Redis 8.4 release notes and breaking changes

Release notes and breaking changes for Redis 8.4 on Redis Cloud.

Redis Cloud

Redis 8.4 builds on the foundation of Redis 8.2 with significant enhancements to cluster operations, string manipulation, and stream processing capabilities.. For more information on the changes in Redis 8.4, see What's new in Redis 8.4 and review the Redis Open Source 8.4 release notes.

Known limitations

When using Redis 8.4, be aware of these current limitations:

• Search commands (FT.SEARCH, FT.AGGREGATE, FT.CURSOR, FT.HYBRID) and time series commands (TS.MGET, TS.MRANGE, TS.MREVRANGE, TS.QUERYINDEX) may return partial results or duplicates during atomic slot migration.
• FT.PROFILE, FT.EXPLAIN, and FT.EXPLAINCLI don't include FT.HYBRID options.
• FT.HYBRID metrics aren't displayed in FT.INFO and INFO commands.
• Several FT.HYBRID options (EXPLAINSCORE, SHARD_K_RATIO, YIELD_DISTANCE_AS, WITHCURSOR) are not yet available.
• Post-filtering after the COMBINE step using FILTER is not currently supported.

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