The update log.
This page separates changes to MDN data, Web Platform Baseline information, ControlCurrent's feature definitions, and browser release records. A data correction does not necessarily mean the browser itself changed on that date.
74 recorded events
Update timeline
Current sources: MDN BCD 8.1.5 and WebDX 3.42.0
- selected path added
The selected BCD path http.headers.Clear-Site-Data.storage was added.
http.headers.Clear-Site-Data.storage - selected path added
The selected BCD path http.headers.Permissions-Policy.geolocation was added.
http.headers.Permissions-Policy.geolocation - selected path added
The selected BCD path http.headers.Clear-Site-Data.cookies was added.
http.headers.Clear-Site-Data.cookies - selected path added
The selected BCD path http.headers.Clear-Site-Data.cache was added.
http.headers.Clear-Site-Data.cache - browser release added
WebView Android 158 was added to the selected BCD release metadata.
- selected path added
The selected BCD path http.headers.Permissions-Policy.camera was added.
http.headers.Permissions-Policy.camera - selected path added
The selected BCD path http.headers.Permissions-Policy.microphone was added.
http.headers.Permissions-Policy.microphone - browser release added
Chrome Android 158 was added to the selected BCD release metadata.
- control mapping changed
The control catalogue mapping changed from 2.2.0 to 2.3.0.
- browser release added
Chrome 158 was added to the selected BCD release metadata.
- browser release added
Edge 157 was added to the selected BCD release metadata.
- support version added
http.headers.Integrity-Policy-Report-Only changed for samsunginternet_android: {"version_added":false} to {"version_added":"30.0"}.
http.headers.Integrity-Policy-Report-Only - support version added
http.headers.Set-Cookie.http_host-http_prefixes changed for samsunginternet_android: {"version_added":false} to {"version_added":"30.0"}.
http.headers.Set-Cookie.http_host-http_prefixes - browser release added
Chrome Android 157 was added to the selected BCD release metadata.
- browser release added
Safari 27.2 was added to the selected BCD release metadata.
- browser release added
WebView Android 156 was added to the selected BCD release metadata.
- support version added
http.headers.Integrity-Policy changed for samsunginternet_android: {"version_added":false} to {"version_added":"30.0"}.
http.headers.Integrity-Policy - browser release added
WebView Android 157 was added to the selected BCD release metadata.
- browser release added
Firefox 160 was added to the selected BCD release metadata.
- browser release added
Chrome Android 156 was added to the selected BCD release metadata.
- browser release added
Chrome 157 was added to the selected BCD release metadata.
- browser release added
Firefox 159 was added to the selected BCD release metadata.
- browser release added
Firefox for Android 159 was added to the selected BCD release metadata.
- browser release added
Samsung Browser 30.0 was added to the selected BCD release metadata.
- browser release added
Firefox for Android 160 was added to the selected BCD release metadata.
- browser release added
Edge 156 was added to the selected BCD release metadata.
- browser release added
Chrome 156 was added to the selected BCD release metadata.
- browser release added
Safari on iOS 27.2 was added to the selected BCD release metadata.
- browser release added
Edge 154 was added to the selected BCD release metadata.
- browser release added
Firefox 157 was added to the selected BCD release metadata.
- support version added
api.CredentialsContainer.create.publicKey_option.extensions.prf changed for firefox_android: {"version_added":false,"impl_url":"https://bugzil.la/1958716"} to {"version_added":"149"}.
api.CredentialsContainer.create.publicKey_option.extensions.prf - support version corrected
http.headers.Permissions-Policy changed for edge: {"version_added":"88"} to {"version_added":"85"}.
http.headers.Permissions-Policy - browser release added
Firefox 158 was added to the selected BCD release metadata.
- browser release added
Edge 155 was added to the selected BCD release metadata.
- browser release added
Safari on iOS 26.6 was added to the selected BCD release metadata.
- browser release added
Chrome Android 154 was added to the selected BCD release metadata.
- support version corrected
http.headers.Permissions-Policy changed for samsunginternet_android: {"version_added":"15.0"} to {"version_added":"14.0"}.
http.headers.Permissions-Policy - partial support added
api.PublicKeyCredential.isConditionalMediationAvailable_static changed for webview_android: {"version_added":false} to {"version_added":"131","partial_implementation":true,"notes":"Conditional mediation (autofill integration) is not sup….
api.PublicKeyCredential.isConditionalMediationAvailable_static - browser release added
Safari 26.6 was added to the selected BCD release metadata.
- browser release added
Firefox for Android 157 was added to the selected BCD release metadata.
- browser release added
Chrome Android 155 was added to the selected BCD release metadata.
- support version corrected
http.headers.Permissions-Policy changed for chrome_android: {"version_added":"88"} to {"version_added":"85"}.
http.headers.Permissions-Policy - support version corrected
http.headers.Permissions-Policy changed for chrome: {"version_added":"88"} to {"version_added":"85"}.
http.headers.Permissions-Policy - support version corrected
http.headers.Permissions-Policy changed for webview_android: {"version_added":"88"} to {"version_added":"85"}.
http.headers.Permissions-Policy - browser release added
WebView Android 155 was added to the selected BCD release metadata.
- browser release added
WebView Android 154 was added to the selected BCD release metadata.
- browser release added
Chrome 155 was added to the selected BCD release metadata.
- browser release added
Chrome 154 was added to the selected BCD release metadata.
- support version added
api.PublicKeyCredential.isUserVerifyingPlatformAuthenticatorAvailable_static changed for webview_android: {"version_added":false} to {"version_added":"70"}.
api.PublicKeyCredential.isUserVerifyingPlatformAuthenticatorAvailable_static - browser release added
Firefox for Android 158 was added to the selected BCD release metadata.
- browser release added
Firefox 156 was added to the selected BCD release metadata.
- browser release added
Firefox for Android 156 was added to the selected BCD release metadata.
- selected path added
The selected BCD path http.headers.Clear-Site-Data was added.
http.headers.Clear-Site-Data - selected path added
The selected BCD path http.headers.Strict-Transport-Security was added.
http.headers.Strict-Transport-Security - selected path added
The selected BCD path http.headers.Origin-Agent-Cluster was added.
http.headers.Origin-Agent-Cluster - selected path added
The selected BCD path http.headers.Content-Security-Policy.form-action was added.
http.headers.Content-Security-Policy.form-action - selected path added
The selected BCD path http.headers.Set-Cookie.HttpOnly was added.
http.headers.Set-Cookie.HttpOnly - selected path added
The selected BCD path api.CredentialsContainer.get.publicKey_option.extensions.prf was added.
api.CredentialsContainer.get.publicKey_option.extensions.prf - selected path added
The selected BCD path http.headers.X-Content-Type-Options was added.
http.headers.X-Content-Type-Options - selected path added
The selected BCD path http.headers.Content-Security-Policy.sandbox was added.
http.headers.Content-Security-Policy.sandbox - control mapping changed
The control catalogue mapping changed from 2.1.0 to 2.2.0.
- baseline established
ControlCurrent established its first selected BCD baseline at version 8.0.7.
- selected path added
The selected BCD path http.headers.Cross-Origin-Embedder-Policy.credentialless was added.
http.headers.Cross-Origin-Embedder-Policy.credentialless - control mapping changed
The control catalogue mapping changed from 1.0.0 to 2.0.0.
- selected path added
The selected BCD path http.headers.Integrity-Policy was added.
http.headers.Integrity-Policy - selected path added
The selected BCD path api.PublicKeyCredential.isUserVerifyingPlatformAuthenticatorAvailable_static was added.
api.PublicKeyCredential.isUserVerifyingPlatformAuthenticatorAvailable_static - control mapping changed
The control catalogue mapping changed from 2.0.0 to 2.1.0.
- selected path added
The selected BCD path http.headers.Set-Cookie.host_secure_prefixes was added.
http.headers.Set-Cookie.host_secure_prefixes - selected path added
The selected BCD path http.headers.Integrity-Policy-Report-Only was added.
http.headers.Integrity-Policy-Report-Only - selected path added
The selected BCD path http.headers.Set-Cookie.http_host-http_prefixes was added.
http.headers.Set-Cookie.http_host-http_prefixes - selected path added
The selected BCD path http.headers.Content-Security-Policy.base-uri was added.
http.headers.Content-Security-Policy.base-uri - selected path added
The selected BCD path http.headers.Content-Security-Policy.frame-ancestors was added.
http.headers.Content-Security-Policy.frame-ancestors - selected path added
The selected BCD path api.CredentialsContainer.create.publicKey_option.extensions.prf was added.
api.CredentialsContainer.create.publicKey_option.extensions.prf - selected path added
The selected BCD path http.headers.Content-Security-Policy.upgrade-insecure-requests was added.
http.headers.Content-Security-Policy.upgrade-insecure-requests
The timeline starts when ControlCurrent began retaining this data. It does not invent earlier changes from source versions the project never stored and compared.
Data versions used by the site
Reviewed source versions
Each row records the exact browser-data version, feature-data version, catalogue version, and item counts used to build the site.
| BCD source date | BCD | WebDX | Catalogue | Controls | Paths | Baseline links | Associated events |
|---|---|---|---|---|---|---|---|
| 8 October 2026 | 8.1.5 | 3.42.0 | 2.3.0 | 36 | 42 | 34 | 7 |
| 8 October 2026 | 8.1.5 | 3.42.0 | 2.2.0 | 30 | 36 | 28 | 3 |
| 1 October 2026 | 8.1.4 | 3.40.1 | 2.2.0 | 30 | 36 | 28 | 18 |
| 3 September 2026 | 8.1.0 | 3.37.0 | 2.2.0 | 30 | 36 | 28 | 22 |
| 24 July 2026 | 8.0.8 | 3.34.2 | 2.2.0 | 30 | 36 | 28 | 2 |
| 17 July 2026 | 8.0.7 | 3.34.1 | 2.2.0 | 30 | 36 | 28 | 3 |
| 17 July 2026 | 8.0.7 | 3.34.1 | 2.1.0 | 29 | 34 | 26 | 2 |
| 17 July 2026 | 8.0.7 | 3.34.1 | 2.0.0 | 29 | 33 | 25 | 17 |
The MDN data date comes from the source package. It is not the date a reviewer ran ControlCurrent, and it cannot recreate versions the project never stored.