.NET 10 Preview 6 (#9830)

* .NET 10 Preview 6

* .NET 10 P6 - FSharp (#9946)

* Update fsharp preview6 release notes with manual changes.

* udpate for release

* .NET 10 P6 - CSharp (#9943)

* Add period to last sentence in csharp preview6 release notes.

* update C#

* .NET 10 P6 - EFCore (#9945)

* Add period to last sentence in efcore preview6 release notes.

* EF 10.0-preview.6 release notes

* Added small improvements

---------

Co-authored-by: Shay Rojansky <[email protected]>

* .NET 10 P6 - WPF (#9952)

* Add period to last sentence in aspnetcore preview6 release notes.

* Add period to last sentence in containers preview6 release notes.

* Add period to last sentence in csharp preview6 release notes.

* Add period to last sentence in dotnetmaui preview6 release notes.

* Add period to last sentence in efcore preview6 release notes.

* Add period to last sentence in libraries preview6 release notes.

* Add period to last sentence in runtime preview6 release notes.

* Add period to last sentence in sdk preview6 release notes.

* Add period to last sentence in visualbasic preview6 release notes.

* Add period to last sentence in winforms preview6 release notes.

* Add period to last sentence in wpf preview6 release notes.

* Revert all changes except wpf.md in dotnet10-p6-wpf branch.

* Add WPF info

* update feature list

---------

Co-authored-by: Andy (Steve) De George <[email protected]>

* .NET 10 P6 - WinForms (#9951)

* Add period to last sentence in winforms preview6 release notes.

* Update WinForms for Preview 6

* Apply suggestions from code review

Co-authored-by: Klaus Löffelmann <[email protected]>

---------

Co-authored-by: Merrie McGaw <[email protected]>
Co-authored-by: Klaus Löffelmann <[email protected]>

* .NET 10 P6 - SDK (#9949)

* Add period to last sentence in sdk preview6 release notes.

* CLI notes around tools and such

* Add release notes for preview.6 run-file changes

---------

Co-authored-by: Chet Husk <[email protected]>
Co-authored-by: Damian Edwards <[email protected]>

* .NET 10 P6 - Containers (#9942)

* Add period to last sentence in containers preview6 release notes.

* update to none udpates.

* .NET 10 P6 - Runtime (#9948)

* Add period to last sentence in runtime preview6 release notes.

* Add JIT notes

---------

Co-authored-by: Aman Khalid (from Dev Box) <[email protected]>

* .NET 10 P6 - .NET MAUI (#9944)

* Add period to last sentence in dotnetmaui preview6 release notes.

* Update dotnetmaui.md

* adding more details for android

* minor updates to iOS note

* Update release-notes/10.0/preview/preview6/dotnetmaui.md

Co-authored-by: Jonathan Peppers <[email protected]>

* Update release-notes/10.0/preview/preview6/dotnetmaui.md

Co-authored-by: Jonathan Peppers <[email protected]>

* Update release-notes/10.0/preview/preview6/dotnetmaui.md

Co-authored-by: Jonathan Peppers <[email protected]>

* added contributors from android and iOS repos

---------

Co-authored-by: David Ortinau <[email protected]>
Co-authored-by: Jonathan Peppers <[email protected]>

* .NET 10 P6 - Libraries (#9947)

* Add period to last sentence in libraries preview6 release notes.

* Update libraries.md

* Update libraries.md

Co-authored-by: Weihan Li <[email protected]>

* Update libraries.md

fix link

---------

Co-authored-by: Pranav Senthilnathan <[email protected]>
Co-authored-by: Weihan Li <[email protected]>

* Add ASP.NET Core release notes for .NET 10 Preview 6 (#9965)

* update linter

* revert

* Fix link to installers and binaries for .NET 10 Preview 6 in README.md

* update permissions?

* Update release notes for .NET 10 Preview 6: enhance dark mode support in Windows Forms, improve JSON property handling in libraries, and refine CLI tool execution options in SDK.

* Enhance release notes for .NET 10 Preview 6: update dark mode support in Windows Forms, improve formatting in EF Core and SDK documentation, and clean up whitespace in various markdown files.

* cleanup

* add p6

* lint

* try this

* Update releases.md

* Update README.md

* Update release-notes/README.md

* Update releases-index.json

* Update install-linux.md

* Update install-macos.md

* Update install-windows.md

* Update releases.json

* Update 10.0.0-preview.6.md

* Added release.json

* Mix lint errors in release.json for preview 6 release

* Fix jsonlint errors

* Fix jsonlint errors

---------

Co-authored-by: Shay Rojansky <[email protected]>
Co-authored-by: Andy (Steve) De George <[email protected]>
Co-authored-by: Merrie McGaw <[email protected]>
Co-authored-by: Klaus Löffelmann <[email protected]>
Co-authored-by: Chet Husk <[email protected]>
Co-authored-by: Damian Edwards <[email protected]>
Co-authored-by: Aman Khalid (from Dev Box) <[email protected]>
Co-authored-by: David Ortinau <[email protected]>
Co-authored-by: Jonathan Peppers <[email protected]>
Co-authored-by: Pranav Senthilnathan <[email protected]>
Co-authored-by: Weihan Li <[email protected]>
Co-authored-by: Copilot <[email protected]>
Co-authored-by: victorisr <[email protected]>
Co-authored-by: Jon Galloway <[email protected]>

Author: 15 people

.github/workflows/super-linter.yml

@@ -14,6 +14,8 @@ on:
 
 permissions:
   contents: read
+  packages: read
+  statuses: write
 
 jobs:
   run-lint:
@@ -31,5 +33,6 @@ jobs:
           VALIDATE_ALL_CODEBASE: false
           VALIDATE_JSCPD: false
           VALIDATE_NATURAL_LANGUAGE: false
+          VALIDATE_MARKDOWN_PRETTIER: false
           DEFAULT_BRANCH: main
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

README.md

@@ -8,13 +8,13 @@ Welcome to the home of .NET [release notes](./release-notes/README.md) and [news
 
 |  Version  | Release Date | Release type |Support phase | Latest Patch Version | End of Support |
 | :-- | :-- | :-- | :-- | :-- | :-- |
-| [.NET 10.0](release-notes/10.0/README.md) | November 11, 2025 | [LTS][policies] | Preview | [10.0.0-preview.5][10.0.0-preview.5] | TBD |
+| [.NET 10.0](release-notes/10.0/README.md) | November 11, 2025 | [LTS][policies] | Preview | [10.0.0-preview.6][10.0.0-preview.6] | TBD |
 | [.NET 9.0](release-notes/9.0/README.md) | [November 12, 2024](https://devblogs.microsoft.com/dotnet/announcing-dotnet-9/) | [STS][policies] | Active | [9.0.7][9.0.7] | May 12, 2026 |
 | [.NET 8.0](release-notes/8.0/README.md) | [November 14, 2023](https://devblogs.microsoft.com/dotnet/announcing-dotnet-8/) | [LTS][policies] | Active | [8.0.18][8.0.18] | November 10, 2026 |
 
 [9.0.7]: release-notes/9.0/9.0.7/9.0.7.md
 [8.0.18]: release-notes/8.0/8.0.18/8.0.18.md
-[10.0.0-preview.5]: release-notes/10.0/preview/preview5/10.0.0-preview.5.md
+[10.0.0-preview.6]: release-notes/10.0/preview/preview6/10.0.0-preview.6.md
 [policies]: release-policies.md
 
 * [Release notes](./release-notes/README.md)

release-notes/10.0/README.md

@@ -16,6 +16,7 @@ It is currently in development and not supported. .NET 10 is expected to be rele
 
 | Date | Release |
 | :-- | :-- |
+| 2025/07/15 | [10.0.0 Preview 6](preview/preview6/README.md) |
 | 2025/06/10 | [10.0.0 Preview 5](preview/preview5/README.md) |
 | 2025/05/10 | [10.0.0 Preview 4](preview/preview4/README.md) |
 | 2025/04/10 | [10.0.0 Preview 3](preview/preview3/README.md) |
@@ -25,6 +26,7 @@ It is currently in development and not supported. .NET 10 is expected to be rele
 ### .NET Libraries
 
 - [What's new in .NET 10 libraries](https://learn.microsoft.com/dotnet/core/whats-new/dotnet-10/overview#net-libraries)
+- [Preview 6](preview/preview6/libraries.md)
 - [Preview 5](preview/preview5/libraries.md)
 - [Preview 4](preview/preview4/libraries.md)
 - [Preview 3](preview/preview3/libraries.md)
@@ -34,6 +36,7 @@ It is currently in development and not supported. .NET 10 is expected to be rele
 ### .NET Runtime
 
 - [What's new in the .NET 10 runtime](https://learn.microsoft.com/dotnet/core/whats-new/dotnet-10/runtime)
+- [Preview 6](preview/preview6/runtime.md)
 - [Preview 5](preview/preview5/runtime.md)
 - [Preview 4](preview/preview4/runtime.md)
 - [Preview 3](preview/preview3/runtime.md)
@@ -43,6 +46,7 @@ It is currently in development and not supported. .NET 10 is expected to be rele
 ### .NET SDK
 
 - [What's new in the SDK for .NET 10](https://learn.microsoft.com/dotnet/core/whats-new/dotnet-10/sdk)
+- [Preview 6](preview/preview6/sdk.md)
 - [Preview 5](preview/preview5/sdk.md)
 - [Preview 4](preview/preview4/sdk.md)
 - [Preview 3](preview/preview3/sdk.md)
@@ -52,6 +56,7 @@ It is currently in development and not supported. .NET 10 is expected to be rele
 ### C\#
 
 - [What's new in C# 14](https://learn.microsoft.com/dotnet/csharp/whats-new/csharp-14)
+- [Preview 6](preview/preview6/csharp.md)
 - [Preview 5](preview/preview5/csharp.md)
 - [Preview 4](preview/preview4/csharp.md)
 - [Preview 3](preview/preview3/csharp.md)
@@ -61,6 +66,7 @@ It is currently in development and not supported. .NET 10 is expected to be rele
 ### ASP.NET Core
 
 - [What's new in ASP.NET Core 10.0](https://learn.microsoft.com/aspnet/core/release-notes/aspnetcore-10.0)
+- [Preview 6](preview/preview6/aspnetcore.md)
 - [Preview 5](preview/preview5/aspnetcore.md)
 - [Preview 4](preview/preview4/aspnetcore.md)
 - [Preview 3](preview/preview3/aspnetcore.md)
@@ -70,6 +76,7 @@ It is currently in development and not supported. .NET 10 is expected to be rele
 ### .NET MAUI
 
 - [What's new in .NET MAUI for .NET 10](https://learn.microsoft.com/dotnet/maui/whats-new/dotnet-10)
+- [Preview 6](preview/preview6/dotnetmaui.md)
 - [Preview 5](preview/preview5/dotnetmaui.md)
 - [Preview 4](preview/preview4/dotnetmaui.md)
 - [Preview 3](preview/preview3/dotnetmaui.md)
@@ -79,6 +86,7 @@ It is currently in development and not supported. .NET 10 is expected to be rele
 ### Entity Framework Core
 
 - [What's new in EF Core 10](https://learn.microsoft.com/ef/core/what-is-new/ef-core-10.0/whatsnew)
+- [Preview 6](preview/preview6/efcore.md)
 - [Preview 5](preview/preview5/efcore.md)
 - [Preview 4](preview/preview4/efcore.md)
 - [Preview 3](preview/preview3/efcore.md)
@@ -88,6 +96,7 @@ It is currently in development and not supported. .NET 10 is expected to be rele
 ### Windows Forms
 
 - [What's new in Windows Forms for .NET 10](https://learn.microsoft.com/dotnet/desktop/winforms/whats-new/net100)
+- [Preview 6](preview/preview6/winforms.md)
 - [Preview 5](preview/preview5/winforms.md)
 - [Preview 4](preview/preview4/winforms.md)
 - [Preview 3](preview/preview3/winforms.md)
@@ -97,8 +106,9 @@ It is currently in development and not supported. .NET 10 is expected to be rele
 ### Windows Presentation Foundation (WPF)
 
 - [What's new in WPF for .NET 10](https://learn.microsoft.com/dotnet/desktop/wpf/whats-new/net100)
+- [Preview 6](preview/preview6/wpf.md)
 - [Preview 5](preview/preview5/wpf.md)
 - [Preview 4](preview/preview4/wpf.md)
 - [Preview 3](preview/preview3/wpf.md)
 - [Preview 2](preview/preview2/wpf.md)
-- [Preview 1](preview/preview1/wpf.md)
+- [Preview 1](preview/preview1/wpf.md)

release-notes/10.0/install-linux.md

@@ -30,16 +30,16 @@ You can install .NET with a binary archive. This option is required if you want
 The following workflow demonstrates downloading, unpacking, configuring, and running the .NET SDK from the command line. You may choose to do some of these tasks via the browser and functionality provided by your operating system.
 
 ```bash
-~# curl -Lo dotnet.tar.gz https://builds.dotnet.microsoft.com/dotnet/Sdk/10.0.100-preview.5.25277.114/dotnet-sdk-10.0.100-preview.5.25277.114-linux-x64.tar.gz
+~# curl -Lo dotnet.tar.gz https://builds.dotnet.microsoft.com/dotnet/Sdk/10.0.100-preview.6.25358.103/dotnet-sdk-10.0.100-preview.6.25358.103-linux-x64.tar.gz
 ~# mkdir dotnet
 ~# tar -C dotnet -xf dotnet.tar.gz
 ~# rm dotnet.tar.gz
 ~# export DOTNET_ROOT=~/dotnet
 ~# export PATH=$PATH:~/dotnet
 ~# dotnet --version
-10.0.100-preview.5.25277.114
+10.0.100-preview.6.25358.103
 ```
 
 The `DOTNET_ROOT` environment variable is required to launch an application with their executables (like `myapp.exe`). The executables look for this environment variable to find the runtime if it isn't installed in its regular location. The `PATH` environment variable must be updated if you want to use `dotnet` without absolute paths to its location. Setting both of these environment variables is optional.
 
-You can add your .NET install location permanently to your path if you'd like.
+You can add your .NET install location permanently to your path if you'd like.

release-notes/10.0/install-macos.md

@@ -34,16 +34,16 @@ You can install .NET with a binary archive. This option is required if you want
 The following workflow demonstrates downloading, unpacking, configuring, and running the .NET SDK from the command line. You may choose to do some of these tasks via the browser and functionality provided by your operating system.
 
 ```bash
-~# curl -Lo dotnet.tar.gz https://builds.dotnet.microsoft.com/dotnet/Sdk/10.0.100-preview.5.25277.114/dotnet-sdk-10.0.100-preview.5.25277.114-osx-x64.tar.gz
+~# curl -Lo dotnet.tar.gz https://builds.dotnet.microsoft.com/dotnet/Sdk/10.0.100-preview.6.25358.103/dotnet-sdk-10.0.100-preview.6.25358.103-osx-x64.tar.gz
 ~# mkdir dotnet
 ~# tar -C dotnet -xf dotnet.tar.gz
 ~# rm dotnet.tar.gz
 ~# export DOTNET_ROOT=~/dotnet
 ~# export PATH=$PATH:~/dotnet
 ~# dotnet --version
-10.0.100-preview.5.25277.114
+10.0.100-preview.6.25358.103
 ```
 
 The `DOTNET_ROOT` environment variable is required to launch an application with their executables (like `myapp.exe`). The executables look for this environment variable to find the runtime if it isn't installed in its regular location. The `PATH` environment variable must be updated if you want to use `dotnet` without absolute paths to its location. Setting both of these environment variables is optional.
 
-You can add your .NET install location permanently to your path if you'd like.
+You can add your .NET install location permanently to your path if you'd like.

release-notes/10.0/install-windows.md

@@ -50,15 +50,15 @@ You can install .NET with a binary archive. This option is required if you want
 The following workflow demonstrates downloading, unpacking, configuring, and running the .NET SDK from the command line. You may choose to do some of these tasks via the browser and functionality provided by your operating system.
 
 ```console
-C:\>curl -Lo dotnet.zip https://builds.dotnet.microsoft.com/dotnet/Sdk/10.0.100-preview.5.25277.114/dotnet-sdk-10.0.100-preview.5.25277.114-win-x64.exe
+C:\>curl -Lo dotnet.zip https://builds.dotnet.microsoft.com/dotnet/Sdk/10.0.100-preview.6.25358.103/dotnet-sdk-10.0.100-preview.6.25358.103-win-x64.exe
 C:\>tar -C dotnet -xf dotnet.zip
 C:\>del dotnet.zip
 C:\>set DOTNET_ROOT=C:\dotnet
 C:\>set PATH=%PATH%;C:\dotnet
 C:\>dotnet --version
-10.0.100-preview.5.25277.114
+10.0.100-preview.6.25358.103
 ```
 
 The `DOTNET_ROOT` environment variable is required to launch an application with their executables (like `myapp.exe`). The executables look for this environment variable to find the runtime if it isn't installed in its regular location. The `PATH` environment variable must be updated if you want to use `dotnet` without absolute paths to its location. Setting both of these environment variables is optional.
 
-You can add your .NET install location permanently to your path if you'd like.
+You can add your .NET install location permanently to your path if you'd like.