My website is fully updated to reflect these changes:
7.62x39mm PS:
- Pen: 32 → 35
7.62x39mm T-45M1:
- DMG: 62 → 64
545x39mm BP:
DMG: 49 → 45
Pen: 35 → 37
545x39mm BT:
DMG: 44 → 42
Pen: 37 → 40
545x39mm HP:
- Pen: 11 → 12
545x39mm PP:
DMG: 48 → 44
Pen: 33 → 36
545x39mm PRS:
- Pen: 14 → 12
545x39mm PS:
- DMG: 50 → 48
545x39mm SP:
- Pen: 11 → 13
9x39mm SP-5:
DMG: 68 → 71
Pen: 38 → 28
Recoil: 0 → -5
9x39mm SPP gs:
DMG: 64 → 68
Pen: 50 → 40
Recoil: 20 → 10
7.62x54mm R BT:
- Pen: 59 → 55
7.62x54mm R PS:
- DMG: 86 → 84
7.62x51mm TCW SP:
DMG: 60 → 67
Pen: 36 → 34
.300 BCP FMJ:
- Pen: 29 → 30
.300 AP:
- Pen: 45 → 48
Most of these changes are largely irrelevant, the 5.45 pp/bp/bt changes, 9×39 changes might make you choose different ammo now. Most of the buffs/nerfs outside of the .300 AP, 762×39 PS, 5.45/9×39 changes make no noticeable difference in armor penetration.
Source: https://www.reddit.com/r/EscapefromTarkov/comments/vnqybf/full_list_of_ammo_changes_website_updated/