
As somebody who spends way too much time trying to customize sheets and automate everything with macros, despite my poor skills, I've noticed a few things the sheet does NOT do/allow.
1. Toggling Advantage/Disadvantage doesn't work on Initiative or Death Saves.
2. You can add a Global Modifier for Skill Checks (such as Athletics), but not Ability Checks, (such as a Wisdom roll). This seems to be the only area where you can't add a Global Modifier?
3. Although we can edit Attacks and Spells in many useful ways, we can't edit Skills, aside from Jack of All Trades / Expertise. I found a useful macro for the Rogue's Reliable Talent feature, but I really wish I could just edit the core macro of the skill to integrate it that way, rather than having to create a secondary macro button.