ruby.git/lib/observer/version.rb, branch v2_7_8 The Ruby Programming Language Promote observer to default gems. But not yet released 2019-11-08T22:32:34+00:00 Hiroshi SHIBATA hsbt@ruby-lang.org 2019-11-08T06:47:18+00:00 5f206cebb995ec3b0ff279c6a78c2a952b3c1be7