Version 2.1.1 patches a bug affecting iteration on big-endian platforms when the library is compiled using MSVC. Since big-endian machines running Windows are rare, it is unlikely that any current users are affected. The library has now been specifically tested on a big-endian platform under GCC and Clang (via emulation).
The README has also been updated to link to the recently published article benchmarking Verstable against a range of other C and C++ hash tables.