I couldn't find these latest changes posted anywhere else, but got it from one of the tarkov discord moderators. I've verified the numbers for 5.56×45 and a few others, but not all, so check for yourself.
5.56 x 45
M856A1 Recoil 0 -> 4
M855A1 Accuracy -10 -> -7
M995 Recoil 0 -> 8
M855 Recoil 0 -> -20
M855 Accuracy -25 -> 0
7.62×54
SNB Recoil 0 -> 10
7N1 Recoil 0 -> 8
7N1 Accuracy 0 -> 10
7.62×51
M62 Recoil 0 -> 5
M61 Accuracy 0 -> 3
M61 Recoil 0 -> 10
5.45×39
BT Recoil 0 -> 5
BS Recoil 0 -> 10
BS Accuracy 0 -> -3
7.62×39
PS Recoil -5 -> 0
PS Damage 57 -> 54
PS Accuracy 5 -> 0
PS Penetration 33 -> 34
BP Damage 52 -> 58
BP Accuracy 0 -> -3
US Damage 68 -> 56
US Accuracy -25 -> 5
US Recoil 0 -> -30
US Penetration 22 -> 29
T45M Damage 60 -> 62
T45M Accuracy -3 -> -2
T45M Recoil 0 -> -5
T45M Penetration 29 -> 31
9×39
BP Recoil 3 -> 5
BP Penetration 44 -> 50
SP5 Penetration 30 -> 35
SPP Penetration 38 -> 45
SP6 Recoil 0 -> 7
SP6 Penetration 38 -> 43
4.6×30
AP SX Recoil 0 -> 10
5.7×28
SB193 Accuracy -25 -> 0
SB193 Recoil 0 -> -20
.366
EKO Recoil 0 -> -15
Source: https://www.reddit.com/r/EscapefromTarkov/comments/e8lpav/latest_changes_to_ammo_as_of_1292019/
