Warning
SingleStore 9.0 gives you the opportunity to preview, evaluate, and provide feedback on new and upcoming features prior to their general availability. In the interim, SingleStore 8.9 is recommended for production workloads, which can later be upgraded to SingleStore 9.0.
Maintenance Release Changelog v9. 0
On this page
2025-06-24 Version 9. 0. 6
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Enhancement: Enabled synchronous Distributed Plancache lookup during query execution.
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Enhancement: Added Lucene logs to the cluster report.
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Enhancement: Added statistics related to AWS S3 lookup latency.
-
Enhancement: Renamed
bottomless_
engine variables toplancache_ * distributed_
.plancache_ * -
Bugfix: Prevented the drop of Distributed Plancache files on regular Persistent Plancache GC.
-
Bugfix: Fixed a bug in lateral join.
2025-06-18 Version 9. 0. 5
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Enhancement: Distributed Plancache pool size adjustment fails gracefully.
-
Enhancement: Changed the default collation from
utf8mb4_
togeneral_ ci utf8mb4_
.bin -
Bugfix: Fixed an issue where periodic autostats was disabled when it should not have been.
-
Bugfix: Fixed a crash in lockfree hashtable when the engine is under high memory pressure.
Reports an "out of memory" error instead. -
Bugfix: Fixed an issue in CTE query rewrites caused when a CTE referenced a recursive CTE.
-
Bugfix: Fixed the predicate pushdown logic for materialized common table expressions.
2025-06-13 Version 9. 0. 4
-
Enhancement: Added the
SEQUENCE
modifier forAUTO_
.INCREMENT Refer to AUTO_ INCREMENT AS SEQUENCE for more information.
2025-06-12 Version 9. 0. 3
-
Enhancement: Added support for file filtering based on the
WHERE
clause in the pipeline declaration.For more details, refer to Iceberg Ingest. -
Bugfix: Fixed an error named
ER_
onBAD_ TABLE_ ERROR UPDATE
orDELETE
queries with a specific shape.
Last modified: June 24, 2025