A developer announced xc, a cross-platform compiler with Objective-C-like syntax that runs on Mac, Windows, and Linux and can generate binaries for multiple targets including iOS, Android, WASM, and retro platforms like 6502. The GPL3-licensed compiler is self-contained after bootstrapping, includes optimization passes and interoperability features for binding C libraries, and has been extensively tested with over 600 unit tests and real-world applications.