During April 2026, Dexter contributed to the dotnet/csharplang repository by clarifying the distinction between safe and unsafe boundaries in C# pointer usage. He updated the language specification and documentation to communicate that pointer creation is permitted and not inherently unsafe, while dereferencing pointers remains unsafe due to memory management risks. Using C# and focusing on technical documentation, Dexter revised examples to reflect these semantics, improving guidance for both implementers and users. His work enhanced the clarity of memory safety concepts in the language, reducing ambiguity and supporting safer code patterns for downstream projects that rely on the C# specification.