Migrating from ASP.NET Core 5.0 to .NET Core 6.0 Print

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Legacy Article Notice: .NET 5 reached End of Life in May 2022 and .NET 6 reached End of Life in November 2024. For current projects, please migrate to .NET 8 LTS or .NET 10 LTS.

Recommended: Migrate Directly to .NET 8 or .NET 10

If you are on .NET 5 or .NET 6, we recommend skipping intermediate versions and migrating directly to a current LTS release:

  • .NET 8 LTS - Supported until November 2026
  • .NET 10 LTS - Supported until November 2028

See our migration guides:

  • Migrating from .NET 7 to .NET 8
  • Migrating from .NET 8 to .NET 9
  • Migrating from .NET 9 to .NET 10

Historical Reference: .NET 5 to .NET 6 Migration

This information is preserved for reference only.

Key Changes in .NET 6

  • Minimal hosting model introduced (single Program.cs file)
  • Hot Reload support
  • Blazor improvements
  • LTS release (though now EOL)

Migration Steps (Historical)

  1. Update TargetFramework from net5.0 to net6.0
  2. Update all NuGet packages to 6.x versions
  3. Optionally migrate to minimal hosting model
  4. Update any deprecated API calls
  5. Test thoroughly before deploying

Note: The minimal hosting model is optional in .NET 6 but becomes the default pattern in later versions.


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