I am trying to know the value that was changed in the history, however after getting the transaction,
after getting the NSPersistentHistoryChange
from the transaction.changes SET
the changes only give us a SET of updated properties, you don't know from which the old & new value in that time ...
you only have the changed object id and that will give you the current value ...
if you have 2 transactions that change the same entity, same field
it's impossible to know what was the value of the field in transaction 1
please help, that looks like a big omission
Retrieving data ...