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Add Snowball upgrade changelog #114146

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Oct 4, 2024
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Add Snowball upgrade changelog #114146

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20 changes: 20 additions & 0 deletions docs/changelog/114146.yaml
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pr: 114146
summary: Snowball stemmers have been upgraded
area: Analysis
type: breaking
issues: []
breaking:
title: Snowball stemmers have been upgraded
area: Analysis
details: >-
Lucene 10 ships with an upgrade of its Snowball stemmers.
For details see https://github.com/apache/lucene/issues/13209. Users using
Snowball stemmers that are experiencing changes in search behaviour on
existing data are advised to reindex.
impact: >-
The upgrade should generally provide improved stemming results. Small changes
in token analysis can lead to mismatches with previously index data, so
existing indices using Snowball stemmers as part of their analysis chain
should be reindexed.
notable: false