From fb7006280f8d5a45459e1fba066fe6f6131e8e86 Mon Sep 17 00:00:00 2001
From: Erlang/OTP <otp@erlang.org>
Date: Mon, 24 Sep 2018 11:32:41 +0200
Subject: Prepare release

---
 lib/runtime_tools/doc/src/notes.xml | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'lib/runtime_tools/doc')

diff --git a/lib/runtime_tools/doc/src/notes.xml b/lib/runtime_tools/doc/src/notes.xml
index 5692df2ab4..810bb8207c 100644
--- a/lib/runtime_tools/doc/src/notes.xml
+++ b/lib/runtime_tools/doc/src/notes.xml
@@ -32,6 +32,23 @@
   <p>This document describes the changes made to the Runtime_Tools
     application.</p>
 
+<section><title>Runtime_Tools 1.13.1</title>
+
+    <section><title>Improvements and New Features</title>
+      <list>
+        <item>
+          <p>
+	    Optimize <c>observer</c> by using new
+	    <c>system_info(ets_count)</c> instead of more expensive
+	    <c>length(ets:all())</c>.</p>
+          <p>
+	    Own Id: OTP-15163 Aux Id: PR-1844 </p>
+        </item>
+      </list>
+    </section>
+
+</section>
+
 <section><title>Runtime_Tools 1.13</title>
 
     <section><title>Improvements and New Features</title>
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