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However, while it allows for embeds from cross-site to be treated as the same party when the top-level domain is owned by the same organization, there's no plan to have any effect on handling passwords. There's a similar potential web platform feature called First-Party Sets.
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If you employ multiple domains that share the same account management backend (such as and ), starting in version 91, you can enable Chrome to suggest passwords saved to domains associated with Digital Asset Links. You can now also associate websites in a cross-site relationship to enable users to save their credentials once and have the password manager suggest them to any of the affiliated websites. Apps are associated with sites using Digital Asset Links (DALs).
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