---- - Improved ABI3 support for Windows by vendoring `packaging.tags`
0.21.0
------ - New functions for C extensions: `enscons.cpyext.extension_filename(modname, abi3=False)` and `enscons.get_abi3_tag()`
0.20.0
------ - Changes to allow multiple wheels with env.Clone(), for `nonstdlib` project - Add target parameter to WhlFile
0.13.0
------ - Generate .tar.gz with zip-friendly post-1980 timestamps. Still need to set timestamps of zip for .whl instead of having zipfile read them from the filesystem.
0.10.0
------ - Remove dependency on wheel reference implementation (upstream is removing its API)
0.6.0
----- - Tolerate missing optional metadata (written as 'UNKNOWN') - Support src_root for sources in ./src/ etc.