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</header>
<p>This document describes the changes made to the Kernel application.</p>
+<section><title>Kernel 6.2</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ A new function, <c>logger:update_handler_config/3</c> is
+ added, and the handler callback <c>changing_config</c>
+ now has a new argument, <c>SetOrUpdate</c>, which
+ indicates if the configuration change comes from
+ <c>set_handler_config/2,3</c> or
+ <c>update_handler_config/2,3</c>.</p>
+ <p>
+ This allows the handler to consistently merge the new
+ configuration with the old (if the change comes from
+ <c>update_handler_config/2,3</c>) or with the default (if
+ the change comes from <c>set_handler_config/2,3</c>).</p>
+ <p>
+ The built-in handlers <c>logger_std_h</c> and
+ <c>logger_disk_log_h</c> are updated accordingly. A bug
+ which could cause inconsistency between the handlers'
+ internal state and the stored configuration is also
+ corrected.</p>
+ <p>
+ *** POTENTIAL INCOMPATIBILITY ***</p>
+ <p>
+ Own Id: OTP-15364</p>
+ </item>
+ <item>
+ <p>
+ Fix fallback when custom erl_epmd client does not
+ implement address_please.</p>
+ <p>
+ Own Id: OTP-15388 Aux Id: PR-1983 </p>
+ </item>
+ <item>
+ <p>
+ The logger ets table did not have the
+ <c>read_concurrency</c> option. This is now added.</p>
+ <p>
+ Own Id: OTP-15453 Aux Id: ERL-782 </p>
+ </item>
+ <item>
+ <p>
+ During system start, logger has a simple handler which
+ prints to stdout. After the kernel supervision is
+ started, this handler is removed and replaced by the
+ default handler. Due to a bug, logger earlier issued a
+ debug printout saying it received an unexpected message,
+ which was the EXIT message from the simple handler's
+ process. This is now corrected. The simple handler's
+ process now unlinks from the logger process before
+ terminating.</p>
+ <p>
+ Own Id: OTP-15466 Aux Id: ERL-788 </p>
+ </item>
+ <item>
+ <p>
+ The logger handler <c>logger_std_h</c> would not
+ re-create it's log file if it was removed. Due to this it
+ could not be used with tools like 'logrotate'. This is
+ now corrected.</p>
+ <p>
+ Own Id: OTP-15469</p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ A function <c>inet:getifaddrs/1</c> that takes a list
+ with a namespace option has been added, for platforms
+ that support that feature, for example Linux (only?).</p>
+ <p>
+ Own Id: OTP-15121 Aux Id: ERIERL-189, PR-1974 </p>
+ </item>
+ <item>
+ <p>Added the <c>nopush</c> option for TCP sockets, which
+ corresponds to <c>TCP_NOPUSH</c> on *BSD and
+ <c>TCP_CORK</c> on Linux.</p>
+ <p>This is also used internally in <c>file:sendfile</c>
+ to reduce latency on subsequent send operations.</p>
+ <p>
+ Own Id: OTP-15357 Aux Id: ERL-698 </p>
+ </item>
+ <item>
+ <p>
+ Optimize handling of send_delay for tcp sockes to better
+ work with the new pollthread implementation introduced in
+ OTP-21.</p>
+ <p>
+ Own Id: OTP-15471 Aux Id: ERIERL-229 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Kernel 6.1.1</title>
<section><title>Fixed Bugs and Malfunctions</title>