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This article lists the schedule of changes for Microsoft Edge and the Chromium project. It also highlights any differences and high-impact changes which the Microsoft Edge team is tracking especially closely.
The web platform is a collection of technologies used for building webpages, including HTML, CSS, JavaScript, and many other open standards. The web platform constantly evolves to improve the user experience, security, and privacy. In some cases, these changes may affect the functionality of existing webpages.
For functionality and compatibility reasons, Microsoft Edge adopts nearly all of the Chromium project's changes to the web platform. However, Microsoft retains full control of the Microsoft Edge browser and may defer or reject changes. The Microsoft Edge team decides if the change benefits browser users.
For information about upcoming Chromium project web platform changes, see Chrome Platform Status Release timeline.
Check this article often as the Microsoft Edge team updates this article as thinking evolves, timelines solidify, and new changes are announced.
This table lists:
Change | Stable channel | Experimentation | Additional information |
---|---|---|---|
Insecure downloads over HTTP | Future release (TBD) | When a user tries to download potentially dangerous content from an HTTP site, the user will receive a UI warning, such as "Insecure download blocked." The user will still have an option to proceed and download the item. Admins can use the InsecureContentAllowedForUrls policy to specify HTTP sites for which the warning will be suppressed. Admins can use the InsecureDownloadWarnings feature flag to test the impact of this upcoming feature. |
|
Deprecate unload event | Future release (TBD) | Introduces a new Permission-Policy to allow creating unload event listeners. The default policy is allow , but the default policy will gradually be migrated to deny , such that unload handlers stop firing on pages, unless a page explicitly opts in to re-enable them. This change is happening in the Chromium project, on which Microsoft Edge is based. For more information, see Intent to Deprecate: Deprecate unload event. |
|
Removal of cross-origin subframe JavaScript dialogs | Future release (TBD) | Removes window.alert , window.prompt , and window.confirm from cross-origin iframes. This change is happening in the Chromium project, on which Microsoft Edge is based. For more information, see Intent to Remove: Cross origin subframe JS Dialogs. |
|
Deprecate textprediction attribute |
v133 | Removes support for the textprediction HTML attribute, which is a nonstandard attribute that's used to enable or disable the browser-based Text Prediction feature for long-form text inputs. Instead, use the standardized writingsuggestions attribute, which functions similarly to textprediction , but also applies to other writing-assistance features that browsers may provide. Sites that explicitly set textprediction to true or false can instead set writingsuggestions to the same value. For more information, see Writing suggestions in the HTML specification. |
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Removal of Token Binding support | v127, v130 | Token Binding uses cryptographic certificates on both ends of the TLS connection in an attempt to close the security gap of bearer tokens, which may be lost or stolen. The enterprise policy AllowTokenBindingsForUrls will no longer be supported, as of v127. Support for the Token Binding protocol will be removed in v130. | |
Removal of mutation events | v127 | Removes support for mutation events in Chromium. Use the MutationObserver API instead. See Intent to Deprecate: Mutation Events. | |
Removal of Web SQL | v124 | Fully removes Web SQL support. In prior releases, Web SQL support was disabled by default but could be re-enabled via the WebSQLAccess policy. After this change, there is no longer any mechanism to enable Web SQL support. This change is happening in the Chromium project, on which Microsoft Edge is based. For more information, see Intent to Deprecate and Remove Web SQL. | |
Added support for AVIF and AV1 file formats | v121 | Microsoft Edge now supports the AVIF and AV1 file formats, which offer better compression and higher quality images and videos. Users can enjoy faster loading times and better quality media on websites. | |
Ignore modifications to document.domain by default |
v119 | The document.domain property historically could be set to relax the same-origin policy and allow subdomains from a site to interact. This behavior will be disabled by default such that setting the document.domain property will have no effect. For more information and workarounds, see Microsoft Edge will disable modifying document.domain. |
This article uses the following notation for browser release numbers.
Notation | Description |
---|---|
v123 | The feature or change ships in Microsoft Edge version 123. |
v123 (Chrome+1) | The feature or change ships in Microsoft Edge version 123, which is one release after the feature or change ships in Chrome version 122. |
v123 (Chrome+2) | The feature or change ships in Microsoft Edge version 123, which is two releases after the feature or change ships in Chrome version 121. |
Beta v123 | The feature or change ships in version 123 of the Beta preview channel of Microsoft Edge. |
Dev v123 | The feature or change ships in version 123 of the Dev preview channel of Microsoft Edge. |
Canary v123 | The feature or change ships in version 123 of the Canary preview channel of Microsoft Edge. |
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Ensure app and website compatibility with Microsoft Edge - Training
Ensure app and website compatibility with Microsoft Edge