Double-check we fixed all known issues / problematic workloads

E.g., go through this list of [Improvements Existing Workloads](https://docs.google.com/spreadsheets/d/1OP_YGk_otYnv9lUt1ChW7zzEFewEDnY2TxJO7iBaA0Q/edit?gid=2015825435#gid=2015825435) and [Workloads To Be Removed](https://docs.google.com/spreadsheets/d/1OP_YGk_otYnv9lUt1ChW7zzEFewEDnY2TxJO7iBaA0Q/edit?gid=711547942#gid=711547942).