1.29 - [Will likely come in the middle of next week!]
The economy modifications are mainly relevant to HB and FRB.
Bombs will become less effective (splash damage will be weaker).
1.30
Clan support.
New Soviet Jet/s.
DEV server
Will probably be opened tomorrow evening.
Other
The current tier brackets (0-4, 5-10, 11-20) will be further refined.
Tanks and ships slated for introduction within 2013.
The American Curtis Wright X55 is confirmed for introduction.
No planned support for custom decals.
More payment options planned.
75 mm cannons confirmed.
No current information about the sound barrier.
Mobile AA guns will likely be available for player control (in tank games).
The forced ejection feature is being debated among the devs.
Non-standard gold eagle amounts won't be available for purchase.
Controls of ground vehicles/ships won't be simulated/realistic.
The frag crediting system will most likely remain unchanged.
New nations (e.g. France, Italy) are planned.
"Paper" planes (which didn't reach prototyping stages) will likely not be introduced.
The ammo counter will be modified.
All historical features that existed in a plane will be introduced.
World War battles will likely be in "Historical" mode.
Player-controlled infantry will not be introduced.
Inside view of tanks? Possibly.
Critical module damage (i.e radio)? Possibly.
Romanian planes will possibly be added as part of the German tree.
The map rotation in HB/FRB is based on the devs' need to test those maps. More maps will become available as the devs consider them ready.
Scout planes aren't planned.
Backwards compatibility of replays isn't planned.
A bonus for a first time purchase of eagles? Possibly.