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I’m happy to share improvements to Atlas Search facets!

  • Support for faceting on fields indexed as number or date types. This includes dynamically mapped fields.
  • Facets now support arrays of numbers and dates (including paths contained in arrays of documents).

Existing indexes will not be affected.
To take advantage of this functionality, you must:

  1. Remove any numberFacet / dateFacet field mappings
  2. Ensure the field(s) you want to facet on are mapped to number / date field mappings

String facets are unchanged for now, but stay tuned for more updates soon!

See Changelog.

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