diff --git a/microsoft-edge/toc.yml b/microsoft-edge/toc.yml index 42c7b052b5..56fab2825d 100644 --- a/microsoft-edge/toc.yml +++ b/microsoft-edge/toc.yml @@ -1529,7 +1529,10 @@ - name: Release notes for the WebView2 Runtime href: ./webview2/release-notes/runtime/index.md - - name: Preview Runtime 152.0.4181.0 (Aug. 3, 2026) + - name: Preview Runtime 153.0.4234.6 (Aug. 28, 2026) + href: ./webview2/release-notes/runtime/153.md + + - name: Runtime 152.0.4191.53 (Aug. 28, 2026) href: ./webview2/release-notes/runtime/152.md - name: Runtime 151.0.4129.50 (Aug. 3, 2026) @@ -1556,11 +1559,11 @@ - name: Runtime 144.0.3719.77 (Jan. 27, 2026) href: ./webview2/release-notes/runtime/144.md - - name: Runtime 143.0.3650.58 (Dec. 8, 2025) - href: ./webview2/release-notes/runtime/143.md - - name: Archive items: + - name: Runtime 143.0.3650.58 (Dec. 8, 2025) + href: ./webview2/release-notes/runtime/143.md + - name: Runtime 142.0.3595.46 (Nov. 3, 2025) href: ./webview2/release-notes/runtime/142.md @@ -1768,6 +1771,9 @@ - name: Release notes for WebView2 SDKs href: ./webview2/release-notes/sdk/index.md + - name: SDK 1.0.4191.47, for Runtime 152 (Aug. 28, 2026) + href: ./webview2/release-notes/sdk/1-0-4191-47.md + - name: SDK 1.0.4181-prerelease, for Runtime 152 (Aug. 3, 2026) href: ./webview2/release-notes/sdk/1-0-4181-prerelease.md diff --git a/microsoft-edge/web-platform/release-notes/152.md b/microsoft-edge/web-platform/release-notes/152.md index b8ff84fc13..524ab01091 100644 --- a/microsoft-edge/web-platform/release-notes/152.md +++ b/microsoft-edge/web-platform/release-notes/152.md @@ -48,7 +48,7 @@ See [What's new in DevTools (Microsoft Edge 152)](../../devtools/whats-new/152.m ## WebView2 See: -* [Preview Runtime 152.0.4181.0 (Aug. 3, 2026)](../../webview2/release-notes/runtime/152.md) +* [Runtime 152.0.4191.53 (Aug. 28, 2026)](../../webview2/release-notes/runtime/152.md) * [SDK 1.0.4181-prerelease, for Runtime 152 (Aug. 3, 2026)](../../webview2/release-notes/sdk/1-0-4181-prerelease.md) diff --git a/microsoft-edge/webview2/concepts/webview-features-flags.md b/microsoft-edge/webview2/concepts/webview-features-flags.md index d24460d18f..677a081013 100644 --- a/microsoft-edge/webview2/concepts/webview-features-flags.md +++ b/microsoft-edge/webview2/concepts/webview-features-flags.md @@ -6,7 +6,7 @@ ms.author: msedgedevrel ms.topic: article ms.service: microsoft-edge ms.subservice: webview -ms.date: 06/24/2026 +ms.date: 08/28/2026 --- # WebView2 browser flags | `edge-webview-unique-window-class` | Makes WebView2 register module-specific window classes by automatically appending a suffix that's derived from the client module's file name, without path or extension details. For example, for the file name `EmbeddedBrowserWebView.dll`, a suffix of `EmbeddedBrowserWebView` is appended to `Chrome_WidgetWin_0`, forming `Chrome_WidgetWin_0_EmbeddedBrowserWebView`. Enable this flag, to avoid a crash that can occur when different versions of WebView2 and Chromium Embedded Framework (CEF) coexist in the same process and attempt to interact with windows that share the same class. | | `embedded-browser-webview-dpi-awareness` | Sets the DPI awareness level of the server-side processes. | | `enable-aggressive-domstorage-flushing` | Enables aggressive flushing of DOM Storage, to minimize data loss. | +| `enable-blink-features` | `enable-blink-features=DragAndDropJSFileObjects` enables dragging JavaScript-constructed `File` objects from the WebView2 control to native Windows applications and to other applications that are based on the Chromium browser engine. Currently limited to image MIME types. Without this flag, the file bytes are discarded and only the file name is delivered as plain text. Files that are delivered through this path don't receive a `Mark` of the Web marking. | | `enable-experimental-web-platform-features` | Enables Web Platform features that are in development. | | `enable-logging` | Enable logging at the error level. | | `force-color-profile` | Force all monitors to be treated as though they have the specified color profile. Valid values: `srgb`, `generic-rgb`. | diff --git a/microsoft-edge/webview2/release-notes/includes/runtime-preview-template.md b/microsoft-edge/webview2/release-notes/includes/runtime-preview-template.md index 542567a15b..2648200378 100644 --- a/microsoft-edge/webview2/release-notes/includes/runtime-preview-template.md +++ b/microsoft-edge/webview2/release-notes/includes/runtime-preview-template.md @@ -9,7 +9,7 @@ ms.subservice: webview ms.date: 01/01/2026 --- # Preview Runtime nnn.n.nnnn.nn (Mmm. dd, yyyy) - + Release notes for Microsoft Edge WebView2 Preview Runtime, release date: Mmm. dd, yyyy. diff --git a/microsoft-edge/webview2/release-notes/runtime/150.md b/microsoft-edge/webview2/release-notes/runtime/150.md index 25dd0821db..5de9d0595e 100644 --- a/microsoft-edge/webview2/release-notes/runtime/150.md +++ b/microsoft-edge/webview2/release-notes/runtime/150.md @@ -16,7 +16,7 @@ Release notes for Microsoft Edge WebView2 Runtime, release date: Jul. 7, 2026. ## WebView2 Runtime is changing to a 2-week release cadence -Starting with version 152 (Aug. 24, 2026), the WebView2 Runtime moves to a 2-week release cadence. This is aligned with Microsoft Edge. WebView2 Runtime version 151 is the final release that's on a 4-week release cadence. +Starting with version 152 (Aug. 28, 2026), the WebView2 Runtime moves to a 2-week release cadence. This is aligned with Microsoft Edge. WebView2 Runtime version 151 is the final release that's on a 4-week release cadence. See [[Announcement] WebView2 Runtime moves to a 2-week release cadence (starting v152)](https://github.com/MicrosoftEdge/WebView2Announcements/issues/137). diff --git a/microsoft-edge/webview2/release-notes/runtime/151.md b/microsoft-edge/webview2/release-notes/runtime/151.md index 1ede3598ca..4dab7c1d64 100644 --- a/microsoft-edge/webview2/release-notes/runtime/151.md +++ b/microsoft-edge/webview2/release-notes/runtime/151.md @@ -16,7 +16,7 @@ Release notes for Microsoft Edge WebView2 Runtime, release date: Aug. 3, 2026. ## WebView2 Runtime is changing to a 2-week release cadence -Starting with version 152 (Aug. 24, 2026), the WebView2 Runtime moves to a 2-week release cadence. This is aligned with Microsoft Edge. WebView2 Runtime version 151 is the final release that's on a 4-week release cadence. +Starting with version 152 (Aug. 28, 2026), the WebView2 Runtime moves to a 2-week release cadence. This is aligned with Microsoft Edge. WebView2 Runtime version 151 is the final release that's on a 4-week release cadence. See [[Announcement] WebView2 Runtime moves to a 2-week release cadence (starting v152)](https://github.com/MicrosoftEdge/WebView2Announcements/issues/137). diff --git a/microsoft-edge/webview2/release-notes/runtime/152.md b/microsoft-edge/webview2/release-notes/runtime/152.md index 1f428e077e..c766a85094 100644 --- a/microsoft-edge/webview2/release-notes/runtime/152.md +++ b/microsoft-edge/webview2/release-notes/runtime/152.md @@ -1,25 +1,23 @@ --- -title: Preview Runtime 152.0.4181.0 (Aug. 3, 2026) -description: Release notes for Microsoft Edge WebView2 Preview Runtime 152.0.4181.0. +title: Runtime 152.0.4191.53 (Aug. 28, 2026) +description: Release notes for Microsoft Edge WebView2 Preview Runtime. author: MSEdgeTeam ms.author: msedgedevrel ms.topic: article ms.service: microsoft-edge ms.subservice: webview -ms.date: 08/03/2026 +ms.date: 08/28/2026 --- -# Preview Runtime 152.0.4181.0 (Aug. 3, 2026) - +# Runtime 152.0.4191.53 (Aug. 28, 2026) -Release notes for Microsoft Edge WebView2 Preview Runtime, release date: Aug. 3, 2026. - - -This is a Preview Runtime, for early testing. Prerelease testing of WebView2 SDKs uses a preview channel of Microsoft Edge (Beta, Dev, or Canary), which includes the WebView2 Preview Runtime. See [Prerelease testing using preview channels](../../how-to/prerelease-testing.md). +Release notes for Microsoft Edge WebView2 Runtime, release date: Aug. 28, 2026. #### Bug fixes + + * Fixed invisible caption button glyphs on dark Window Controls Overlay backgrounds. * Restricted access to a singleton host pipe in legacy WebView2 clients. @@ -36,10 +34,17 @@ This is a Preview Runtime, for early testing. Prerelease testing of WebView2 SD * Fixed the inability to drag a window via the top border of a custom title bar. + + +* Fixed an issue that could cause WebView2 apps to crash during startup. + +* Fixed a cross-origin redirect failure when `WebResourceRequested` (WRR) was attached. + ## See also +* [SDK 1.0.4191.47, for Runtime 152 (Aug. 28, 2026)](../sdk/1-0-4191-47.md) * [SDK 1.0.4181-prerelease, for Runtime 152 (Aug. 3, 2026)](../sdk/1-0-4181-prerelease.md) * [Release notes for WebView2](../index.md) * [Release notes for the WebView2 Runtime](./index.md) diff --git a/microsoft-edge/webview2/release-notes/runtime/153.md b/microsoft-edge/webview2/release-notes/runtime/153.md new file mode 100644 index 0000000000..bb2524a953 --- /dev/null +++ b/microsoft-edge/webview2/release-notes/runtime/153.md @@ -0,0 +1,41 @@ +--- +title: Preview Runtime 153.0.4234.6 (Aug. 28, 2026) +description: Release notes for Microsoft Edge WebView2 Preview Runtime 153.0.4234.6. +author: MSEdgeTeam +ms.author: msedgedevrel +ms.topic: article +ms.service: microsoft-edge +ms.subservice: webview +ms.date: 08/28/2026 +--- +# Preview Runtime 153.0.4234.6 (Aug. 28, 2026) + + +Release notes for Microsoft Edge WebView2 Preview Runtime, release date: Aug. 28, 2026. + + +This is a Preview Runtime, for early testing. Prerelease testing of WebView2 SDKs uses a preview channel of Microsoft Edge (Beta, Dev, or Canary), which includes the WebView2 Preview Runtime. See [Prerelease testing using preview channels](../../how-to/prerelease-testing.md). + + + +#### Bug fixes + +* Fixed an issue that could cause WebView2 applications to crash during startup. + +* Fixed a UAF in `ClosePrintToStreamHandle`. + +* Fixed a cross-origin redirect failure when `WebResourceRequested` (WRR) was attached. + +* Fixed downloads so they're submitted for antivirus scanning under the host app's identity instead of the shared Runtime's identity. + +* Fixed Mark-of-the-Web prompt state so it's tracked per the host app instead of per the shared WebView2 Runtime. + +* Passkey prompts now open in the correct WebView2 host window. + + + +## See also + +* [Release notes for WebView2](../index.md) + * [Release notes for the WebView2 Runtime](./index.md) + * [Release notes for WebView2 SDKs](../sdk/index.md) diff --git a/microsoft-edge/webview2/release-notes/runtime/index.md b/microsoft-edge/webview2/release-notes/runtime/index.md index f9c2ec31a1..a42e276edb 100644 --- a/microsoft-edge/webview2/release-notes/runtime/index.md +++ b/microsoft-edge/webview2/release-notes/runtime/index.md @@ -6,7 +6,7 @@ ms.author: msedgedevrel ms.topic: article ms.service: microsoft-edge ms.subservice: webview -ms.date: 08/12/2026 +ms.date: 08/24/2026 --- # Release notes for the WebView2 Runtime @@ -15,7 +15,8 @@ list past 10 releases (runtimes) in toc.yml, add new relnotes pages, move relnotes pages to archive in /webview2/release-notes/runtime/index.md, add new relnotes link, remove earliest relnotes link --> Release notes for recent Runtimes: -* [Preview Runtime 152.0.4181.0 (Aug. 3, 2026)](./152.md) +* [Preview Runtime 153.0.4234.6 (Aug. 28, 2026)](./153.md) +* [Runtime 152.0.4191.53 (Aug. 28, 2026)](./152.md) * [Runtime 151.0.4129.50 (Aug. 3, 2026)](./151.md) * [Runtime 150.0.4078.44 (Jul. 7, 2026)](./150.md) * [Runtime 149.0.4022.49 (Jun. 11, 2026)](./149.md) @@ -24,7 +25,6 @@ Release notes for recent Runtimes: * [Runtime 146.0.3856.49 (Mar. 16, 2026)](./146.md) * [Runtime 145.0.3800.47 (Feb. 16, 2026)](./145.md) * [Runtime 144.0.3719.77 (Jan. 27, 2026)](./144.md) -* [Runtime 143.0.3650.58 (Dec. 8, 2025)](./143.md) For earlier release notes, see **Archive** in the table of contents. @@ -51,7 +51,7 @@ Make sure to re-compile your WebView2 app after updating the WebView2 SDK NuGet * Use the Canary preview channel of Microsoft Edge (which includes the WebView2 Preview Runtime) when you do early testing and development using a Prerelease version of the WebView2 SDK package. - Canary is the recommended preview channel, because it ships at the fastest cadence and has the newest APIs. + Canary is the recommended preview channel, because it ships at the fastest cadence and has the newest APIs. Prerelease testing of WebView2 SDKs uses a preview channel of Microsoft Edge (Beta, Dev, or Canary), which includes the WebView2 Preview Runtime. See [Prerelease testing using preview channels](../../how-to/prerelease-testing.md). diff --git a/microsoft-edge/webview2/release-notes/sdk/1-0-4181-prerelease.md b/microsoft-edge/webview2/release-notes/sdk/1-0-4181-prerelease.md index 3fa23d6343..bcb41a348d 100644 --- a/microsoft-edge/webview2/release-notes/sdk/1-0-4181-prerelease.md +++ b/microsoft-edge/webview2/release-notes/sdk/1-0-4181-prerelease.md @@ -14,7 +14,7 @@ Release notes for Microsoft Edge WebView2 Prerelease SDK, release date: Aug. 3, [NuGet package for WebView2 SDK 1.0.4181-prerelease](https://www.nuget.org/packages/Microsoft.Web.WebView2/1.0.4181-prerelease) -For full API compatibility, this Prerelease version of the WebView2 SDK requires the WebView2 Runtime that ships with Microsoft Edge version 152.0.4181.0 or later; see [Preview Runtime 152.0.4181.0 (Aug. 3, 2026)](../runtime/152.md). +For full API compatibility, this Prerelease version of the WebView2 SDK requires the WebView2 Runtime that ships with Microsoft Edge version 152.0.4181.0 or later; see [Runtime 152.0.4191.53 (Aug. 28, 2026)](../runtime/152.md). @@ -130,7 +130,7 @@ Releasing or closing the monitor stops all events and clears all filters. ## See also -* [Preview Runtime 152.0.4181.0 (Aug. 3, 2026)](../runtime/152.md) +* [Runtime 152.0.4191.53 (Aug. 28, 2026)](../runtime/152.md) * [Release notes for WebView2](../index.md) * [Release notes for the WebView2 Runtime](../runtime/index.md) * [Release notes for WebView2 SDKs](./index.md) diff --git a/microsoft-edge/webview2/release-notes/sdk/1-0-4191-47.md b/microsoft-edge/webview2/release-notes/sdk/1-0-4191-47.md new file mode 100644 index 0000000000..82deec0783 --- /dev/null +++ b/microsoft-edge/webview2/release-notes/sdk/1-0-4191-47.md @@ -0,0 +1,34 @@ +--- +title: SDK 1.0.4191.47, for Runtime 152 (Aug. 28, 2026) +description: Release notes for Microsoft Edge WebView2, for Release SDK 1.0.4191.47. +author: MSEdgeTeam +ms.author: msedgedevrel +ms.topic: article +ms.service: microsoft-edge +ms.subservice: webview +ms.date: 08/28/2026 +--- +# SDK 1.0.4191.47, for Runtime 152 (Aug. 28, 2026) + + + +Release notes for Microsoft Edge WebView2 SDK, release date: Aug. 28, 2026. + +[NuGet package for WebView2 SDK 1.0.4191.47](https://www.nuget.org/packages/Microsoft.Web.WebView2/1.0.4191.47) + +For full API compatibility, this Release version of the WebView2 SDK requires WebView2 [Runtime 152.0.4191.53 (Aug. 28, 2026)](../runtime/152.md) or later. + + + +## Bug fixes + +* Fixed a WPF crash from changing the display topology in composition-controlled apps. + + + +## See also + +* [Runtime 152.0.4191.53 (Aug. 28, 2026)](../runtime/152.md) +* [Release notes for WebView2](../index.md) + * [Release notes for the WebView2 Runtime](../runtime/index.md) + * [Release notes for WebView2 SDKs](./index.md) diff --git a/microsoft-edge/webview2/release-notes/sdk/index.md b/microsoft-edge/webview2/release-notes/sdk/index.md index 73060ebc2a..6819ff7be7 100644 --- a/microsoft-edge/webview2/release-notes/sdk/index.md +++ b/microsoft-edge/webview2/release-notes/sdk/index.md @@ -15,6 +15,7 @@ list past 10 releases in toc.yml, add new relnotes pages, move relnotes pages to archive in /webview2/release-notes/sdk/index.md, add new relnotes links, remove earliest relnotes links --> Release notes for recent SDKs: +* [SDK 1.0.4191.47, for Runtime 152 (Aug. 28, 2026)](./1-0-4191-47.md) * [SDK 1.0.4181-prerelease, for Runtime 152 (Aug. 3, 2026)](./1-0-4181-prerelease.md) * [SDK 1.0.4129.50, for Runtime 151 (Aug. 3, 2026)](./1-0-4129-50.md) * [SDK 1.0.4126-prerelease, for Runtime 151 (Jul. 7, 2026)](./1-0-4126-prerelease.md)