If you’ve ever needed to ship a binary file — a certificate, a small image, a default configuration — inside a C++ program, you know the ritual. You find or write a tool that converts the file into a C array, you wire it into your build system, and you pray that nobody forgets to re-run the conversion after updating the original file. C++26 ends this with #embed (P1967R14 by JeanHeyd Meneide). Think of it as #include for binary data — a preprocessor directive that turns a file into a comma-separated sequence of integer constant expressions, directly at compile time,…