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8.4.0

Official Redis changelog summary with source attribution, release tags, and community reactions.

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Redis7 months agoNov 18, 2025, 03:06 PMUsefulAI-assisted summary

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−Introduces new atomic string operations (SET compare-and-set/delete, MSETEX) and stream enhancements (XREADGROUP CLAIM) along with atomic slot migration and per-slot usage metrics.
~Adds Redis Search improvements: FT.HYBRID hybrid search with fused scoring, I/O threading for faster query handling, and significant JSON array memory reductions.
~Includes numerous bug fixes (e.g., XREADGROUP CLAIM type, JSON.NUMINCRBY accuracy, thread safety) and performance optimizations across modules.

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related updates

Redis2 weeks agoMay 25, 2026, 11:29 AMUsefulAI-assisted summary

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+Added new Array data structure and subkey notifications for hash fields, plus INCREX window counter rate limiter and XNACK stream command
+Introduced COUNT aggregator for ZUNION/ZINTER, FPHA argument for JSON.SET, multi‑aggregator support in TimeSeries commands, and FT.HYBRID KNN clause with profiling