Posted by nurse on 22 Nov 2013 We are pleased to announce the release of Ruby 2.1.0-preview2. Please test the new features in Ruby 2.1 before the final release! Notable changes from preview 1 fix Heap Overflow in Floating Point Parsing (CVE-2013-4164) “literal”.freeze is now optimized #9042 f suffix of String Literal is removed #9042 fix memory consuming issue on RGenGC (r43532 and r43755) add Exc