Here’s a few things from my google docs of balance change proposals. I’ll probably post these on my own in the next official balance suggestion thread, but I figure I can at least gauge public sentiment with my proposed changes here.
Pz.III F
germ_pzkpfw_III_ausf_F
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Arcade Battle BR: 1.3 → 1.7
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Realistic Battle BR: 1.3 → 1.7
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Reload Speed: 4.0 s → 3.7 s

Rationale:
The Pz.III F is a bit too good across the board for its current BR. The APC round has great pen and decent damage, the speed is well above average with sufficient p/w to reach it, the 70 mm effective mantlet can stop many lower power guns, and the hull armor holds up well enough against autocannons when angling correctly.
It’s a huge step up in performance for a 1.3 vehicle. It makes more sense for it to be closer in BR to the Pz.III J, as the only thing that really changes between the two is the front hull armor increasing.
While the Ausf.F doesn’t have the convenient turret ready rack of the later Pz.III variants, it still uses shorter rounds than those of the L/60-armed variants, so I believe it would be fair to buff the reload to a comparable level as compensation for a BR increase. For consistency’s sake, the Pz.III J’s reload should probably also be buffed to a comparable level, if not to 3.5 s.
Type 2 Ka-Mi
jp_type_2_ka_mi
- Reload Speed: 4.0 s → 3.1 s

Rationale:
The Ka-Mi arbitrarily gets much worse reload than most other 37 mm armed vehicles despite having a semi-automatic breech and two-man turret (+2 on-board engineers that would be able to pass ammunition to the turret crew, but aren’t modeled atm). The gun is extremely close in performance to the Swedish 37 mm, so a comparable reload to Swedish tanks is reasonable.
Type 2 Ho-I
jp_type_2_ho_i
- Reload Speed: 5.9 s → 3.3 s

Rationale:
Other vehicles with low velocity howitzers like the T-28 (1938), M8 HMC, and early Panzer IV’s have aced reload speeds of 3.3-4 seconds, but the Ho-I’s is longer than even many higher velocity 75 mm guns. This should be the opposite. The Ho-I’s rounds are shorter and lighter than the German short 75 mm’s rounds, and are more accessible than those of the Panzer IV’s due to the convenient bustle ammunition rack. Additionally, the Ho-I has greater need for faster reload than the Pz. IVs due to the much worse HEAT shell muzzle velocity, meaning misses at range are more frequent, and with the current reload rate, more punishing.