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Elasticsearch 8.15 Release Introduces New Features and Updates

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Elasticsearch 8.15 introduces significant updates and features. The latest release enhances failure handling in multi-repo snapshot requests, ensuring stricter reporting of errors. A new index mode is introduced as a tech preview, promising substantial storage savings for log datasets. Additionally, the update includes new int4 quantization for dense vectors, marking query rules as Generally Available, and improvements to ISO-8601 datetime parsing. The release also updates Elasticsearch to Lucene 9.11, bringing various performance enhancements and memory management improvements.