The Center for Connected Learning and Computer-Based Modeling at Northwestern University had announced three new NetLogo releases:
4.0.2 and 3.1.5 are both bugfix releases, addressing various issues found in 4.0 and 3.1.4.
NetLogo 3D Preview 5 brings the NetLogo 3D series up to date with NetLogo 4.0.2. It includes the majority of NetLogo 4.0’s features and all of 4.0.2’s fixes.
Download these latest versions from the NetLogo homepage