This is a copy of the official roadmap which can be found on the forums.
There may be more features than there are on this roadmap. It's also not guaranteed everything will be implemented (Golden rule: everything takes longer than expected).
Factorio 1.0 (August 14th 2020, 11:00 CEST)
- High-Resolution sprites for the entire game.
- Final Graphical tweaks.
- Better sound design.