Updated LZMA compression implementation to 9.20. Allows for faster compression. Only available for version 5.4 of the components (the version compiled for .NET 4.0 and later).

Added Xceed.FileSystem.MemoryFile.ToArray() method, which writes the contents of a MemoryFile to a byte array.

Added event Xceed.FileSystem.FileSystemEvents.ItemCompletion. It allows performing post-processing tasks on items; changing file attributes in zipped items for example.

Implemented SFtp version re-negotiation. SFtp will now connect with version 3 of the protocol and then attempt to bump to version 6, if supported by the server.

Added support for 3 new SSH data integrity methods: First 96 bits of HMAC-SHA1 (hmac-sha1-96). HMAC-MD5. First 96 bits of HMAC-MD5 (hmac-md5-96).

Bug fixes in Sftp, Zip, and Real-Time Zip.