history
1.9: signal name VBATT_SAFE

1.8: U2 package from TSOP65P640-8N to TSOP65P400-8N

1.7: 
JP2:
Old: none
New: 2.54mm 3-pin header added for back-up battery connector

J14,J15:
Old: 35363-1210 / CON_VM_35363-12
New: 102699-3 / 102699-8_SMT

J16,J17:
Old: SQT-103-01-L-T / CON_SQT_T-9
New: SQT-103-01-L-T / CON_SQT3X3 

R500:
Old:
New: deleted

R501:
Old: 
New: renamed to R37

TVS500:
Old:
New: renamed to TVS1

Q500:
Old:
New: renamed to Q10

U500:
Old: SN74LVC3G34DCTR / SOPT65X400-8
New: renamed to U2 according to your renaming, SN74LVC3G34DCTR / TSOP65P640-8N
(?): your decal: TSOP65P640-8N, it seems TSOP65P400-8N is more appropriate.