Developer credits
Git commits in Moodle 3.9.0 by Luke Tucker
commit 785271c6d9276a529e15171968a210a53f3305d9 Author: Luke Tucker <luke.tucker@netspot.com.au> Date: Thu, 04 Jun 2015 09:58:44 +0800 Tag: v3.9.0-beta MDL-50455: tool_capability: Use static cache when loading context data