Version 6.39rc13 has been released,
Changes since previous version:
*) capsman - fixed SGI (Short Guard Interval) support;
*) dude - (changes discussed here: http://forum.mikrotik.com/t/the-dude-v6-39rc-test-builds/104888/1);
*) firewall - added “fasttrack” dummy rule to “/ip firewall raw” table;
*) ike2 - also kill IKEv2 connections on proposal change;
*) ike2 - fixed ph2 state when sending notify;
*) ike2 - fixed proposal change crash;
*) ike2 - fixed responder TS updating on wild match;
*) ipsec - keep policy in kernel even with bad proposal;
*) ipsec - kill ph2 on policy removal;
*) lte - added support for Vodafone R216 (Huawei);
*) switch - fixed crash when trying to configure second master port on the same chipset (RB3011, RB2011, CCR1009-8G-1S+);
If you experience version related issues, then please send supout file from your router to support@mikrotik.com. File must be generated while router is not working as suspected or after crash.