Support ListenableFuture as return value in @MessageMapping handlers [SPR-12168]

[spring-projects-issues]

Sébastien Deleuze opened SPR-12168 and commented

---

Affects: 4.1 GA

Issue Links:

• Support CompletableFuture as return value in @MessageMapping handlers [SPR-12207] #16821 Support CompletableFuture as return value in @MessageMapping handlers