Judit Gera-Kapinya ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiMDU5MmM5ZjNm... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16057?atlOrigin=eyJpIjoiMDU5Mm... ) HHH-16057 ( https://hibernate.atlassian.net/browse/HHH-16057?atlOrigin=eyJpIjoiMDU5Mm... ) PreUpdate entity listener is broken with runtime bytecode enhancement ( https://hibernate.atlassian.net/browse/HHH-16057?atlOrigin=eyJpIjoiMDU5Mm... ) Issue Type: Bug Affects Versions: 5.6.14 Assignee: Unassigned Attachments: reproducer.zip Components: bytecode-enhancement Created: 18/Jan/2023 05:24 AM Priority: Major Reporter: Judit Gera-Kapinya ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) PreUpdate should be called only if the data was actually changed. In 5.6.14 it is called, even if it was not changed. Worked in 5.6.9. It seems that due to https://hibernate.atlassian.net/browse/HHH-15641 ( https://hibernate.atlassian.net/browse/HHH-15641 ) the byte code enhancement cannot be switched off. Please find a very basic reproducer project attached. ( https://hibernate.atlassian.net/browse/HHH-16057#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16057#add-comment?atlOrigin=ey... ) Get Jira notifications on your phone! Download the Jira Cloud app for Android ( https://play.google.com/store/apps/details?id=com.atlassian.android.jira.... ) or iOS ( https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=Em... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100214- sha1:0a999ef )