[ANN] Ruby 2.2.4, 2.1.8 and 2.0.0-p648 Released

Hi, all

We have just released new versions of Ruby.
How to download and details:

* [Ruby 2.2.4](https://www.ruby-lang.org/en/news/2015/12/16/ruby-2-2-4-released/)
* [Ruby 2.1.8](https://www.ruby-lang.org/en/news/2015/12/16/ruby-2-1-8-released/)
* [Ruby 2.0.0-p648](https://www.ruby-lang.org/en/news/2015/12/16/ruby-2-0-0-p648-released/)

These releases include a security fix for Fiddle extension
(and DL extension, if available).
Please view the topic below for more details.

* [CVE-2015-7551: Unsafe tainted string usage in Fiddle and DL](https://www.ruby-lang.org/en/news/2015/12/16/unsafe-tainted-string-usage-in-fiddle-and-dl-cve-2015-7551/)

We strongly recommend you upgrade Ruby.

Regards,

···

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U.Nakamaura <usa@garbagecollect.jp>
こんにちは、なかむら(う)です。

それでは。
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U.Nakamaura <usa@garbagecollect.jp>