Sol.hpp under release 3.3.0 has version number 3.2.0

[ensisoft]

Looks like a stale version number has slipped into the latest release.

Download the latest release which is advertised as 3.3.0 from
https://github.com/ThePhD/sol2/releases

sol.hpp has version strings 3.2.0

#include <sol/config.hpp>

#define SOL_VERSION_MAJOR 3
#define SOL_VERSION_MINOR 2
#define SOL_VERSION_PATCH 3
#define SOL_VERSION_STRING "3.2.3"
#define SOL_VERSION ((SOL_VERSION_MAJOR * 100000) + (SOL_VERSION_MINOR * 100) + (SOL_VERSION_PATCH))

[Fighter19]

*3.2.3
But yes, I've noticed that as well.
However it appears as if the actual version behind is 3.3.0,
by the one change I've checked.