The following is the compatibility matrix:
| Spring for Apache Pulsar | Pulsar Client | Pulsar Reactive Client | Spring Boot | Java | 
|---|---|---|---|---|
| 1.2.x | 3.3.x | 0.6.x | 3.4.x | 17+ | 
| 1.1.x | 3.2.x | 0.5.x | 3.3.x | 17+ | 
| 1.0.x | 3.0.x / 3.1.x | 0.3.x - 0.5.x | 3.2.x | 17+ | 
| 0.2.x | 2.11.x | 0.2.x | 3.0.x / 3.1.x(*) | 17+ | 
| In version  However, prior to version  | 
| In version  However, prior to version  |