NetLogo 6.0.2 was released August 2017. The current version in the tree is 5.0.3-r1. https://ccl.northwestern.edu/netlogo/oldversions.shtml
The bug has been referenced in the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=a5d30f542a0246872dac3bfb367a3add2d0b6584 commit a5d30f542a0246872dac3bfb367a3add2d0b6584 Author: Chris Reffett <creffett@gentoo.org> AuthorDate: 2018-03-05 02:08:19 +0000 Commit: Chris Reffett <creffett@gentoo.org> CommitDate: 2018-03-05 02:11:54 +0000 sci-misc/netlogo-bin: Version bump, major rework Bug: https://bugs.gentoo.org/648562 Package-Manager: Portage-2.3.24, Repoman-2.3.6 sci-misc/netlogo-bin/Manifest | 4 +- sci-misc/netlogo-bin/files/behaviorsearch-6.0.2.sh | 38 ++++++++++ sci-misc/netlogo-bin/files/hubnetclient-6.0.2.sh | 40 +++++++++++ sci-misc/netlogo-bin/files/netlogo-6.0.2.sh | 40 +++++++++++ sci-misc/netlogo-bin/files/netlogo3d-6.0.2.sh | 40 +++++++++++ sci-misc/netlogo-bin/netlogo-bin-6.0.2.ebuild | 80 ++++++++++++++++++++++ 6 files changed, 241 insertions(+), 1 deletion(-)}