This is a community-edited list of which operating systems / browsers can connect to servers that use Let’s Encrypt certificates. More specifically, these systems trust the IdenTrust “DST Root CA X3” certificate that cross-signs ISRG’s issuing certificates. Android >= 2.3.6 (“DST Root CA X3” is inc…

Which browsers and operating systems support Let's Encrypt

MarcTV May 14, 2016, 10:24am 43

There seems to be a problem with the PS4 Browser and let's encrypt:

Topic		Replies	Views
[Help needed] Windows XP support	119	37954	April 7, 2016
Certificates are not trusted on Chrome and Safari on old iMac with El Capitan Help	53	34282	November 10, 2021
PLEASE cross-sign with another older CA before the 9/2021 deadline Feature Requests	22	4306	May 25, 2021
Users of older Android and Windows 7 not able to access website Help	27	10874	December 2, 2021
Please update the "Certificate Compatibility" page to include information about the new ISRG roots Site Feedback	23	3703	July 21, 2019