6.41.4 changelog:

*) led - fixed unused "link-act-led" LED trigger on RBLHG 2nD, RBLHG 2nD-XL and RBSXTsq 2nD;
*) led - removed unused "link-act-led" trigger for devices which does not use it;
*) netinstall - sign Netinstall executable with an Extended Validation Code Signing Certificate;
*) poe - do not show "poe-out-current" on devices which can not determine it;
*) poe - hide PoE related properties on interfaces which does not provide power output;
*) winbox - made UDP local and remote TX size parameters optional in Bandwidth Test tool;
*) winbox - show dual SIM options only for RouterBOARDs which does have two SIM slots;
*) winbox - use proper graph name for HDD graphs;
*) wireless - enable all chains by default on devices without external antennas after configuration reset;

Download the new 'RouterOS 6.41.4' version here: https://www.mikrotik.com/download