Change8

Migrating to Angular v21.1.6

Version v21.1.6 introduces 1 breaking change. This guide details how to update your code.

Released: 2/25/2026

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Breaking Changes
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Migration Steps
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Affected Symbols

⚠️ Check Your Code

If you use any of these symbols, you need to read this guide:

ICU messages

Breaking Changes

Issue #1

Angular now only applies known attributes from HTML in translated ICU content. Unknown attributes are dropped and not rendered.

Migration Steps

  1. 1
    Review usage of translated ICU content to ensure only known HTML attributes are present, as unknown attributes will now be dropped.

Release Summary

This release includes fixes across common, compiler-cli, and core modules, notably addressing LCP image detection and sensitive URI attribute blocking in ICU messages, alongside a breaking change that drops unknown attributes from translated ICU content.

Need More Details?

View the full release notes and all changes for Angular v21.1.6.

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