Changelog

2.0.1-preview2

Rewrote Expand-Archive cmdlet in C#
Added -Format parameter to Expand-Archive
Added -WriteMode parameter to Expand-Archive
Added support for zip64 to Expand-Archive
Fixed a bug where the entry names of files in a directory would not be correct when compressing an archive
Compress-Archive by default skips writing an entry to an archive if an error occurs while doing so

Rewrote Compress-Archive cmdlet in C#
Added -Format parameter to Compress-Archive
Added -WriteMode parameter to Compress-Archive
Added support for relative path structure preservation when paths relative to the working directory are specified to -Path or -LiteralPath in Compress-Archive
Added support for zip64 to Compress-Archive
Fixed a bug where empty directories would not be compressed
Fixed a bug where an abrupt stop when compressing empty directories would not delete the newly created archive