[release-notes] Boost 1.57

[pbokoc]

commit e927064c718f7abcc95f5356bc8f88fae3438c14
Author: Petr Bokoc <pbokoc at redhat.com>
Date:   Thu Apr 9 17:50:16 2015 +0200

    Boost 1.57

 en-US/Development_GCC_Tools.xml |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)
---
diff --git a/en-US/Development_GCC_Tools.xml b/en-US/Development_GCC_Tools.xml
index 5f9a9c6..aee6b3d 100644
--- a/en-US/Development_GCC_Tools.xml
+++ b/en-US/Development_GCC_Tools.xml
@@ -49,5 +49,18 @@
 		</para>
 	</section>
 
+	<section id="sect-developers-boost">
+		<title>Boost 1.57</title>
+		<para>
+			The set of widely used C++ libraries, <application>Boost</application>, has been updated to version 1.57 in Fedora&nbsp;22. This update brings a number of bug fixes, performance improvements and enhancements.
+		</para>
+		<para>
+			<application>Boost 1.57</application> brings a soname bump. Fedora packages have been rebuilt using the updated libraries where necessary. Any other client packages must be rebuilt as well; this update does not preserve full ABI compatibility with previous releases.
+		</para>
+		<para>
+			See the <ulink url="http://www.boost.org/users/history/version_1_57_0.html">Boost 1.57 Release Notes</ulink> for detailed information about changes in the new version.
+		</para>
+	</section>
+
 </section>