[Proposal]: Unsafe evolution

[333fred]

Unsafe evolution

• Specification: https://github.com/dotnet/csharplang/blob/main/proposals/unsafe-evolution.md
• .NET Design: https://github.com/dotnet/designs/blob/main/proposed/caller-unsafe.md
• Discussion: https://github.com/dotnet/csharplang/discussions/9705
• Implementation: https://github.com/dotnet/roslyn/issues/81207

Summary

Evolving unsafe in C# to cover general memory unsafety.

Design meetings

• https://github.com/dotnet/csharplang/blob/main/meetings/2025/LDM-2025-09-17.md#unsafe-evolution
• https://github.com/dotnet/csharplang/blob/main/meetings/2025/LDM-2025-10-29.md#unsafe-evolution
• https://github.com/dotnet/csharplang/blob/main/meetings/2025/LDM-2025-11-05.md#unsafe-evolution
• https://github.com/dotnet/csharplang/blob/main/meetings/2025/LDM-2025-11-12.md#unsafe-evolution