Let's Encrypt announced yesterday that they are now directly trusted by all major root certificate programs including those from Microsoft, Google, Apple, Mozilla, Oracle, and Blackberry. With this announcement, Let's Encrypt is now directly trusted by all major browsers and operating systems.
While Let's Encrypt has already been trusted by almost all browsers, it was done so through intermediate certificate that were cross-signed by IdenTrust. As IdenTrust was directly trusted by all major browser vendors and operating systems, it also allowed Let's Encrypt to be trusted as well.
With Let's Encrypt now being directly trusted, if there is ever a problem with IdenTrust and they themselves become untrusted, Let's Encrypt users will still be able to function properly. Before anyone says this could never happen, just remember what happened with the Symantec certs being
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