Release Notes
Install Instructions

Repos

• dotnet

What's Changed

• Change support phase from 'preview' to 'go-live' by @mairaw in #10080
• Fixed Fsharp Package version error by @victorisr in #10079
• Update latest runtime and SDK versions for 10.0 RC 1 in releases index by @victorisr in #10083
• Visual Basic Version Update RC 1 by @victorisr in #10084
• Add dotnet.config to known RC1 issues by @Youssef1313 in #10073
• fix hashes by @ondrejsmid in #10086
• Fix macOS RID in SDK release notes for 10.0-preview.7 by @martincostello in #10085
• Update release notes URL for version 10.0.0-rc.1 by @rbhanda in #10087
• Change EOL date for .NET 9 by @mairaw in #10105
• Update EOL date for .NET 9 in README.md by @xtqqczze in #10108
• Add security group information by @richlander in #10118
• dotnet Patch Tuesday 10-14 Release note updates for 8.0, 9.0 & 10.0 RC2 by @victorisr in #10117
• Update releases.json by @rbhanda in #10121
• Fix linter errors by @richlander in #10119

Full Changelog: v10.0.0-rc.1...v10.0.0-rc.2

Release Notes
Install Instructions

Repos

• Aspnetcore
• EF Core
• Runtime
• SDK
• SDK
• Templating
• Templating
• Winforms
• WindowsDesktop
• WPF

What's Changed

• Change support phase from 'preview' to 'go-live' by @mairaw in #10080
• Fixed Fsharp Package version error by @victorisr in #10079
• Update latest runtime and SDK versions for 10.0 RC 1 in releases index by @victorisr in #10083
• Visual Basic Version Update RC 1 by @victorisr in #10084
• Add dotnet.config to known RC1 issues by @Youssef1313 in #10073
• fix hashes by @ondrejsmid in #10086
• Fix macOS RID in SDK release notes for 10.0-preview.7 by @martincostello in #10085
• Update release notes URL for version 10.0.0-rc.1 by @rbhanda in #10087
• Change EOL date for .NET 9 by @mairaw in #10105
• Update EOL date for .NET 9 in README.md by @xtqqczze in #10108
• Add security group information by @richlander in #10118
• dotnet Patch Tuesday 10-14 Release note updates for 8.0, 9.0 & 10.0 RC2 by @victorisr in #10117
• Update releases.json by @rbhanda in #10121
• Fix linter errors by @richlander in #10119

Full Changelog: v8.0.20...v9.0.10

Release Notes
Install Instructions

Repos

• Aspnetcore
• EF Core
• Installer
• Installer
• Installer
• Runtime
• SDK
• SDK
• SDK
• Templating
• Templating
• Templating
• Winforms
• WindowsDesktop
• WPF

What's Changed

• Change support phase from 'preview' to 'go-live' by @mairaw in #10080
• Fixed Fsharp Package version error by @victorisr in #10079
• Update latest runtime and SDK versions for 10.0 RC 1 in releases index by @victorisr in #10083
• Visual Basic Version Update RC 1 by @victorisr in #10084
• Add dotnet.config to known RC1 issues by @Youssef1313 in #10073
• fix hashes by @ondrejsmid in #10086
• Fix macOS RID in SDK release notes for 10.0-preview.7 by @martincostello in #10085
• Update release notes URL for version 10.0.0-rc.1 by @rbhanda in #10087
• Change EOL date for .NET 9 by @mairaw in #10105
• Update EOL date for .NET 9 in README.md by @xtqqczze in #10108
• Add security group information by @richlander in #10118
• dotnet Patch Tuesday 10-14 Release note updates for 8.0, 9.0 & 10.0 RC2 by @victorisr in #10117
• Update releases.json by @rbhanda in #10121
• Fix linter errors by @richlander in #10119

Full Changelog: v8.0.20...v8.0.21

Release Notes
Install Instructions

Repos

• dotnet

What's Changed

• Update 10 P7 releases.json by @victorisr in #10032
• Fix Super-Linter to run on pull requests to all branches by @Copilot in #10035
• Update releases.json for 10.0 correcting release date by @rbhanda in #10039
• Releases json updates fix by @victorisr in #10038
• Clean up ASP.NET Core feature list for .NET 10 Preview 7 by @danroth27 in #10041
• Add comprehensive GitHub Copilot instructions for dotnet/core repository by @Copilot in #10029
• API Diff .NET 10.0 Preview 7 -> RC1 by @ericstj in #10063

Full Changelog: v10.0.0-preview.7...v10.0.0-rc.1

Release Notes
Install Instructions

Repos

• Aspnetcore
• EF Core
• Runtime
• SDK
• SDK
• Templating
• Templating
• Winforms
• WindowsDesktop
• WPF
• MsBuild

What's Changed

• Update Placeholder Links by @victorisr in #10018
• Update release.json by @victorisr in #10020
• Improve codefence in JSON snippet by @martincostello in #9973
• Remove references to Debian 13 Trixie container images by @lbussell in #10025
• Users/merlinbot/1es pt auto baselining pr by @mairaw in #9992
• Add release notes for .NET 10 Preview 7 across various components by @jamesmontemagno in #10006
• Fix link by @martincostello in #10031
• Update 10 P7 releases.json by @victorisr in #10032
• Fix Super-Linter to run on pull requests to all branches by @Copilot in #10035
• Update releases.json for 10.0 correcting release date by @rbhanda in #10039
• Releases json updates fix by @victorisr in #10038
• Clean up ASP.NET Core feature list for .NET 10 Preview 7 by @danroth27 in #10041
• Add comprehensive GitHub Copilot instructions for dotnet/core repository by @Copilot in #10029
• API Diff .NET 10.0 Preview 7 -> RC1 by @ericstj in #10063

Full Changelog: v9.0.8...v9.0.9

Release Notes
Install Instructions

Repos

• Aspnetcore
• EF Core
• Installer
• Installer
• Installer
• Runtime
• SDK
• SDK
• SDK
• Templating
• Templating
• Templating
• Winforms
• WindowsDesktop
• WPF
• MsBuild

What's Changed

• Update Placeholder Links by @victorisr in #10018
• Update release.json by @victorisr in #10020
• Improve codefence in JSON snippet by @martincostello in #9973
• Remove references to Debian 13 Trixie container images by @lbussell in #10025
• Users/merlinbot/1es pt auto baselining pr by @mairaw in #9992
• Add release notes for .NET 10 Preview 7 across various components by @jamesmontemagno in #10006
• Fix link by @martincostello in #10031
• Update 10 P7 releases.json by @victorisr in #10032
• Fix Super-Linter to run on pull requests to all branches by @Copilot in #10035
• Update releases.json for 10.0 correcting release date by @rbhanda in #10039
• Releases json updates fix by @victorisr in #10038
• Clean up ASP.NET Core feature list for .NET 10 Preview 7 by @danroth27 in #10041
• Add comprehensive GitHub Copilot instructions for dotnet/core repository by @Copilot in #10029
• API Diff .NET 10.0 Preview 7 -> RC1 by @ericstj in #10063

Full Changelog: v8.0.19...v8.0.20

Release Notes
Install Instructions

Repos

• dotnet

What's Changed

• Fix typo in sdk.md by @normj in #9977
• API Diff between .NET 10.0 Preview 5 and Preview 6 by @ericstj in #9976
• Fix file-based app headings in preview.6 release notes by @DamianEdwards in #9975
• July2025 sdk only by @victorisr in #9978
• Update releases-index.json by @victorisr in #9979
• Remove note about Current by @richlander in #9982
• Update 9.0.303.md by @victorisr in #9983
• Fix APIDiff to include NETCore references for AspNetCore and WindowsDesktop by @Copilot in #9989
• Fix Preview 6 release date by @usta in #9984
• fix releases index channel 2.2 security by @ondrejsmid in #10009
• Regenerate diffs for 10.0 previews 1-5 by @ericstj in #10013
• Add API Diff for Preview 7 by @ericstj in #10014
• .NET Aug2025 8A servicing release Updates by @victorisr in #10016
• Update Placeholder Links by @victorisr in #10018
• Update release.json by @victorisr in #10020
• Improve codefence in JSON snippet by @martincostello in #9973
• Remove references to Debian 13 Trixie container images by @lbussell in #10025
• Users/merlinbot/1es pt auto baselining pr by @mairaw in #9992
• Add release notes for .NET 10 Preview 7 across various components by @jamesmontemagno in #10006
• Fix link by @martincostello in #10031

New Contributors

• @normj made their first contribution in #9977
• @ondrejsmid made their first contribution in #10009

Full Changelog: v10.0.0-preview.6...v10.0.0-preview.7

Release Notes
Install Instructions

Repos

• Runtime

What's Changed

• .NET 10 Preview 6 by @jamesmontemagno in #9830
• Fix typo in sdk.md by @normj in #9977
• API Diff between .NET 10.0 Preview 5 and Preview 6 by @ericstj in #9976
• Fix file-based app headings in preview.6 release notes by @DamianEdwards in #9975
• July2025 sdk only by @victorisr in #9978
• Update releases-index.json by @victorisr in #9979
• Remove note about Current by @richlander in #9982
• Update 9.0.303.md by @victorisr in #9983
• Fix APIDiff to include NETCore references for AspNetCore and WindowsDesktop by @Copilot in #9989
• Fix Preview 6 release date by @usta in #9984
• fix releases index channel 2.2 security by @ondrejsmid in #10009
• Regenerate diffs for 10.0 previews 1-5 by @ericstj in #10013
• Add API Diff for Preview 7 by @ericstj in #10014
• .NET Aug2025 8A servicing release Updates by @victorisr in #10016

New Contributors

• @normj made their first contribution in #9977
• @ondrejsmid made their first contribution in #10009

Full Changelog: v9.0.7...v9.0.8

Release Notes
Install Instructions

Repos

• Runtime

What's Changed

• .NET 10 Preview 6 by @jamesmontemagno in #9830
• Fix typo in sdk.md by @normj in #9977
• API Diff between .NET 10.0 Preview 5 and Preview 6 by @ericstj in #9976
• Fix file-based app headings in preview.6 release notes by @DamianEdwards in #9975
• July2025 sdk only by @victorisr in #9978
• Update releases-index.json by @victorisr in #9979
• Remove note about Current by @richlander in #9982
• Update 9.0.303.md by @victorisr in #9983
• Fix APIDiff to include NETCore references for AspNetCore and WindowsDesktop by @Copilot in #9989
• Fix Preview 6 release date by @usta in #9984
• fix releases index channel 2.2 security by @ondrejsmid in #10009
• Regenerate diffs for 10.0 previews 1-5 by @ericstj in #10013
• Add API Diff for Preview 7 by @ericstj in #10014
• .NET Aug2025 8A servicing release Updates by @victorisr in #10016

New Contributors

• @normj made their first contribution in #9977
• @ondrejsmid made their first contribution in #10009

Full Changelog: v8.0.18...v8.0.19

Release Notes
Install Instructions

Repos

• dotnet

What's Changed

• Placeholder Links Updated by @victorisr in #9932
• Update asp.net breaking change by @rbhanda in #9934
• Update known-issues.md by @rbhanda in #9935
• Update sdk.md by @jamesmontemagno in #9931
• docs(Net9-preview): Correct Year number in the net9 preview release notes
  by @DevTKSS in #9940
• Onboard the dotnet/issue-labeler for 'area-' label prediction on issues by @jeffhandley in #9889
• Fix typo in Preview 5 runtime notes by @amanasifkhalid in #9954
• Updates to release.json Files by @victorisr in #9961
• Artifacts for July 2025 Dotnet 8 & 9 Servicing Release by @victorisr in #9966
• Update known-issues.md 9.0 by @rbhanda in #9968
• Update Placeholders by @victorisr in #9969
• .NET 10 Preview 6 by @jamesmontemagno in #9830

New Contributors

• @DevTKSS made their first contribution in #9940

Full Changelog: v10.0.0-preview.5...v10.0.0-preview.6