c++

Microsoft's first .NET 11 release candidate ships with a go-live support license and locks in C# 15's union types, closed hierarchies, and four other preview-era language features as stable defaults.

The June 9 .NET 11 Preview 5 brings a closed class modifier for exhaustive switch checking and with(...) collection expression arguments, alongside the first runtime scaffolding for C# union types.

The GNU Compiler Collection's next major release enters its final regression-fixing phase with early C++26 support, a new Algol 68 frontend, AMD Zen 6 targets, and a long-awaited shift to C++20 as the default C++ dialect.

LLVM 22.1, released February 24, introduces production-ready Distributed ThinLTO, C2y Named Loops in Clang, LLDB WebAssembly debugging, and support for Intel Nova Lake and Arm C1 processors.

The ISO C++ committee meets in London on March 23 to finalize C++26, which introduces compile-time reflection, design-by-contract annotations, the std::execution async framework, and standardized SIMD types in the language's most ambitious revision since C++11.

Meta rewrites WhatsApp's media processing library in Rust, cutting code by 44% while hardening security for 3 billion users across every major platform.