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-rw-r--r--lib/stdlib/doc/src/notes.xml60
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diff --git a/lib/stdlib/doc/src/notes.xml b/lib/stdlib/doc/src/notes.xml
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+++ b/lib/stdlib/doc/src/notes.xml
@@ -31,6 +31,66 @@
</header>
<p>This document describes the changes made to the STDLIB application.</p>
+<section><title>STDLIB 3.1</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ The <c>zip:unzip/1,2</c> and <c>zip:extract/1,2</c>
+ functions have been updated to handle directory traversal
+ exploits. Any element in the zip file that contains a
+ path that points to a directory above the top level
+ working directory, <c>cwd</c>, will instead be extracted
+ in <c>cwd</c>. An error message is printed for any such
+ element in the zip file during the unzip operation. The
+ <c>keep_old_files</c> option determines if a file will
+ overwrite a previous file with the same name within the
+ zip file.</p>
+ <p>
+ Own Id: OTP-13633</p>
+ </item>
+ <item>
+ <p> Correct the contracts for
+ <c>ets:match_object/1,3</c>. </p>
+ <p>
+ Own Id: OTP-13721 Aux Id: PR-1113 </p>
+ </item>
+ <item>
+ <p>
+ Errors in type specification and Emacs template
+ generation for <c>gen_statem:code_change/4</c> has been
+ fixed from bugs.erlang.org's Jira cases ERL-172 and
+ ERL-187.</p>
+ <p>
+ Own Id: OTP-13746 Aux Id: ERL-172, ERL-187 </p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ gen_statem has been changed to set the callback mode for
+ a server to what Module:callback_mode/0 returns. This
+ facilitates e.g code downgrade since the callback mode
+ now becomes a property of the currently active code, not
+ of the server process.</p>
+ <p>
+ Exception handling from Module:init/1 has also been
+ improved.</p>
+ <p>
+ *** POTENTIAL INCOMPATIBILITY ***</p>
+ <p>
+ Own Id: OTP-13752</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>STDLIB 3.0.1</title>
<section><title>Fixed Bugs and Malfunctions</title>