# Weaviate v1.39.0-rc.0 — v1.39.0-rc.0 - Namespaces, Alter Schema, gRPC web, Search REST API

- Product: Weaviate (https://whatsnew.fyi/product/weaviate)
- Vendor: Weaviate
- Date: 2026-07-23
- Version: v1.39.0-rc.0
- Original notes: https://github.com/weaviate/weaviate/releases/tag/v1.39.0-rc.0
- Permalink: https://whatsnew.fyi/product/weaviate/releases/v1.39.0-rc.0
- Labels: Pre-release

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **added** — Namespaces is now generally available
- **added** — Alter Schema - Reindex property in preview
- **added** — Alter Schema - Drop vector index in preview
- **added** — gRPC web is now generally available
- **added** — Search REST API is now generally available

This is a release candidate for the upcoming v1.39.0 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 - Reindex property (Preview)
- Alter Schema - Drop vector index (Preview)
- gRPC web (GA)
- Search REST API (GA)