Mandchoukouo tank : Type 97 Chi-Ha Kai from last update-
edited-
armor final : 35mm

New German Arty : Sturmpanzer SG-122(r)
What's funny is that this Soviet arty is based on captured stugIIIs, the Russians made about twenty copies and then the Nazis captured 5 copies which restored some of them!

New Mandchoukouo tank : Type 97 Chi-Ha Kai
the armor is adjusted compared to reality, so 25 instead of 21 because this tank is an improved version compared to the standard Type 97 Chi-Ha.
The Type 97 Chi-Ha Kai was produced under license in Manchukuo at the Harbin factory, with around thirty vehicles produced until the end of the war.

New German AA : Flakpanzer AMX 38(f)

New Belgian HEAVY BOMBER : SABCA S. 45bis
New Spain Heavy Bomber : Caproni Ca. 135
New Japan arty : Type 90 Ho-Nu 240 mm

New AT Spain : Panzerjäger I

New AT Spain : Marder II
This tank destroyer was present on the Eastern Front (Russia) in the Spanish Azul Division, it replaced the old model of Panzerjäger I which was not capable of penetrating the T-34 or the KV-1.

New arty for the Finland : Nebelwerfer 15 cm 41

Spain
minor edit of the 2 new tank stats from last update

New BOMBER Spain : Savoia-Marchetti 81

New tank for Spain : Panzer IV Ausf. B

New Tank Spain : Panzer III Ausf. D

New Spanish fighter : Focke-Wulf 190 A

New French AT : M10 RBFM
First available year : 1943, month : 9
The stats is idem a model US except for the visibility which is increased to 2 since the French had changed the US sight for a French naval sight increasing the visibility to 3km.

New CAS Spanish Republic : Polikarpov R-Z

New German Bomber : Bloch MB.210

Italy added mlrs called
Alfa Romeo 800 RE Rocchetta

USA added
M2-4 USMC Rocket Truck

USA added
M45 self propelled arty prototype