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</header>
<p>This document describes the changes made to the Kernel application.</p>
+<section><title>Kernel 6.4</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Fix so that when multiple <c>-sname</c> or <c>-name</c>
+ are given to <c>erl</c> the first one is chosen. Before
+ this fix distribution was not started at all when
+ multiple name options were given.</p>
+ <p>
+ Own Id: OTP-15786 Aux Id: ERL-918 </p>
+ </item>
+ <item>
+ <p>
+ Fix <c>inet_res</c> configuration pointing to
+ non-existing files to work again. This was broken in
+ KERNEL-6.3 (OTP-21.3).</p>
+ <p>
+ Own Id: OTP-15806</p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ A simple socket API is provided through the socket
+ module. This is a low level API that does *not* replace
+ gen_[tcp|udp|sctp]. It is intended to *eventually*
+ replace the inet driver, but not the high level
+ gen-modules (gen_tcp, gen_udp and gen_sctp). It also
+ provides a basic API that facilitates the implementation
+ of other protocols, that is TCP, UDP and SCTP. </p>
+ <p>
+ Known issues are; No support for the Windows OS
+ (currently).</p>
+ <p>
+ Own Id: OTP-14831</p>
+ </item>
+ <item>
+ <p>
+ Improved the documentation for the linger option.</p>
+ <p>
+ Own Id: OTP-15491 Aux Id: PR-2019 </p>
+ </item>
+ <item>
+ <p> Global no longer tries more than once when connecting
+ to other nodes. </p>
+ <p>
+ Own Id: OTP-15607 Aux Id: ERIERL-280 </p>
+ </item>
+ <item>
+ <p>
+ The dist messages EXIT, EXIT2 and MONITOR_DOWN have been
+ updated with new versions that send the reason term as
+ part of the payload of the message instead of as part of
+ the control message.</p>
+ <p>
+ The old versions are still present and can be used when
+ communicating with nodes that don't support the new
+ versions.</p>
+ <p>
+ Own Id: OTP-15611</p>
+ </item>
+ <item>
+ <p>
+ Kernel configuration parameter <c>start_distribution =
+ boolean()</c> is added. If set to <c>false</c>, the
+ system is started with all distribution functionality
+ disabled. Defaults to <c>true</c>.</p>
+ <p>
+ Own Id: OTP-15668 Aux Id: PR-2088 </p>
+ </item>
+ <item>
+ <p>
+ In OTP-21.3, a warning was introduced for duplicated
+ applications/keys in configuration. This warning would be
+ displayed both when the configuration was given as a file
+ on system start, and during runtime via
+ <c>application:set_env/1,2</c>.</p>
+ <p>
+ The warning is now changed to a <c>badarg</c> exception
+ in <c>application:set_env/1,2</c>. If the faulty
+ configuration is given in a configuration file on system
+ start, the startup will fail.</p>
+ <p>
+ *** POTENTIAL INCOMPATIBILITY ***</p>
+ <p>
+ Own Id: OTP-15692 Aux Id: PR-2170 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Kernel 6.3.1</title>
<section><title>Fixed Bugs and Malfunctions</title>