Did Facebook change access_token style?

I think Facebook changed access_token style or I a开发者_Python百科m doing something really wrong?

URL Linter is not working anymore.

Can someone confirm that change?

URL Linter:

https://developers.facebook.com/tools/debug

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They have just transitioned to OAuth 2.0 and phased out OAuth 1.0 is my understanding. It's been on their road map for a while.

The access_token is now encrypted.