# Authelia v4.39.17

- Product: Authelia (https://whatsnew.fyi/product/authelia)
- Vendor: Authelia
- Date: 2026-04-09
- Version: v4.39.17
- Original notes: https://github.com/authelia/authelia/releases/tag/v4.39.17
- Permalink: https://whatsnew.fyi/product/authelia/releases/v4.39.17

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'.

---

- **fixed** — Fix authentication cache miss in edge case
- **fixed** — Fix LDAPv3 version check
- **fixed** — Fix authorization AMR consistency
- **fixed** — Recover deref panic for OTC in handlers
- **fixed** — Implement stricter domain matching in middlewares
- **fixed** — Use full precision latency calculation in NTP
- **changed** — Make OIDC rate limits configurable

###### Bug Fixes

* **authentication:** cache miss in edge case ([#11541](https://github.com/authelia/authelia/issues/11541)) ([2df41dd](https://github.com/authelia/authelia/commit/2df41dd6949294151858810ffd8fbc3a1b6931e6)) by @james-d-elliott
* **authentication:** fix ldapv3 version check ([#11454](https://github.com/authelia/authelia/issues/11454)) ([f24ef6b](https://github.com/authelia/authelia/commit/f24ef6b235f5900d6c6f00946a357ad639c46f0c)) by @atoerien
* **authorization:** amr consistency ([#11637](https://github.com/authelia/authelia/issues/11637)) ([4c92b2a](https://github.com/authelia/authelia/commit/4c92b2a537d9eb7a87c88a536208a42a66a45858)) by @james-d-elliott
* **handlers:** recovered deref panic for otc ([#11500](https://github.com/authelia/authelia/issues/11500)) ([1cc0d3d](https://github.com/authelia/authelia/commit/1cc0d3d61160372f90251a059f910e63696d3192)) by @james-d-elliott
* **middlewares:** stricter domain matching ([#11685](https://github.com/authelia/authelia/issues/11685)) ([675d8b7](https://github.com/authelia/authelia/commit/675d8b7d00dfa1740c7a8779bc7256091c37fbcc)) by @james-d-elliott
* **ntp:** use full precision latency calculation ([#11644](https://github.com/authelia/authelia/issues/11644)) ([ed4c486](https://github.com/authelia/authelia/commit/ed4c486356ae2833b9d4c1e416c540485c6576a1)) by @james-d-elliott
* **oidc:** configurable rate limits ([#11696](https://github.com/authelia/authelia/issues/11696)) ([f66d3bb](https://github.com/authelia/authelia/commit/f66d3bb3063484cfce583ec009abffb93376ad2b)) by @james-d-elliott

###### New Contributors
* @atoerien made their first contribution in https://github.com/authelia/authelia/pull/11454
* @gardient made their first contribution in https://github.com/authelia/authelia/pull/11511
* @yarikoptic made their first contribution in https://github.com/authelia/authelia/pull/11612
* @CarrotManMatt made their first contribution in https://github.com/authelia/authelia/pull/11700

###### Docker Container
* `docker pull authelia/authelia:4.39.17`
* `docker pull ghcr.io/authelia/authelia:4.39.17`