Google has officially shut down Project Mariner, an innovative feature that aimed to automate tasks across the web. The company made the decision to discontinue the project, citing an unspecified reason. The landing page for Project Mariner now displays a notice, thanking users for their participation and stating that the project was shut down on May 4th, 2026. Details about the technology used in Project Mariner are no longer available, as the landing page has been updated to reflect the project's closure. Google hasn't provided any further information on the reasons behind the shutdown or what will happen to the technology developed during the project. Project Mariner was first reported by Wired journalist Maxwell Zeff, who had initially highlighted the experimental feature. While the project's closure may be a setback for those who were looking forward to its potential applications, it's worth noting that Google often experiments with new technologies before deciding whether to integrate them into their existing products. The shutdown of Project Mariner serves as a reminder that Google frequently tests and refines its features before deciding which ones to make available to the public. As such, the company's decision to discontinue the project may not necessarily indicate a lack of interest in the technology, but rather a strategic decision to focus on other areas of development.