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Chrome 141/Firefox 140 storage access activation per origin #28682

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Merged
chrisdavidmills merged 12 commits into from
Jan 19, 2026
Merged

Chrome 141/Firefox 140 storage access activation per origin #28682

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258f40b
Chrome 141/Firefox 140 storage access activation per origin
chrisdavidmills Dec 16, 2025
f762117
Update http/headers/Activate-Storage-Access.json
chrisdavidmills Dec 17, 2025
87efd15
Merge branch 'main' into storage-access-activation-per-origin-not-site
chrisdavidmills Jan 5, 2026
6b8aeeb
Merge branch 'main' into storage-access-activation-per-origin-not-site
chrisdavidmills Jan 14, 2026
30dd2a4
fixes for caugner review comments
chrisdavidmills Jan 14, 2026
013858e
revert unwanted changes
chrisdavidmills Jan 14, 2026
e615c8b
Merge branch 'main' into storage-access-activation-per-origin-not-site
chrisdavidmills Jan 16, 2026
60207ab
Add separate strict_same_origin_policy feature
chrisdavidmills Jan 16, 2026
2c160fc
Update api/Document.json
chrisdavidmills Jan 16, 2026
8eec95a
Remove note, improve URL
chrisdavidmills Jan 16, 2026
65bbc2d
Merge branch 'main' into storage-access-activation-per-origin-not-site
chrisdavidmills Jan 19, 2026
0953692
Fix linting error
chrisdavidmills Jan 19, 2026
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41 changes: 40 additions & 1 deletion api/Document.json
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Original file line number Diff line number Diff line change
Expand Up @@ -7295,7 +7295,10 @@
"opera_android": "mirror",
"safari": {
"version_added": "11.1",
"notes": "Client-side storage access granted per-page ([see explanation](https://developer.mozilla.org/docs/Web/API/Storage_Access_API#how_it_works))"
"notes": [
"Client-side storage access is granted per-page ([see explanation](https://developer.mozilla.org/docs/Web/API/Storage_Access_API#how_it_works)).",
"`storage-access` activation results in third-party cookies being sent with requests to the calling embed's site."
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@caugner caugner Jan 16, 2026

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Either this note describes the expected behavior before the spec change (then let's remove this note), or it describes a particular Chrome behavior before the spec change (then let's remove the note to the subfeature).

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@chrisdavidmills chrisdavidmills Jan 16, 2026

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Rats, I meant to remove that note, but forgot. Removed now.

I also updated the URL on the remaining note line to point directly at the note that explains "granted per-page", as the existing URL wasn't very effective.

]
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
Expand All @@ -7310,6 +7313,42 @@
"deprecated": false
}
},
"strict_same_origin_policy": {
"__compat": {
"description": "Third-party cookies sent only with requests to the calling embed's exact origin, not the whole site.",
"tags": [
"web-features:storage-access"
],
"support": {
"chrome": {
"version_added": "141"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "140"
},
"firefox_android": "mirror",
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": false
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": {
"version_added": false
},
"webview_ios": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"types_parameter": {
"__compat": {
"description": "`types` parameter",
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