<div dir="ltr"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Not familiar with that particular feature. Is it new?<br></blockquote><div><br></div></div><div dir="ltr"><div class="gmail_quote"><div>Appears it's been around since 2012 [1]. Documentation ref:</div><div><br></div><div><a href="http://logback.qos.ch/manual/appenders.html#AsyncAppender" target="_blank">http://logback.qos.ch/manual/appenders.html#AsyncAppender</a><br></div><div><br></div><div>M</div><div><br></div><div>[1] <a href="https://github.com/qos-ch/logback/blame/d46efd0ebd856924a51b9638cc374687c6f438c8/logback-classic/src/main/java/ch/qos/logback/classic/AsyncAppender.java" target="_blank">https://github.com/qos-ch/logback/blame/d46efd0ebd856924a51b9638cc374687c6f438c8/logback-classic/src/main/java/ch/qos/logback/classic/AsyncAppender.java</a> </div></div></div><div dir="ltr"><div class="gmail_quote"><div> </div></div></div></div>