A year ago, in May 2022, we added the side panel to Chrome. This is a new companion surface that allows users to use tools alongside the content they

Design a superior user experience with the new Side Panel API

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2023-06-04 06:00:03

A year ago, in May 2022, we added the side panel to Chrome. This is a new companion surface that allows users to use tools alongside the content they are browsing. Today, we're excited to announce that your extension can start showing content in the side panel, beginning in Chrome 114.

We've already seen many developers implement sidebar-like experiences into their extension, which is why we're thrilled to make it a platform standard. With the new Side Panel API, you can now offer a persistent UI that opens alongside a page that the user is visiting. Users will benefit from consistent positioning and layout between extensions. In addition, the ability to show UI without requesting host permissions is a significant privacy win for users, with the added benefit of reducing the number of warnings that show for your extension at install time.

The Side Panel API eliminates the headaches associated with injecting content into an untrusted page. It also significantly reduces the requirement for maintaining compatibility across different sites and sifting through bug reports about accidental disruptions caused by your extension.

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