Yazsoft today announced the release of Speed Download 2.3.1, the latest version of the company’s popular download manager for Mac OS X. Version 2.3.1 offers a new feature whereby it is possible to download all links from a page which have an extension by specifying ‘*’ in the list of extensions to match. In addition, this release offers several other feature tweaks and bug fixes. Speed Download 2.3.1 requires Mac OS X 10.2.6 or later, is free to all registered SD2 users, and is priced at US$20 for one license.