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Introduction

This section of the reference guide intends to cover in detail the capabilities that the Axon Framework provides to help build applications based on CQRS/DDD and Event Sourcing
Breaking Changes in Axon Framework 4.7!
Against our normal approach towards minor releases, we sadly had to introduce breaking changes between Axon Framework 4.6 and 4.7. Our apologies for this.
To help you with your upgrade we have constructed a dedicated page here that helps you on your path to upgrade to 4.7. If you find any irregularities concerning your upgrade, be sure to reach out to us!
A summary of the various sub-sections is given below.
Sub-Section
Purpose
Step plan explaining how to upgrade to Axon Framework 4.7
Conceptual overview of "Messages" within the Axon Framework
Commands
Command Message Development using the Axon Framework
Events
Event Message Development using the Axon Framework
Queries
Query Message Development using the Axon Framework
Sagas
Long Running Transaction development using the Axon Framework
Testing
Testing capabilities provided by the Axon Framework
Details on the serialization capabilities provided by the Axon Framework
Tuning
Tuning capabilities provided by the Axon Framework
Monitoring and Metric capabilities provided by the Axon Framework
Axon Framework integration with Spring Boot
Modules
Modules provided by the Axon Framework