Ruby 2.1.0-preview2 is released

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 Exception#cause #8257
• update libraries like json, nkf, rake, RubyGems, and RDoc.

Download

• https://cache.ruby-lang.org/pub/ruby/2.1/ruby-2.1.0-preview2.tar.bz2

  SIZE:   11432454 bytes
  MD5:    9d566a9b2d2e7e35ad6125e2a14ce672
  SHA256: 780fddf0e3c8a219057d578e83367ecfac5e945054b9f132b3b93ded4802d1ce
  

• https://cache.ruby-lang.org/pub/ruby/2.1/ruby-2.1.0-preview2.tar.gz

  SIZE:   14416029 bytes
  MD5:    ba2b95d174e156b417a4d580a452eaf5
  SHA256: a9b1dbc16090ddff8f6c6adbc1fd0473bcae8c69143cecabe65d55f95f6dbbfb
  

• https://cache.ruby-lang.org/pub/ruby/2.1/ruby-2.1.0-preview2.zip

  SIZE:   16110720 bytes
  MD5:    2ad1aa3d89ae32607cf14fc73b192de1
  SHA256: cc2f7f8e05daed716489e5480e6365a711a13ed7747dbc59e989a41fe2805076
  

Changes from 2.0

The notable changes are:

• VM (method cache)
• RGenGC (See ko1’s RubyKaigi presentation and RubyConf 2013 presentation)
• refinements #8481 #8571
• syntax changes
  • Rational/Complex Literal #8430
  • def’s return value #3753
• Bignum
  • use 128bit integers #8509
  • use GMP #8796
• String#scrub #8414
• Socket.getifaddrs #8368
• RDoc 4.1.0.preview.2 and RubyGems 2.2.0.preview.2

See more details of changes: NEWS in Ruby repository (WIP).

ko1 talked about the new features of Ruby 2.1 at toruby: All about Ruby 2.1

Konstantin Haase (@konstantinhaase) wrote a good summary in his blog post: What’s new in Ruby 2.1?.

Release Comment

Known issues are:

https://bugs.ruby-lang.org/projects/ruby-trunk/issues?query_id=102

See also the release schedule and other information:

https://bugs.ruby-lang.org/projects/ruby-master/wiki/ReleaseEngineering210