Latest Developments article about Standard issues. Notably:
1. They are well aware that red has been typecast as the burn and weenie color, and they acknowledge that part of this is due to them downplaying land destruction and Wheel of Fortune effects. They plan on trying some new things with it; they make a comparison to how 20 years ago, people couldn't have imagined black without Dark Ritual.
2. There have sometimes been talks of going back to shroud, but for now, they plan on just being more diligent with hexproof, including using conditional hexproof.
3. Similar to how hexproof was overused soon after it became evergreen, it's possible that prowess, menace, and scry may be overused in the next few sets.
4. The new block structure makes it more difficult to put in seed and hate cards for the next/previous block, but they have some ideas for how to make it work.