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-rw-r--r--lib/tools/doc/src/notes.xml21
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diff --git a/lib/tools/doc/src/notes.xml b/lib/tools/doc/src/notes.xml
index 45f276c09e..6452080572 100644
--- a/lib/tools/doc/src/notes.xml
+++ b/lib/tools/doc/src/notes.xml
@@ -31,6 +31,27 @@
</header>
<p>This document describes the changes made to the Tools application.</p>
+<section><title>Tools 3.0</title>
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>Added <c>instrument:allocations</c> and
+ <c>instrument:carriers</c> for retrieving information
+ about memory utilization and fragmentation.</p>
+ <p>The old <c>instrument</c> interface has been removed,
+ as have the related options <c>+Mim</c> and
+ <c>+Mis</c>.</p>
+ <p>
+ *** POTENTIAL INCOMPATIBILITY ***</p>
+ <p>
+ Own Id: OTP-14961</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Tools 2.11.2</title>
<section><title>Fixed Bugs and Malfunctions</title>