Ok so for everyone having questions about the next patch, i have some answers.
The next patch is scheduled in April but not an exact date yet.
Arena Season 4 will be released and Season 2 gear will be purchasable with Honor now.
Season 4 will still have the personal arena rating as Season 3 introduced.

If you have any more questions ask me, hopefully i will have the answers for you. =D

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Q u o t e:
The next patch is scheduled in April but not an exact date yet.

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We've never announced or mentioned a possible, tentative, or otherwise actual schedule for release of the 2.4 patch.

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Q u o t e:
Arena Season 4 will be released and Season 2 gear will be purchasable with Honor now.

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This is true, but Season 4 will not begin with the release of patch 2.4. That is guaranteed.

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Q u o t e:
Season 4 will still have the personal arena rating as Season 3 introduced.

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Season 4 will require ratings, yes.