ShadowRoot issue in Chrome 129+

Learn about issues with capturing ShadowRoot elements in Chrome 129+.

ShadowRoot elements may not capture correctly in Chrome 129+ due to the deprecation of the getInnerHTML API, affecting visual tests.

How to fix it?

• Upgrade to the latest version of Percy CLI (≥ 1.30.5).
• Update ShadowRoot declarations: Add serializable: true to ShadowRoot elements created with attachShadow to enable proper serialization.

This change ensures ShadowRoot elements are captured correctly during visual testing.

Reference Topic

• Percy Common - FAQs