Prerelease SDK 1.0.1466-prerelease, for Runtime 109 (Oct. 31, 2022)

Release notes for Microsoft Edge WebView2 Prerelease SDK, release date: Oct. 31, 2022.

NuGet package for WebView2 SDK 1.0.1466-prerelease

For full API compatibility, this Prerelease version of the WebView2 SDK requires the WebView2 Runtime that ships with Microsoft Edge version 109.0.1466.0 or later; see Runtime 109.0.1518.46 (Jan. 17, 2023).

Detailed contents:

• Experimental APIs (Phase 1: Experimental in Prerelease)
  • Creating shared memory buffer with specified size
  • Access shared buffer from script of main frame or iframe
  • Run JavaScript via JavaScript parameter in current document
• Bug fixes
• See also

Experimental APIs (Phase 1: Experimental in Prerelease)

The following Experimental APIs have been added in this Prerelease SDK.

Creating shared memory buffer with specified size

Added support for creating a shared memory based buffer with a specified size.

.NET/C#

• CoreWebView2SharedBuffer Class
  • Buffer
  • FileMappingHandle
  • Size
  • Close
  • Dispose
  • OpenStream

WinRT/C#

• CoreWebView2SharedBuffer Class
  • Buffer
  • Size
  • Close
  • OpenStream

Win32/C++

• ICoreWebView2ExperimentalSharedBuffer
  • Close
  • get_Buffer
  • get_FileMappingHandle
  • get_Size
  • OpenStream

Access shared buffer from script of main frame or iframe

Added support for accessing a shared buffer object from the script of the main frame or iframe.

.NET/C#

• CoreWebView2.PostSharedBufferToScript Method
• CoreWebView2Frame.PostSharedBufferToScript Method

WinRT/C#

• CoreWebView2.PostSharedBufferToScript Method
• CoreWebView2Frame.PostSharedBufferToScript Method

Win32/C++

• ICoreWebView2Experimental18::PostSharedBufferToScript
• ICoreWebView2ExperimentalFrame4::PostSharedBufferToScript

Run JavaScript via JavaScript parameter in current document

Added support for running JavaScript code from the JavaScript parameter in the current top-level document.

.NET/C#

• CoreWebView2ScriptException Class
  • ColumnNumber
  • LineNumber
  • Message
  • Name
  • ToJson

WinRT/C#

• CoreWebView2ScriptException Class
  • ColumnNumber
  • LineNumber
  • Message
  • Name
  • ToJson

Win32/C++

• ICoreWebView2ExperimentalScriptException
  • get_ColumnNumber
  • get_LineNumber
  • get_Message
  • get_Name
  • get_ToJson

Bug fixes

• Fixed a bug in which the custom header title in print settings could be wrong. (Issue #2093)

• Fixed a bug in which the default footer URI in print settings is missing. (Issue #2851)

• Fixed an AddHostObjectToScript bug in which, when JavaScript calls an async method and then a synchronous method, the async method call might fail.

See also

• Runtime 109.0.1518.46 (Jan. 17, 2023)
• Release notes for WebView2
  • Release notes for the WebView2 Runtime
  • Release notes for WebView2 SDKs