libpng(3) on macOS
The text 32efb2b5cb12, as macOS 26.5, macOS 26.4, macOS 26.3, macOS 26.2, macOS 26.1, macOS 26.0, macOS 15.6, macOS 15.5, macOS 15.4 shipped it. The page shows this text now.
Portable Network Graphics (PNG) Reference Library 1.6.36