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Type: Task
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Resolution: Fixed
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Priority: Major - P3
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Affects Version/s: None
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Component/s: None
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Labels:None
Documentation Request Summary:
This commit prevents the usage of expressions introduced in 4.0 (such as $convert, the 'format' option to $dateFromString, etc.) in contexts that will be stored in the catalog, while in a feature compatibility version < 4.0. Specifically, you will not be allowed to use these new features in a view definition or within an $expr within a collection validator while in FCV < 4.0.
- documents
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SERVER-33174 Upgrade/downgrade support for new type conversion aggregation expressions
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