Elastic 9.0: BBQ GA, Lucene 10, ES|QL LOOKUP JOIN
By BIOS Founding Team

Elasticsearch 9.0 GA moved the stack onto Lucene 10 for major performance gains, made Better Binary Quantization generally available, and introduced ES|QL LOOKUP JOIN for joining across indices.
Full details: https://www.elastic.co/blog/whats-new-elastic-search-9-0-0
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