That is what works for us. Just solo a track then unsolo and your good. Shouldn’t have to do that but it’s a workaround in the meantime while Adobe addresses. They do know about it.
imac pro (2017)
High Sierra 10.13.6
128gb 2666Mhz DDR4
Radeon Pro Vega 64 16368 MB
Adobe CC2018 (July)