We are working towards a most stable release of the 1.5.x line of FOG and will publish release candidates of FOG 1.5.9 for this over the next weeks. We ask people to participate and help test to get the final release as good as we can.
This release candidate is available for download at: Download from GitHub
For installation instructions please see https://wiki.fogproject.org/wiki/index.php?title=Installation#Installation_manuals and select your relevant server OS.
Comparison of 1.5.9-RC1 to 1.5.9-RC2: