Release notes can be found on the Moonlight project wiki, here.

Check the list of supported operating systems and architectures

1. Select the architecture:
32 bit 64 bit
2. Download the plugin
Your browser type could not be determined. The following plugin types are available, please select the best match for your browser.
For Firefox: Linux/i586 14.9 MB Last Updated: Apr 12, 2011	For Chrome: Linux/i586 14.8 MB Last Updated: Apr 12, 2011
Other releases 2.4 (Stable version). Be aware that many sites require more recent silverlight API/functionality, and will not work with Moonlight 2. Nightly release. These are truly bleeding edge, and come without any guarantees. They may crash your browser (or worse).

Installation

When installing the Novell Moonlight plugin, Firefox may prevent the installation and present you with an information bar:

Information Bar

To continue the installation click Edit Options... on the information bar and add this site to Allowed Sites, then click on the appropriate installer again.

Allowed Sites

Download Moonlight 4 Preview

1. Select the architecture:

2. Download the plugin

Other releases

Installation