March 30th, 2017, Release of version 1.2.3
Fix unintentional dependency on OutputStreamAppender in LayoutWrappingEncoder as reported in LOGBACK-1287.
Fix spurious System.out.println in AsyncAppender's worker thread. This issue was reported in LOGBACK-1292 by Nikolas Loutas with Thibault Meyer the relevant patch.
ConsoleAppender exception when run under Java WebStart. This problem was reported in LOGBACK-1282 by Clas Forsberg.