This report is duplicated here as per @pdimov in the original. I tried moving to boost 1.89 from 1.88 this afternoon, and found with the cmake installer that boost::dll doesn't seem to get installed ...

-- Using cached boostorg-thread-boost-1.83.0.tar.gz. -- Cleaning sources at D:/workspace/scheduler/scheddata/vcpkg_installed/x64-windows/vcpkg/blds/boost-thread/src ...