File hosts constantly change their download patterns to block leeches; "extra quality" versions often bundled the latest working plugins for premium sites.

The "Rev 43" build is widely regarded as one of the most stable and feature-rich iterations of the v2 branch. Here is what sets this "Extra Quality" version apart:

At its heart, this script acts as a middleman. Instead of downloading a large file directly to your slow home connection, you use your server's high-speed backbone to "leech" the file into your server's storage.