Migration Guides
- 4.0 Migration Guide
- 3.6 Migration Guide
- 3.5 Migration Guide
- 3.4 Migration Guide
- 3.3 Migration Guide
- 3.2 Migration Guide
- 3.1 Migration Guide
- 3.0 Migration Guide
- 2.7 Migration Guide
- 2.6 Migration Guide
- 2.5 Migration Guide
- 2.4 Migration Guide
- 2.3 Migration Guide
- 2.2 Migration Guide
- 2.1 Migration Guide
- XFire Migration Guide
- Celtix Migration Guide
API changes review across versions since Apache CXF 3.0.0
The API differences in various versions of CXF since 3.0.0 can be seen here.