devtrackers.gg
It's definitely not forgotten. The goal of the change was to reduce the proportion of games where one team has an insurmountable advantage, but no incentive to close out quickly. The actual results were a net reduction in average game time between 30 seconds and a minute, and a substantial increase in the overall rate of comebacks, implying that decisive advantages resolve into either victory or a comeback much faster than before (and more of them result in comebacks).
And yes, if you're deeply invested in wave management as your way of expressing dominance, you might be sad at the reduction in consistency / effectiveness of that particular strategy.