I'll say it again, this is a great mod and it means a big life for an already good game. Big props, well done.
Having just finished a game vs the AI with the 1.05 version where I wanted to test things out, I noticed a couple of things that could be tweaked, if the possibility exists in the code. For one, when Germany falls, all its fortresses disappear. Since all hexes in Italy now belong to Germany, this includes the forts in the Gustav line. Normally unlikely to be noticed, I suppose, but since the AI failed to take France and ze Germans ended up being squashed between the Russians and the western allies, Berlin and Hamburg fell in October -42 while the invasion of Italy was still just getting going up the 'boot'. Now, it's not as if it's going to make a huge difference if Germany's fallen anyway, but I can't say it didn't make it easier when that fortress line across Italy just disappeared, and it would seem more realistic if it didn't, right?
Another thing I noticed, which probably applies in the vanilla game as well (only played a few rounds in all), is that the Russians and the western allies have separate rail networks and that this sometimes leads to somewhat strange situations. In my game, the Russians took Berlin while the British took Hamburg, prompting the game to inform me Germany had surrendered to the UK (is that random, or always to the conquerer of Hamburg, or always to the west rather than to the east? The latter could be quite historical, if they had had the choice.) Then, when the Russians somewhat later had taken Venice and I wanted to rail some tanks there rather than drive them across the Alps, I find Russian troops in allied controlled hexes (the surrendered Germany) can only rail to other allied cities, meaning for instance Genoa (taken by Patton) but not Venice (taken by the Russians.) However, it was perfectly possible to rail freshly built troops from back in Russia down to Venice, which since I hadn't invaded Yugoslavia yet (that came slightly later) meant they had to travel through Germany/Austria anyway... Somewhat of a contradiction there. Lastly just to make it even more interesting, for some reason one isolated hex in Bavaria did become Russian controlled rather than allied like all the rest of the country, and from that one hex I could rail Russian troops to the other Russian cities including Venice. Weird.

Now, I realize the separation of the rail networks may be intentional, but it does create some contradictions, as shown. Also not a big issue, but just to point it out.
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Now, a couple of other remarks, first on this...
Stauffenberg wrote:• Partisans should have a chance to continue to spawn in certain occupied countries. The spawn chance
could be different for each occupied country. These are the countries that could get partisans after
being occupied:
* Russia
* Britain
* USA
* France
* Yugoslavia
* Greece
* Turkey
* Spain
* Sweden
* Others?
I'd certainly add Finland to that, and for that matter... Germany. Also, depending on what scale things should be represented, there was a pretty active Dutch resistance, could that be interpreted as partisans? Perhaps not even a full garrison, considering the size of the army to begin with, but if it's possible (as implied) to spawn units with less than full strength, I'd include them with a chance to get a few strength point partisans.
By the way, speaking of Finland, and weather. If there's any possibility at all to do so, please try to exclude the Finnish troops from getting the efficiency penalty from Russian winter. The game as it is gives the Russians an advantage over the Finns in winter, while the historic reality was the exact opposite. The Finns were experts, perhaps the best in Europe, at using the terrain and the harsh winter to fight the much more poorly equipped and trained Russians, allowing them to inflict an estimated ten times the casualties they themselves sustained during the Winter War. The Russians may have learned their lesson and improved, say, by the later stages of the Continuation War but even that would only reduce the gap, not turn things around to their advantage. If anything, the Finns should have a boost relative to the Russians in winter, but a first step would be to at least remove their penalty.
All said, most of these things are relatively small issues, but since you're already excelling in taking care of the bigger problems, it feels like we are in the luxurious position of pointing out also the less vital things that could be improved. Keep up the good work!