# Angular v21.2.20 — 21.2.20

- Product: Angular (https://whatsnew.fyi/product/angular)
- Vendor: Google
- Date: 2026-08-13
- Version: v21.2.20
- Original notes: https://github.com/angular/angular/releases/tag/v21.2.20
- Permalink: https://whatsnew.fyi/product/angular/releases/v21.2.20

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** — Sanitize host bindings on concrete hosts
- **fixed** — Match header values exactly when deleting
- **fixed** — Preserve immutability of materialized clones
- **fixed** — Run root interceptors in the terminal request chain

###### core
| Commit | Description |
| -- | -- |
| [![fix - 6afe6fa781](https://img.shields.io/badge/6afe6fa781-fix-green)](https://github.com/angular/angular/commit/6afe6fa781c2f0931f0aedd729b9884a8fe212ee) | sanitize host bindings on concrete hosts |
###### http
| Commit | Description |
| -- | -- |
| [![fix - fec5977df4](https://img.shields.io/badge/fec5977df4-fix-green)](https://github.com/angular/angular/commit/fec5977df4dda3a10d5ce2923e3e06d86ba11ee7) | match header values exactly when deleting |
| [![fix - e33d69a71c](https://img.shields.io/badge/e33d69a71c-fix-green)](https://github.com/angular/angular/commit/e33d69a71c5beb8fe5785b53fd6b37658334e8e0) | preserve immutability of materialized clones |
| [![fix - caf616670f](https://img.shields.io/badge/caf616670f-fix-green)](https://github.com/angular/angular/commit/caf616670fd20d528aa69e0131cc17d60f0cc27d) | run root interceptors in the terminal request chain |