# Breaking Changes

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## Content



When you upgrade Spread.NET from previous version, there are a few breaking changes.

*   [Spread for WinForms Breaking Changes](/spreadnet/docs/latest/readme/BreakingChanges/breakingchangesSpWin)
*   [Spread for ASP.NET Breaking Changes](/spreadnet/docs/latest/readme/BreakingChanges/breakingchangesSpWeb)