# Traefik v2.11.56

- Product: Traefik (https://whatsnew.fyi/product/traefik)
- Vendor: Traefik Labs
- Date: 2026-08-26
- Version: v2.11.56
- Original notes: https://github.com/traefik/traefik/releases/tag/v2.11.56
- Permalink: https://whatsnew.fyi/product/traefik/releases/v2.11.56

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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- **fixed** — Apply read timeout, idle timeout, and max header bytes for HTTP/3
- **added** — Add an entry point option to handle request headers with aliasing names
- **fixed** — Reject negative weights in TCP and UDP weighted services
- **changed** — Bump etcd client modules to v3.5.33

**Important:** Please read the [migration guide](https://doc.traefik.io/traefik/v2.11/migration/v2/#v21156).

**Bug fixes:**
- **[http3]** Apply read timeout, idle timeout, and max header bytes for HTTP/3 ([#13717](https://github.com/traefik/traefik/pull/13717) @gndz07)
- **[server]** Add an entry point option to handle request headers with aliasing names ([#13720](https://github.com/traefik/traefik/pull/13720) @rtribotte)
- **[tcp, udp]** Reject negative weights in TCP and UDP weighted services ([#13749](https://github.com/traefik/traefik/pull/13749) @rtribotte)
- Bump etcd client modules to v3.5.33 ([#13756](https://github.com/traefik/traefik/pull/13756) @mmatur)