User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0 Build ID: 20100101 Steps to reproduce: Load this RSS feed, for example : https://www.janbambas.cz/feed/ Actual results: The connection is marked as unsecured (at least in Firefox 58 & Firefox 59). Expected results: The connection should have been marked as secured.
Confirmed in latest nightly. https://www.janbambas.cz/ has a certificate issued by let's encrypt, which is correctly detected by Firefox, but the feed doesn't seem to have one according to Nightly (which is strange)
Status: UNCONFIRMED → NEW
Component: Untriaged → RSS Discovery and Preview
Ever confirmed: true
Status: NEW → RESOLVED
Last Resolved: 20 days ago
Resolution: --- → DUPLICATE
Duplicate of bug: 337897
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