BREAKING_CHANGES.md

5.0

Breaking changes

• Indices/Analyze Endpoint: filters and char_filters URI parameters have renamed to filter and char_filter respectively
• SearchExists endpoint has been removed (use size=0 and terminate_after=1 instead)
• Warmers have been removed because they are no longer useful
• Indices/Optimize Endpoint has been removed (use _forcemerge instead)

Deprecations

• Percolator endpoints are deprecated and will be removed in Elasticsearch 6.0