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Canonical AI event

MUVERA Adds 4-bit Rotational Quantization in v1.40.0-rc.2

The release candidate for v1.40.0 introduces general availability of namespaces and vector index dropping.

15 Sept 20261 verified claims1 sources3 observations
What happened

The official source reports this update: v1.40.0-rc.2 - Alter Schema Drop Vector Index, HFresh MUVERA, RQ-4 quantization. This is a release candidate for the upcoming v1.40.0 release. A release candidate (RC) means the release is considered feature complete and has finished beta-testing. Any issues discovered during the RC phase will lead to new rc releases. The final rc release becomes the stable release. We're happy for your feedback about this pre-release. This pre-release contains: Namespaces (GA) Alter Schema - Drop vector index (GA) HFresh MUVERA 4-bit Rotational Quantization

Why it matters

This official update documents a development concerning v1.40.0-rc.2 - Alter Schema Drop Vector Index, HFresh MUVERA, RQ-4 quantization. Its practical significance depends on the scope and evidence stated by the source.

What to watch next

Read the official source update and verify its stated scope, evidence and timing before acting on it.

Connected knowledge

Entities affected by this event

Weaviatesubject
Continue this topic
infrastructureVersion 1.40.3: LSM store and property lengths recount performance improved.28 Oct 2026infrastructureWeaviate 1.39.14 skips unchanged property length writes.27 Oct 2026infrastructureNew version 1.38.23 recounts property lengths during shard loading.27 Oct 2026infrastructureeMudhra patches eight intermediate certificates in security update.25 Oct 2026infrastructureeMudhra patches security flaw in eight intermediate certificates.23 Oct 2026infrastructureeMudhra patches eight intermediate certificates in v1.40.222 Oct 2026
Evidence trail

Sources behind the event

Weaviate official releasesv1.40.0-rc.2 - Alter Schema Drop Vector Index, HFresh MUVERA, RQ-4 quantizationWeaviate official releasesv1.40.0-rc.1 - Alter Schema Drop Vector Index, HFresh MUVERA, RQ-4 quantizationWeaviate official releasesv1.40.0-rc.0 - Alter Schema Drop Vector Index, HFresh MUVERA, RQ-4 quantization
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