Atlas Search Changelog¶
Note
Atlas Search release notes from prior to April 2020 can be found in the Atlas Changelog.
2021 Releases¶
05 April 2021 Release¶
- Adds stopword token filter for removing tokens that match the specified stop words.
19 March 2021 Release¶
- Adds additional language analyzers, token filters, and tokenizers.
- Adds support for function scores, which allows you to alter the relevance score of a document using a numeric field in the same document.
05 February 2021 Release¶
- Supports explain for
$search
queries.
16 January 2021 Release¶
- Fixes an issue with highlighting raising errors when combined with ObjectID equality operators.
14 January 2021 Release¶
- Improves performance of initial sync indexing.
2020 Releases¶
15 December 2020 Release¶
- Adds
maxNumPassages
andmaxCharsToExamine
for Highlighting.
19 November 2020 Release¶
- Improves performance of steady state indexing.
13 November 2020 Release¶
- Fixes a bug in custom analyzers where only
the first
charMap
character filter was being executed.
1 October 2020 Release¶
- Removes downtime requirement when rebuilding modified index definitions.
2 September 2020 Release¶
- Adds custom analyzers for index definitions and search queries.
23 August 2020 Release¶
- Adds support for wildcard path.
9 June 2020 Release¶
- Releases Atlas Search to general availability.
- Adds support for data types boolean and objectId.
18 May 2020 Release¶
- Adds a new index option to exclude
the
norms
field, allowing a search index to ignore field length when scoring search results. - Adds the tokenOrder option to the autocomplete operator, supporting unordered terms in search queries.
- Improves error messages to facilitate query debugging, including eliminating stack traces and other Java-specific messages.
30 April 2020 Release¶
Adds support for geospatial queries, including:
Adds autocomplete features to support better search-as-you-type functionality, including:
- A new autocomplete operator and index type.
- Analyzer-agnostic diacritic folding of field values.
- Scoring options, such as boost and constant.
- Compound queries that combine autocomplete with other $search operators.
- n-grams/shingles and edge n-grams from analyzed text.
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