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Hi Rubyists,

I have just released Ruby 1.9.3 preview1.
This is the first preview of Ruby 1.9.3 releases.

I know there are still minor known issues on 1.9.3 but I believe it will
be fixed before the release of Ruby 1.9.3-p0.
Let's try it out. If you have any trouble on it, please let us know it.

== Location
* http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-preview1.tar.bz2
  SIZE:   9507455 bytes
  MD5:    7d93dc773c5824f05c6e6630d8c4bf9b
  SHA256: a15d7924d74a45ffe48d5421c5fc4ff83b7009676054fa5952b890711afef6fc

* http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-preview1.tar.gz
  SIZE:   12186410 bytes
  MD5:    0f0220be4cc7c51a82c1bd8f6a0969f3
  SHA256: 75c2dd57cabd67d8078a61db4ae86b22dc6f262b84460e5b95a0d8a327b36642

* http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-preview1.zip
  SIZE:   13696708 bytes
  MD5:    960e08b2dc866c9987f17d0480de63a1
  SHA256: 249483f88156b4ae65cd45742c6f6316660f793b78739657596c63b86f76aaeb



== Changes since 1.9.2
License:
* Ruby has been released under GPLv2 and "Ruby's" license.  Ruby 1.9.3
  is released under 2-clause BSDL and "Ruby's" license.

Encodings:
* SJIS used to be an alias of Shift_JIS in Ruby 1.9.[0-2].  Now it is
  an alias of Windows-31J.

Libraries:
* io/console: new library
* openssl: Got active maintainers.  It is getting much better.
* test/unit: Supports parallel running.

Implementation:
* pathname library and date library were reimplemented in C.
  It improves performance.
* The locking strategy in VM changed.

See [*1] and [*2] for more details.

*1: http://svn.ruby-lang.org/repos/ruby/tags/v1_9_3_preview1/NEWS
*2: http://svn.ruby-lang.org/repos/ruby/tags/v1_9_3_preview1/ChangeLog

- --
Yuki Sonoda (Yugui)
yugui / yugui.jp
http://yugui.jp
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