa.debian.org/java-team/lombok/-/merge_requests/4 [2] https://salsa.debian.org/java-team/libejml-java/-/merge_requests/4

