Hi, I came across this great feature, Delayed Messages https://github.com/apache/pulsar/wiki/PIP-26:-Delayed-Message-Delivery
And I see that this feature does not work with Exclusive and Failover subscriptions. The reason explained in the PIP is that this is because we want to guarantee FIFO order. I wonder if we could implement the behaviour of delayed messages even for Exclusive subscriptions, still preserving a strict FIFO order. Enrico
