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Microsoft .NET Framework 3.5-sp1 retirement date and replacement

Microsoft .NET Framework · Version · retires Jan 9, 2029 (in 28 months)Unverified

Vendor page

Dates

Checked Sep 25, 2026 on Microsoft's page
RetiresJan 9, 2029 (in 28 months)
ReplacementNone named
NoticeEnd of support for version 3.5-sp1
Sourceendoflife.date/dotnetfx

Changes

DateChange
Sep 25Announced2029-01-09UnverifiedEnd of support for version 3.5-sp1Source

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