I’d like to hear the opinion from someone knowledgeable on ASERT Difficulty Adjustment Algorithm (aserti3-2d), which was implemented by BCH after major issues with their previous DAA.
This is original proposal I believe, includes a lot of commentary and tests against other DAAs:
Further info:
To be clear, I’m not convinced Ergo’s DAA is worth a hardfork. These links show how complex implementing such a choice would be.