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Net 11

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.NET 11 raises minimum CPU requirements for x64 and Arm64

Microsoft's .NET 11 runtime, now at release candidate 2, raises the baseline hardware requirements for both x86/x64 and Arm64 platforms. On Windows, the Arm64 minimum now requires the LSE instruction set, matching Windows 11 and Arm SBSA requirements, while Linux's minimum hardware stays the same but its ReadyToRun compilation target now includes LSE. Apple's M1-based requirements remain unchanged.

learn.microsoft.com · 2026-11-10

.NET 11 ships with broad runtime and library performance upgrades

Microsoft's .NET 11 release delivers another round of performance engineering across the runtime and core libraries, building on prior years' optimization work. The improvements include eliminated bounds checks, reduced allocations, and other low-level fixes aimed at making applications run measurably faster without requiring code changes from developers.

devblogs.microsoft.com · 2026-09-15