Entra ID supports federation natively.
Refer to https://video2.skills-academy.com/en-us/windows-server/identity/ad-fs/decommission/adfs-decommission-guide and https://video2.skills-academy.com/en-us/windows-server/identity/ad-fs/decommission/ad-fs-to-azure-ad-faq
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hth
Marcin