276940 2024-07-23 02:43:13 -0700 digits.t-mobile.com - Safari is not a recommended browser 2025-10-06 10:57:14 -0700 1 1 1 Unclassified WebKit WebKit Misc. Other Unspecified Unspecified RESOLVED FIXED https://digits.t-mobile.com/ InRadar P2 Normal --- 241749 1 karlcow webkit-unassigned emilio webkit-bug-importer oldest_to_newest 2047739 0 karlcow 2024-07-23 02:43:13 -0700 This is happening for both Firefox and Safari. This was reported initially to https://github.com/webcompat/web-bugs/issues/119767 Firefox https://bugzilla.mozilla.org/show_bug.cgi?id=1898952 Safari this issue. The diagnosis is ```js t.supportBrowser = function () { if (c()) return !0; if (r && !r.mobile) { const e = r.brands; if (e.length > 0) for (const t of e) if (['Google Chrome', 'Microsoft Edge'].includes(t.brand)) return !0 } return !1 }, ``` which relies on the support for Client Hints. ``` const r = navigator.userAgentData; ``` Firefox created a site intervention Quirk to provide an object for the site. https://github.com/mozilla-extensions/webcompat-addon/pull/362/files#diff-edfea982a0178b7a37361cb10b82f2fa16a793a3aaddabe651627aea35e8024d 2047741 1 webkit-bug-importer 2024-07-23 02:44:36 -0700 <rdar://problem/132309517> 2137543 2 ccarley2 2025-08-19 15:20:13 -0700 Pull request: https://github.com/WebKit/WebKit/pull/49617 2137626 3 ews-feeder 2025-08-19 22:35:28 -0700 Committed 298941@main (a579d4b73ccf): <https://commits.webkit.org/298941@main> Reviewed commits have been landed. Closing PR #49617 and removing active labels. 2148783 4 ews-feeder 2025-10-06 10:57:14 -0700 Committed 297297.514@safari-7622-branch (dea318e93536): <https://commits.webkit.org/297297.514@safari-7622-branch> Reviewed commits have been landed. Closing PR #3752 and removing active labels.