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Google Chrome 126.0.6478.57 — Last Version with Mutation Events Support

What are Mutation Events? Mutation Events were used to detect changes in web pages, such as when a new element is added to the screen. Examples of these legacy events include: DOMNodeInserted DOMNodeRemoved DOMSubtreeModified These events were marked as deprecated several years ago, but they still worked in older versions of Chrome. As of version 127, they have been fully disabled. ...

June 1, 2025 · 2 min · 253 words
Microsoft Edge Mutation Events

Microsoft Edge 126.0.2592.68 — Last version with support for Mutation Events

Microsoft Edge 126.0.2592.68 — Last version with support for Mutation Events Version Microsoft Edge 126.0.2592.68 is the last version of Edge that allows enabling support for Mutation Events, a deprecated DOM feature that was widely used in older web applications. Like Chrome, Edge is based on Chromium, and this version is aligned with Chromium 126, which still includes the hidden flag to enable Mutation Events manually. ...

June 1, 2025 · 2 min · 305 words