New version 7.1beta3 has been released in development RouterOS channel:
/system logging add topics=dns
Yes.This is supposed to fix "ipsec,error Mikrotik: got fatal error: INVALID_SYNTAX"?*) ike2 - fixed phase 1 rekeying (introduced in v6.45);
Works well on all my devices. Thanks Mikrotik for the update!
Closing the topic for now.Current state of GUI (WebFig and Winbox) are not completely up to date in RouterOS v7. Report only issues visible in console.