Hello, with reference to this message: https://cygwin.com/pipermail/cygwin-apps/2026-January/044753.html
I shared my package for boost-1.90.0-1 on my repository. You can find it here: https://github.com/carlo-bramini/packages-cygwin/tree/main/boost/boost.x86_64 I hope that you will find it useful. Sincerely, Carlo Bramini.
