●Change8

Migrating to Angular v20.3.17

Version v20.3.17 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 processing

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 ICU messages in templates to ensure only known attributes are present if rendering is expected to remain unchanged.

Release Summary

This release introduces stricter security handling by blocking sensitive URI attributes in ICU messages and dropping unknown attributes during rendering.

Need More Details?

View the full release notes and all changes for Angular v20.3.17.

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