The OWE rules have been 7 days in advance for Area 1 (basically the Americas) but no advance for any class elsewhere. However, the rules for GE just changed at the end of August to a much more restrictive policy: 7 days prior to departure for all A and D and sliding scale that ranges from 14 days to 3 days after booking for L (the "new" M). We could see a similar change in OWE