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Ruby 2.0.0-p195 is released. This is the first patchlevel release of 2.0.0.

And there're many bug-fixes and some optimization, and documentation fixes.

# Downloads

ftp://ftp.ruby-lang.org/pub/ruby/2.0/ruby-2.0.0-p195.tar.bz2
  SIZE:   10807456 bytes
  MD5:    2f54faea6ee1ca500632ec3c0cb59cb6
  SHA256: 0be32aef7a7ab6e3708cc1d65cd3e0a99fa801597194bbedd5799c11d652eb5b

ftp://ftp.ruby-lang.org/pub/ruby/2.0/ruby-2.0.0-p195.tar.gz
  SIZE:   13641558 bytes
  MD5:    0672e5af309ae99d1703d0e96eff8ea5
  SHA256: a2fe8d44eac3c27d191ca2d0ee2d871f9aed873c74491b2a8df229bfdc4e5a93

ftp://ftp.ruby-lang.org/pub/ruby/2.0/ruby-2.0.0-p195.zip
  SIZE:   15092199 bytes
  MD5:    924fe4bea72b1b258655211998631791
  SHA256: 81a4dc6cc09e491d417a51e5983c4584eff849e2a186ec3affdbe5bc15cd7db5

# Changes

Major fixes are below. See ChangeLog or Tickets for details.
https://bugs.ruby-lang.org/projects/ruby-200/issues?set_filter=1&status_id=5

Thank you all committers/contributors. 

## Core - prepend
  #7841 Module#prepend now detect cyclic prepend.
  #7843 removing prepended methods causes exceptions.
  #8357 Module#prepend breaks Module's comparison operators.
  #7983 Module#prepend can't override Fixnum's operator methods.
  #8005 methods made private/protected after definition become uncallable on
        prepended class.
  #8025 Module#included_modules include classes when prepended.

## Core - keyword arguments
  #7922 unnamed keyword rest argument cause SyntaxError.
  #7942 support define method only receive keyword arguments without paren.
  #8008 fix a bug in super with keyword arguments.
  #8236 fix a treatment of rest arguments and keyword arguments through `super'.
  #8260 non-symbol key should not treated as keyword arguments.

## Core - refinements
  #7925 fix a bug of refinements with a method call super in a block.

## Core - GC
  #8092 improve accuracy of GC.stat[:heap_live_num]
  #8146 avoid unnecessary heap growth.
  #8145  fix unlimited memory growth with large values of RUBY_FREE_MIN.

## Core - Regexp
  #7972 Regexp POSIX space class is location sensitive.
  #7974 Regexp case-insensitive group doesn't work.
  #8023 Regexp lookbehind assertion fails with /m mode enabled
  #8001 Regexp \Z matches where it shouldn't

## Core - other
  #8063 fix a potential memory violation and avoid abort on the environment
        _FORTIFY_SOURCE=2 (ex. Ubuntu).
  #8175 ARGF#skip doesn't work as documented.
  #8069 File.expand_path('something', '~') now support home path on Windows.
  #8220 fix a Segmentation fault when defined? ().
  #8367 fix a regression in defined?(super).
  #8283 Dir.glob doesn't recurse hidden directories.
  #8165 fix a bug of multiple require with non-ascii file path.
  #8290 fix an incompatible String#inspect behavior with NUL character.
  #8360 fix a Segmentation fault of Thread#join(Float::INFINITY) on some
        platforms.

## RubyGems
  Bundled RubyGems version is updated to 2.0.2+
  #7698 fix an rubygems' incompatibility about installation of extension
        libraries.
  #8019 fix a bug of gem list --remote doesn't work.

## Libraries
  #7911 File.fnmatch with US-ASCII pattern and UTF-8 path raise an exception.
  #8240 fix a bug about OpenSSL::SSL::SSLSocket breaks other connections or files on GC.
  #8183 CGI.unescapeHTML can't decode Numeric Character References with uppercase (&#Xnnnn).

## Build/Platform specific.
  #7830 fix build failure with compiler warning.
  #7950 fix a build failure on mswin/VC with --with-static-linked-ext.