Following a compilation of answered questions from the recent reddit AMA. If i missed out on one, please post it so i can add it to this post.
General
HotS Roadmap
Solo-queue/Different MMR for solo and grouped
Gifting System
Balance patch philosophy (high impact patches)
AI feedback on forums
Heroes
More tanks coming/planned?
D.Va rework progress
Heroes being currently worked on
New heroes in 2020?
Improved visual indicator for Living Bomb
Tassadar rework
Tassadar balance changes
Melee Assassins
Tychus/Murky scaling inaccuracies
Tracer changes
Bugs and intended interactions
Haunting Wave/Leaping strike being interruptible by DKs kick
Currently no supports upcoming
Maps
Haunted Mines
Buggy Hanamura Samurai
Map design principles
Gameplay
Current Anomaly
Anomaly and game duration
Anomaly changes coming
Future Favourite-talents-like additions
Higher difficulty settings for vs AI
Future expansion on favourite talents
Amount of CC/Counterplay
Stats
More statistics ingame
More statistics ingame II
Events
Cross-game promotions
Skins & Mounts
Availability of special mounts
End-of-Season rewards
Ragnaros skins
Sharing skin ideas/concepts
Arthas remodeling 2021, maybe
Banners
Invisible horse will return
Janitor Leoric
Fluff
Direct question at BlizzKofalt
HotS programming language
Kerning
Some feel-good post
Unique challenges with HotS
