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<p>This document describes the changes made to the Dialyzer
application.</p>
+<section><title>Dialyzer 5.0</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>Fixed a bug that could cause the type analyzer to
+ enter an infinite loop.</p>
+ <p>
+ *** POTENTIAL INCOMPATIBILITY ***</p>
+ <p>
+ Own Id: OTP-17644 Aux Id: PR-5223 </p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ Optimize operations in the <c>erl_types</c> module.
+ Parallelize the Dialyzer pass <c>remote</c>.</p>
+ <p>
+ Own Id: OTP-17524</p>
+ </item>
+ <item>
+ <p>Added the <c>missing_return</c> and
+ <c>extra_return</c> options to raise warnings when
+ specifications differ from inferred types. These are
+ similar to, but not quite as verbose as <c>overspecs</c>
+ and <c>underspecs</c>.</p>
+ <p>
+ Own Id: OTP-17654 Aux Id: GH-5214 </p>
+ </item>
+ <item>
+ <p>The <c>race_conditions</c> option has been
+ removed.</p>
+ <p>
+ Own Id: OTP-17819</p>
+ </item>
+ <item>
+ <p>
+ The default location of the plt has been changed from
+ <c>$HOME</c> to
+ <c>filename:basedir(user_cache,"erlang")</c>.</p>
+ <p>
+ *** POTENTIAL INCOMPATIBILITY ***</p>
+ <p>
+ Own Id: OTP-17821 Aux Id: GH-5016 PR-5408 OTP-17554 </p>
+ </item>
+ <item>
+ <p><c>dialyzer</c> will now honor dependencies inside
+ type declarations. That is, if the declaration of an
+ exported type changes, all modules using said type will
+ be revisited.</p>
+ <p>
+ Own Id: OTP-17826 Aux Id: PR-5498 </p>
+ </item>
+ <item>
+ <p>Dialyzer now better understands the types for
+ <c>min/2</c>, <c>max/2</c>, and <c>erlang:raise/3</c>.
+ Because of that, Dialyzer can potentially generate new
+ warnings. In particular, functions that use
+ <c>erlang:raise/3</c> could now need a spec with a
+ <c>no_return()</c> return type to avoid an unwanted
+ warning.</p>
+ <p>
+ Own Id: OTP-17897 Aux Id: PR-5651 </p>
+ </item>
+ <item>
+ <p>The <c>typer_core</c> module has been added to provide
+ an Erlang API for running <c>typer</c>.</p>
+ <p>
+ Own Id: OTP-17964 Aux Id: PR-5660 </p>
+ </item>
+ <item>
+ <p>Added the <c>--annotate-in-place</c> option to
+ <c>typer</c>, which can be used to annotate the specs
+ that the tool inferred directly into the source code
+ files.</p>
+ <p>
+ Own Id: OTP-18035 Aux Id: PR-5802 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Dialyzer 4.4.4</title>
<section><title>Fixed Bugs and Malfunctions</title>