From ChangeLog: Version 3.7.1 - 10/21/2012 Fixed bug where clients would occasionally fail to register in open group mode if the client doesn't have a UID assigned. First appeared in version 3.4.3. With a congestion control file in use, the speed wouldn't increase if the max_rate parameter was not specified in the congestion control config file. First appeared in version 3.6. Fixed. Under Windows, a postreceive script with a .bat extension wouldn't execute. Bug fixed.
+ 23 Jan 2013; Sergey Popov <pinkbyte@gentoo.org> +uftp-3.7.1.ebuild: + Version bump, wrt bug #452712. Thanks to Azamat Hackimov