RouterOs v7.1 stable does not accept ipv6 default route

RouterOS RouterOS beta
1

RouterOs v7.1 stable doesn’t accept ipv6 default route, when I downgrade to 6x version, it accepts default route normally.
Screenshot_1.jpg

2

Flags: F - filtered
Probably start there?

3

It’s a known BUG, as workaround you should use Terminal to set ipv6 default Gateway.