At the WWDC26 Platforms State of the Union developer keynote, we mentioned that the TrueType font hinting engine had been rewritten in Swift, for speed and memory safety. This article goes into considerable detail on "what" and "how": swift.org/blog/migrating-tru…
Memory-safe. 13% faster on average. ⚡️ The TrueType hinting interpreter in macOS and iOS has been rewritten in Swift, replacing the original C implementation. Pixel-perfect accuracy was validated across 27 million glyphs. And the results: swift.org/blog/migrating-tru…