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 messagesBreaking Changes
●Issue #1
Angular now only applies known attributes from HTML in translated ICU content. Unknown attributes are dropped and not rendered.
Migration Steps
- 1Review 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.
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View the full release notes and all changes for Angular v21.1.6.
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