Discussions

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  .NET sandboxed app on macOS does not see certificate in keychain imported by third party sandboxed app

  tsw-github asked Jan 20, 2026 in Q&A · Unanswered

  

  

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  How to json serialize custom/derived collection/list types?

  CodingOctocat asked Feb 20, 2026 in Q&A · Answered

  

  

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  How to resolve counterintuitive CS9091

  andanteyk asked Feb 16, 2026 in Q&A · Answered

  

  

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  Disposal Order of Shared Dependencies in System.Composition

  thmrtz asked Feb 4, 2025 in General · Unanswered

  

  

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  Recipe for "full" build caching in CI

  BeyondEvil asked Oct 14, 2024 in Q&A · Unanswered

  

  

  

  

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  Can Array.Clear() be used to zero out sensitive byte arrays?

  samuel-lucas6 asked Feb 24, 2021 in Q&A · Answered

  

  

  

  

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  Pauseless Garbage Collector (Question)

  question Answer questions and provide assistance, not an issue with source code or documentation. area-GC-coreclr

  jogibear9988 asked Dec 20, 2023 in General · Unanswered

  

  

  

  

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  will dotnet 11 preview 1 ship the coreclr wasm package?

  srxqds asked Jan 27, 2026 in General · Unanswered

  

  

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  Potential bug in byref-like generics (allows ref struct)

  GeeLaw asked Jan 26, 2026 in General · Answered

  

  

  

  

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  Question: thread safety and correct usage of mono_gc_reference_queue_* APIs when embedding Mono (rare crash)

  ffbh123456 asked Feb 1, 2026 in Q&A · Unanswered

  

  

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  Eager type init caused by P/Invoke binding dynamics

  crystal-rgb asked Dec 17, 2025 in Q&A · Answered

  

  

  

  

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  StreamPipeReader may have a potential memory leak risk.

  Vincent-X-Zhang asked Jan 26, 2026 in Q&A · Answered

  

  

  

  

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  Consider pooling cryptographically secure randomness for Guid.NewGuid() instead of calling the OS for each Guid for increased throughput.

  eacp asked Jan 28, 2026 in Show and tell · Answered

  

  

  

  

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  Can one compute TupleHash (SHA-3 derived function) in .NET using just .NET API?

  Carti-it asked Jan 26, 2026 in Q&A · Answered

  

  

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  Modern CRNG on Windows

  aloraman asked Jan 23, 2026 in General · Answered

  

  

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  Make ArrayMemoryPoolBuffer a struct for less GC pressure.

  Danielku15 asked Jan 15, 2026 in Ideas · Unanswered

  

  

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  Guidance for handling Null vs Undefined in .NET JSON

  area-System.Text.Json untriaged New issue has not been triaged by the area owner

  fern-support asked Jan 14, 2026 in Q&A · Unanswered

  

  

  

  

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  GC Isolates

  zigzag312 asked Jan 12, 2026 in Ideas · Unanswered

  

  

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  Using Threadpool in managed code run from a Runtime started by nethost

  Samuil1337 asked Jan 12, 2026 in Q&A · Answered

  

  

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  Add no-allocation version of new StringInfo(string).LengthInTextElements

  Joy-less asked Jan 11, 2026 in Ideas · Unanswered

  

  

  

  

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  Plans to reduce object header size

  mcpiroman asked Dec 3, 2022 in Ideas · Unanswered

  

  

  

  

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  Optimize AES library to reduce allocations

  TahirAhmadov asked Jan 9, 2026 in Ideas · Unanswered

  

  

  

  

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  Does the class returned by System.Security.Cryptography.Aes.Create() uses a managed or a native crypto implementation?

  arendigossweiler asked Jan 25, 2023 in Q&A · Answered

  

  

  

  

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  Could the obsoletion of all Rfc2898DeriveBytes constructors be reconsidered?

  koszeggy asked Aug 14, 2025 in Q&A · Answered

  

  

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  High memory consumption (working set) under linux

  scrocquesel-ml150 asked Dec 4, 2025 in Q&A · Unanswered

  

  

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