From: Kurt Stephens Date: 2011-01-11T19:28:15+09:00 Subject: [ruby-core:34345] [Ruby 1.9-Bug#4168] WeakRef is unsafe to use in Ruby 1.9 Issue #4168 has been updated by Kurt Stephens. This patch could be written as a C ext/*.so if MRI had an API for callbacks functions before and after each of the GC phases. ---------------------------------------- http://redmine.ruby-lang.org/issues/show/4168 ---------------------------------------- http://redmine.ruby-lang.org