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Type: Task
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Resolution: Done
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Priority: Major - P3
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Affects Version/s: None
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Component/s: manual
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Labels:None
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0.2
In addition to the 3 bullets currently listed in
https://docs.mongodb.com/manual/release-notes/3.2-compatibility/#aggregation-compatibility-changes
Consider adding a fourth bullet around the more forgiving nature of the $unwind stage as now it does not error on non-array operands. It now treats a non-array operand as a single element array.
It is true this is documented here: https://docs.mongodb.com/manual/reference/operator/aggregation/unwind/#non-array-field-path
But it may make sense to collate all of these changes into the compatibility section.