Crash happens consistently: (1) Launch pgAdmin. (2) Choose pgAdmin > Preferences > Query tool (3) Click the Font button. A floating Fonts panel appears. (4) Click any font in the list, such as Menlo. «Crash»
Postgres 9.5 pgAdmin 1.22.0 (rev: REL-1_22_0) Mac OS X 10.11.3 El Capitan (running inside a Parallels virtual machine) —Basil Bourque