Firefox 153 ships the new , removing the need for extensions to bundle and maintain a copy of the list.
This feature has a longstanding request to configure , building on top of the publicSuffix API in Firefox 153.
Behind the scenes
The first Firefox patch for this API went up in June 2022, but it wasn’t the one that shipped. That month, in accordance with the . Francis then submitted the Firefox implementation patches, which landed in June and shipped in July with Firefox 153 (see and participating in discussions is the way to make it visible to the people who can help make it happen.
As to the API. This insight resulted in a under the WebExtensions product, and cross-browser API proposals are discussed in the is the best place to start.
The post .
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