Issue #7838 has been updated by mame (Yusuke Endoh). Status changed from Open to Assigned Assignee changed from mame (Yusuke Endoh) to drbrain (Eric Hodel) Eric, I don't know the issue at all, but I believe you. Please go ahead. (I'm happy if you provided the ticket # of the issue if any) -- Yusuke Endoh <mame / tsg.ne.jp> ---------------------------------------- Bug #7838: Backport r39213 to Ruby 2.0.0 which fixes intermittent test failures https://bugs.ruby-lang.org/issues/7838#change-36212 Author: drbrain (Eric Hodel) Status: Assigned Priority: Normal Assignee: drbrain (Eric Hodel) Category: lib Target version: 2.0.0 ruby -v: - r39213 sets the encoding of strings returned by Gem.gzip and Gem.gunzip to BINARY. This fixes intermittent test failures on ruby 2.0.0. I believe this could cause failures in real code too. -- http://bugs.ruby-lang.org/