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What’s New In Milvus 2.2.3

What’s New In Milvus 2.2.3

Feb 28, 20231 min read

We are proud to announce the release of Milvus 2.2.3 on behalf of the Milvus community. The 2.2.3 release contains a few new features and many improvements. This blog post will highlight some of the more prominent features. For a complete list of changes, check the release notes.

📦 PyPI: https://pypi.org/project/milvus/
📚 Docs: https://milvus.io/docs
🛠️ Release Notes: https://milvus.io/docs/release_notes.md#223
🐳 Docker Image: docker pull milvusdb/milvus
🚀 Release: https://github.com/milvus-io/milvus/releases/tag/v2.2.3

One of the highlights of this release is the introduction of Rolling Upgrade support, an essential capability of highly available systems. A rolling upgrade allows you to upgrade Milvus without noticeable service disruption and with minimal downtime. Again, tying with the HA theme, this release includes the Coordinator High Availability (HA) feature to allow Milvus coordinators to work in active-standby mode and ensure a short failure recovery time of no more than 30 seconds.

In addition, there were several enhancements added to the following features:

Bulk-insert
Memory usage reduction
Optimization of monitoring metrics
Performance improvements for Meta storage

Please note that Milvus 2.2.3 also included a breaking change where the maximum number of fields in a collection was reduced from 256 to 64 (#22030).

Summary In addition to all of the features listed above, Milvus 2.2.3 includes several bug fixes and improvements. To learn more:

See the release notes for version 2.2.3 for the complete list of changes
Download Milvus and get started

Updated on Jun 11, 2026

Chris Churilo
Chris Churilo is the VP of Marketing & Community at Zilliz where she leads all community, developer relations, and marketing efforts. Prior to Zilliz, Chris was a founding member of the InfluxData’s go to market efforts and helped propel the time series database platform to dominance in the market. In earlier roles she defined and designed a SaaS monitoring solution at Centroid, and prior to that she was the VP of product management at iPass and was the LOB for several cloud services that required her to track the business and operational metrics and analytics to help identify and resolve issues.

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