Spartan Xyphos aura not increasing actual attack

Age of Empires II: DE II - Report a Bug
3

Seems that after all this time the bug is still there. Here are some pics:

Xyphos bug part 1
Xyphos bug part 11920×1080 443 KB

Xyphos bug part 2
Xyphos bug part 21920×1080 458 KB

Xyphos bug part 3
Xyphos bug part 31920×1080 463 KB

Xyphos bug part 4
Xyphos bug part 41920×1080 431 KB