257845 2023-06-07 22:27:54 -0700 SameSite=None cookies are rejected unless the Secure attribute is set. Differences with other browsers 2023-06-12 16:07:00 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified NEW https://bugs.webkit.org/show_bug.cgi?id=255524 https://samesite-sandbox.glitch.me BrowserCompat, InRadar, WPTImpact P2 Normal --- 1 karlcow webkit-unassigned achristensen cbilling webkit-bug-importer wilander youennf oldest_to_newest 1960494 0 karlcow 2023-06-07 22:27:54 -0700 Steps to reproduce: 1. Go to https://samesite-sandbox.glitch.me See differences in between Safari, Firefox Nightly and Chrome Canary 2. Go to https://samesitetest.com/ See differences in between Safari, Firefox Nightly and Chrome Canary It would be good to figure out the differences and how it impacts web compatibility. Maybe that would explain some of the issues detected in the comments of Bug 255524 But this one seems to be an obvious one. https://wpt.fyi/results/cookies/samesite-none-secure/cookies-without-samesite-must-be-secure.https.html?label=master&label=experimental&aligned&q=samesite Also https://wpt.fyi/results/cookies/samesite?label=master&label=experimental&aligned&q=samesite 1960495 1 webkit-bug-importer 2023-06-07 22:28:04 -0700 <rdar://problem/110442616>