Individual skill
hibernate-upgrade
Migrate Hibernate 5 to Hibernate 6 with Spring Boot 3. Use when fixing HQL/JPQL query parsing issues, removing deprecated Criteria API, updating ID generation strategies, or diagnosing N+1 query behavior changes. Covers breaking changes, type mappings, and performance monitoring.
tasks/spring-boot-jakarta-migration/environment/skills/hibernate-upgrade/SKILL.md
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# Hibernate 5 to 6 Upgrade Skill
## Overview
Spring Boot 3 uses Hibernate 6, which includes significant changes from Hibernate 5. This skill covers the key migration considerations.
## Key Changes
### 1. Package Namespace
Hibernate 6 uses Jakarta Persistence:
```java
// Before (Hibernate 5)