FIDO2 Office 365 and Windows Hello For Business Sign-in?

Question

I saw that this was in preview a year ago.
https://techcommunity.microsoft.com/t5/Azure-Active-Directory-Identity/bg-p/Identity

Is logging into Windows 10 Hybrid joined systems using FIDO security keys now working?

What about signing into Office 365 desktop apps, mobile apps and web apps with FIDO security keys?

mwmcclure · Answer

KalimanneJonce you upgrade to build 1903; you'll see the Security Key as an option under settings.&nbsp;

kalimannej · Answer

This is the link from last year I meant to post above,

It says it was in "limited preview" in April 2018.

Is it fully available now? If so, how do we get it?

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