migrate-dotnet8-to-dotnet9

Maintained by dotnet

Migrate a .NET 8 project to .NET 9 and resolve all breaking changes. USE FOR: upgrading TargetFramework from net8.0 to net9.0, fixing build errors after updating the .NET 9 SDK, resolving behavioral changes in .NET 9 / C# 13 / ASP.NET Core 9 / EF Core 9, replacing BinaryFormatter (now always throws), resolving SYSLIB00

Current version: Unknown
License: MIT
Network access: Unknown / not assessed
Review status: Not verified

Problem it solves

This catalog entry helps users find and evaluate migrate-dotnet8-to-dotnet9 for the task described by its available catalog summary. Confirm the exact scope in the linked original source when one is available.

When to use it

Consider migrate-dotnet8-to-dotnet9 when its available catalog summary matches the task at hand. When available, review the linked original source before use for precise instructions, requirements, and limitations.

migrate-dotnet8-to-dotnet9 is listed as an agent skill in RefHub. The listed maintainer is dotnet. The available catalog summary is: Migrate a .NET 8 project to .NET 9 and resolve all breaking changes. USE FOR: upgrading TargetFramework from net8.0 to net9.0, fixing build errors after updating the .NET 9 SDK, resolving behavioral changes in .NET 9 / C# 13 / ASP.NET Core 9 / EF Core 9, replacing BinaryFormatter (now always throws), resolving SYSLIB00 When available, review the linked original source for exact usage instructions, required tools, and limitations.

Installation and updates

These commands are displayed for copying only and are never executed on RefHub servers. Review the linked upstream source before running them.

Install command

npx skills add dotnet/skills --skill migrate-dotnet8-to-dotnet9 -y

Agent compatibility

No compatibility test has been recorded

Do not assume agent compatibility until documented test evidence is available.