# Sanity Sanity React App SDK v2.20.0: Comment hooks and reliability fixes

- Product: Sanity (https://whatsnew.fyi/product/sanity)
- Vendor: Sanity
- Date: 2026-08-20
- Original notes: https://www.sanity.io/docs/changelog/3986961a-5482-428c-8320-8b1d5bd6a5f8
- Permalink: https://whatsnew.fyi/product/sanity/releases/2026-08-20-sanity-react-app-sdk-v2.20.0-comment-hooks-and-re

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This release adds commenting to the App SDK, with new React hooks for reading and writing comments on your documents. It also improves reliability across document saving, permission fetching, and subs…

- **added** — React hooks for reading and writing comments on documents
- **changed** — Improved reliability for document saving
- **changed** — Improved reliability for permission fetching
- **changed** — Improved reliability for subscriptions