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WSL3 Performance is about 5-60% faster than WSL2 depending on the workload

tonym.us published 2026-10-073 min read

With the release of the WSL 3.x stack, Microsoft bumped the default virtualization runtime and advanced the shipped guest kernel from the 6.6 LTS branch up to 6.18. WSL upgrades often claim generalized performance gains, but marketing bullet points rarely translate directly to developer workloads. To see what actually…
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Systems & PerformanceInfrastructure & DevOps2026

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Oct 7, 2026WSL3 Performance is about 5-60% faster than WSL2 depending on the workload by tonymet241238

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