JRuby 1.x+

Post 1.x releases

• JRUBY-1168 2007-06-26T15-35 03/Aug/12 raise/rescue/$! logic is not consistent with MRI, and not all happening in the right places; was: Array#replace causes StackOverflowError at $SAFE level 4
• JRUBY-3753 2009-06-13T13-42 01/Jan/12 Performance degradation on Java 5
• JRUBY-2930 2008-08-17T15-59 20/Dec/11 Lexer cache implementation