Not sure if you all have seen this yet, but it's a Swedish interview (with English subtitles), which covers a bunch of information about 4th edition, including mention of upcoming modules. Props to HYBRiS for the interview and subtitles.
https://www.youtube.com/watch?v=ulpdoEi0Inw
The 4 upcoming modules discussed include:
Urban Operations - Almost ready
Black Madonna - hopefully later this year
Hostile Waters - mechanics that cover water-based combat and riverine/ocean operations - on the docket after Urban Operations
Operation Reset - More information about Reset. Indications are that it will release sometime after the others mentioned above.