Hey everyone !
I recently migrated a project to UE 4.27 and so far everything seemed to have worked perfectly but I just realized that all my Sound Submixes with an associated Submix Effect Reverb no longer work.
They worked perfectly in 4.25 but here, I can’t hear the sound unless I remove the reverb effect.
Did I miss something with 4.27 and reverb effect ?
Thanks for the help ! 
And here I am again, reviving a really old thread.
The reason is that I am having the same issue in 5.4.1 and this is the only thread I found when googling.
I am on a Macbook Pro M1.
When I add the reverb submix preset to the submix, nothing happens. However, adding a delay or a compressor or even Flexiverb works fine… But no reaverb.
The two that are there (the plugin and the other Submix preset for reverb) are not working at all and I haven’t a clue as to why.
Am I missing something?
I ran into this issue recently. Hopefully someone with a little more experience than me can confirm, but I believe that the gain setting may be a multiplier? In any case, if you hover over it it says it’s the master volume, so you’ll have to have a value greater than 0 there
