# Flags SDK 4.2.4

- Product: Flags SDK (https://whatsnew.fyi/product/flags-sdk)
- Vendor: Vercel
- Date: 2026-07-29
- Version: 4.2.4
- Original notes: https://github.com/vercel/flags/releases/tag/flags%404.2.4
- Permalink: https://whatsnew.fyi/product/flags-sdk/releases/4.2.4

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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- **changed** — Return cache-control: no-store from flags discovery endpoint

###### Patch Changes

-   [#454](https://github.com/vercel/flags/pull/454) [`dcb74ff`](https://github.com/vercel/flags/commit/dcb74ff9389f93f6d808c674c855ee2e805b4402) Thanks [@dferber90](https://github.com/dferber90)! - return cache-control: no-store from flags discovery endpoint