What’s new in .NET 10

ByMarius Bughiu December 1, 2024April 12, 2025

.NET 10 will be released in November 2025. .NET 10 is a Long Term Support (LTS) version, which will receive free support and patches for 3 years from the release date, up until November 2028.

.NET 10 will be released together with C# 14. See what’s new in C# 14.

There are several new features and improvements in the .NET 10 runtime:

Array interface method devirtualization & array enumeration de-abstraction
Inlining of late devirtualized methods
Devirtualization based on inlining observations
Stack allocation of arrays of value types
Improved code layout to avoit jump instructions and to improve likelihood of sharing an instruction cache line

.NET 10 is currently in preview:

Preview 1 (25 Feb 2025)
Preview 2 (18 Mar 2025)
Preview 3 (10 Apr 2025)

End of support

.NET 10 is a Long Term Support (LTS) version, and will go out of support in November 2028.

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End of support

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