Specifically syd-europe went from 102k rtn to 196k rtn. Points+pay for J tends to work out 3c per mile (but variable) so poor value now especially as taxes are high.
On the other hand, availability of reward seats for Enrich (not other OW) redeemers is very good.
Not tried myself but upgrades seem to offer reasonable value but pretty sure you can't points+pay
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