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OpenCvSharp5 requires .NET 10.0.401 or higher #2154

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@ksladowskimsi

I see in #2121 the analyzers updated to 5.9.0, which puts a requirement on Roslyn 5.9, and therefore requires .NET 10.0.401 or higher, or .NET 11.0.100-rc1.26425.128 SDK to build.

As a workaround you can disable the analyzers in Build targets, or just use a newer SDK and target a previous version, but I think if nothing else the docs should address this.

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  1. added
    bugConfirmed defect in OpenCvSharp
    on Oct 11, 2026
  2. shimat commented on Oct 11, 2026

    @shimat
    Owner

    Thanks for reporting this and pinpointing the Roslyn version requirement. We lowered the packaged analyzer's Roslyn baseline in #2159, which has now been merged.

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