From Girls' Frontline Wiki
Things that being developed or will be added to the game soon™
- Tactical fairy system: Fairies, drones to be exact, can be assigned to echelons and provide some special tactical skill like fire coverage and enemy capture.
- Tactical doll upgrade: After upgrade, T-dolls can get new skills, new illustration, higher rarity and higher max level.
- Empowerment of certain T-Dolls while clearing specific corresponding maps.