- Introduced rolling upgrade via Helm and coordinator high‑availability (active‑standby) to enable zero‑downtime upgrades and sub‑30 s failover.
- Enhanced bulk insert performance and reduced memory usage, added new monitoring metrics, and refined many internal components.
- Breaking change: maximum fields per collection reduced from 256 to 64, alongside numerous bug fixes across QueryCoord, Proxy cache, checkpoint/GC, and other modules.
milvus-2.2.3
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Milvus version 3.0.0 has been released.