>>10543545Yes, they make changes here and there, often to work around their particular tread sizes (a little too wide in some cases - their Tiger 131 and Panzer IV both use the same treads for example). They've started making new versions of tanks they've already done, like that camo Tiger and pic related; their original Panther had a terrible turret, this one corrects that defect and then some.
>>10543819Strictly speaking they don't seem to follow a specific scale too closely, outside of roughly the same as Cobi. There's a couple newer sets that may be around that scale, if not a little bigger:
https://www.aliexpress.com/item/1005005604575683.htmlThe Panther, Tiger and KV-2 at that link are all QG, couldn't say if the modern MBT is as well but doubtful, they've stuck to WW2.