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* Add RC1 release notes template files * Add missing aspnetcore.md template file * Update RC1 release notes to proper template format and update prompt file * Add release notes for .NET 10 RC 1 across various components * Fix markdownlint issues in createprs-for-preview.prompt.md * Update createprs-for-preview prompt with detailed instructions for handling "TBD" placeholders and adding a master consolidation PR process * Servicing Release markdowns and json Updates for 10.0 RC1 * Added ./rc1/README.md * Fix formatting of version-aspnetcoremodule entries and ensure newline at end of file in release notes JSON files * Update csharp for RC 1 (#10051) * Update csharp for RC 1 * Update C# release notes for .NET 10 RC 1 (no notable features) * Update wpf for RC 1 (#10060) * Update wpf for RC 1 * Update WPF release notes for .NET 10 RC 1 to clarify absence of new features * Update containers for RC 1 (#10050) * Update containers for RC 1 * Clarify that the .NET 10 RC 1 release does not include new Container image features in the release notes. * Update runtime for RC 1 (#10056) * Update runtime for RC 1 * Update runtime release notes for .NET 10 RC 1 * Apply suggestions from code review Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * Revise SDK release notes for .NET 10 RC 1 to emphasize quality improvements and encourage developer feedback * Update sdk for RC 1 (#10057) * Clarify that .NET 10 RC 1 does not introduce new Visual Basic features and direct users to relevant documentation * Update aspnetcore for RC 1 (#10049) * Update fsharp for RC 1 (#10054) * Update fsharp for RC 1 * Fix fsharp: replace TBD with content * Update F# release notes for .NET 10 RC 1 to clarify absence of new features --------- Co-authored-by: James Montemagno <james.montemagno@gmail.com> * Update dotnetmaui for RC 1 (#10052) * Update dotnetmaui for RC 1 * Fix duplicate content in dotnetmaui * look! We have release notes added maui and android. Need yet macios and contributors list. * Apply suggestions from code review * Update release-notes/10.0/preview/rc1/dotnetmaui.md Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * Update release-notes/10.0/preview/rc1/dotnetmaui.md Co-authored-by: Jon Galloway <jongalloway@gmail.com> * Update release-notes/10.0/preview/rc1/dotnetmaui.md Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * add images * add bullet for experimental * update lint --------- Co-authored-by: David Ortinau <david.ortinau@microsoft.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: James Montemagno <james.montemagno@gmail.com> * Update libraries for RC 1 (#10055) * Update libraries for RC 1 * Fix libraries: replace TBD with content * Add PQC notes * Fix trailing whitespace * Update release-notes/10.0/preview/rc1/libraries.md Co-authored-by: Tanner Gooding <tagoo@outlook.com> * updates * update link * updates --------- Co-authored-by: Jeremy Barton <jbarton@microsoft.com> Co-authored-by: James Montemagno <james.montemagno@gmail.com> Co-authored-by: Tanner Gooding <tagoo@outlook.com> * Update winforms for RC 1 (#10059) * Update winforms for RC 1 * Update WinForms release notes for .NET 10 RC1 Thanks @KlausLoeffelmann for the content! --------- Co-authored-by: Merrie McGaw <mmcgaw@microsoft.com> * Update efcore for RC 1 (#10053) * Update efcore for RC 1 * Fix efcore: replace TBD with content * EF Core release notes for rc.1 --------- Co-authored-by: Shay Rojansky <roji@roji.org> * markdownlint fixes for WinForms RC1 release notes * Update Language Version in releases.json * Update release.json for Language version support * updates * filled out maui contributor GitHub handles * Revise Visual Studio compatibility information --------- Co-authored-by: victorisr <victorisr@microsoft.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: James Montemagno <james.montemagno@gmail.com> Co-authored-by: David Ortinau <david.ortinau@microsoft.com> Co-authored-by: Jeremy Barton <jbarton@microsoft.com> Co-authored-by: Tanner Gooding <tagoo@outlook.com> Co-authored-by: Merrie McGaw <mmcgaw@microsoft.com> Co-authored-by: Shay Rojansky <roji@roji.org> Co-authored-by: Rahul Bhandari <rbhanda@microsoft.com>
.NET Release Notes
Releases under active support or development:
| Version | Release Date | Release type | Support phase | Latest Patch Version | End of Support |
|---|---|---|---|---|---|
| .NET 10.0 | November 11, 2025 | LTS | Preview | 10.0.0-rc.1 | TBD |
| .NET 9.0 | November 12, 2024 | STS | Active | 9.0.8 | May 12, 2026 |
| .NET 8.0 | November 14, 2023 | LTS | Active | 8.0.19 | November 10, 2026 |
You can find release notes for all releases in the release-notes directory, in markdown and JSON formats. This content is licensed for broad use.
Monthly patch release notes
Patch releases are published monthly, often including fixes for vulnerabilities (AKA CVEs) that are disclosed at the same time.
Release notes include:
- Links to binaries
- Notable changes, including CVEs
- Compatibility information
- Updated packages
Example markdown files:
Example JSON files:
releases-index.json and all the files it references are stored in blob storage and in GitHub. We use GitHub for easy discoverability of the files and Azure Blob Storage as our production platform.
It is straightforward to programmatically transform the blob storage links to raw GitHub links should that be desired.
Note: monthly previews are published in the same way, often on the same day. They are not supported so do not include CVE information. However, Release Candidate releases follow our "Go Live" policy and may include CVE information.
Monthly preview release notes
We typically release a preview for the next major version each month. These include detailed feature information.
Examples:
This content is used as source material for What's New pages in official Microsoft docs.
Preview release notes are always in a preview folder. This approach was adopted so that preview releases do not distract from stable releases once preview releases are no longer relevant.
Supported OS
Supported OS information is published for each major release. This information indicates to users which OSes they can expect an app (or the .NET SDK) to run on for a given .NET version. It also indicates which OSes are supported and when they transitioned to EOL status.
Examples:
OS packages
OS package information is published for each major release. This information indicates which packages must be installed on a given distro for a .NET app (or the .NET SDK) to run. .NET packages are available for multiple distros, which automatically install all required packages.
Examples: