[release-notes] Ruby 2.2

[pbokoc]

commit d2804ad6e8fc752d29a50e6806d97f46f21a6649
Author: Petr Bokoc <pbokoc at redhat.com>
Date:   Thu Apr 9 18:14:12 2015 +0200

    Ruby 2.2

 en-US/Development.xml |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)
---
diff --git a/en-US/Development.xml b/en-US/Development.xml
index fced222..ea49bbd 100644
--- a/en-US/Development.xml
+++ b/en-US/Development.xml
@@ -120,5 +120,18 @@
 		</para>
 	</section>
 
+	<section id="sect-devel-ruby-22">
+		<title>Ruby 2.2</title>
+		<para>
+			Fedora&nbsp;22 provides Ruby 2.2, the latest stable version of Ruby. This update brings many updates necessary for the increasingly diverse and expanding demands of this language such as incremental and symbol garbage collection and many others.
+		</para>
+		<para>
+			This update also brings a soname bump. All Ruby packages which use binary extensions should be rebuilt. Ruby 2.2 preserves backward compatibility with Ruby 2.1 (introduced in Fedora&nbsp;21); therefore no changes to source code are necessary.
+		</para>
+		<para>
+			You can find a full list of changes in Ruby 2.2 in the <ulink url="https://github.com/ruby/ruby/blob/v2_2_0/NEWS">changelog</ulink>. Full documentation is available at the <ulink url="http://ruby-doc.org/">Ruby Documentation</ulink> website.
+		</para>
+	</section>
+
 </section>