# QuestDB 9.1.0 Release

**URL:** <https://community.questdb.com/t/questdb-9-1-0-release/925>\
**Category:** Community\
**Tags:** announcement, release\
**Created:** [October 8, 2025, 9:12am UTC](https://community.questdb.com/t/questdb-9-1-0-release/925 "2025-10-08T09:12:21Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Anna\_Semenova](https://yyz2.discourse-cdn.com/flex004/user_avatar/community.questdb.com/anna_semenova/32/486_2.png) [@Anna\_Semenova](https://community.questdb.com/u/Anna_Semenova)\
**Post date:** [October 8, 2025, 9:12am UTC](https://community.questdb.com/t/questdb-9-1-0-release/925/1 "2025-10-08T09:12:21Z")

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We’re thrilled to announce QuestDB 9.1.0 – a powerhouse release that takes time-series precision and performance to the next level!

This release introduces **nanosecond timestamp precision** for ultra-high-resolution workloads, **continuous profiling** , and major performance optimizations across the board. Whether you’re ingesting billions of events per second or running complex analytical queries, 9.1.0 has you covered.

## Here are some key highlights:

- **Nanosecond timestamps**

- **Symbol Capacity auto-scaling (opt-in)**

- **Continuous profiling** **(opt-in)**

- **JOIN improvements**

There are many more quality-of-life changes, performance improvements and bugfixes, so be sure to check out the [release notes on GitHub](https://github.com/questdb/questdb/releases/tag/9.1.0).

Download QuestDB 9.1.0 now at [questdb.com](https://questdb.com/download/)!

Finally, a huge thanks to everyone who opened issues, shared feedback on Slack, or provided production insights—your input drives QuestDB forward! 🙌

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**Author:** ![Anna\_Semenova](https://yyz2.discourse-cdn.com/flex004/user_avatar/community.questdb.com/anna_semenova/32/486_2.png) [@Anna\_Semenova](https://community.questdb.com/u/Anna_Semenova)\
**Post date:** [October 8, 2025, 9:13am UTC](https://community.questdb.com/t/questdb-9-1-0-release/925/2 "2025-10-08T09:13:35Z")

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**Author:** ![Anna\_Semenova](https://yyz2.discourse-cdn.com/flex004/user_avatar/community.questdb.com/anna_semenova/32/486_2.png) [@Anna\_Semenova](https://community.questdb.com/u/Anna_Semenova)\
**Post date:** [October 8, 2025, 9:14am UTC](https://community.questdb.com/t/questdb-9-1-0-release/925/3 "2025-10-08T09:14:03Z")

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**Author:** ![javier](https://yyz2.discourse-cdn.com/flex004/user_avatar/community.questdb.com/javier/32/29_2.png) [@javier](https://community.questdb.com/u/javier)\
**Post date:** [September 24, 2026, 2:15pm UTC](https://community.questdb.com/t/questdb-9-1-0-release/925/4 "2026-09-24T14:15:19Z")

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**Author:** ![javier](https://yyz2.discourse-cdn.com/flex004/user_avatar/community.questdb.com/javier/32/29_2.png) [@javier](https://community.questdb.com/u/javier)\
**Post date:** [September 24, 2026, 2:15pm UTC](https://community.questdb.com/t/questdb-9-1-0-release/925/5 "2026-09-24T14:15:23Z")

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