[confirmed]Umezawa's Jitte bad combat damage

[Nexhro]

Describe the Bug:
When a creature equipped with Umezawa's Jitte attacks, is blocked by multiple creatures, and its controller chooses to distribute combat damage among 2 or more of said blocking creatures, Umezawa's Jitte recieves 2 charge counters for each creature the equipped creature deals combat damage to.

Example: An attacking Hill Giant equipped with Umezawa's Jitte is blocked by three 1/1 creatures and deals 1 damage to each of them. In this scenario, 6 charge counters are put on Umezawa's Jitte.

Which card did behave improperly ?
Umezawa's Jitte

Which update are you using?(date,name)Which type(Duel,Gauntlet,Sealed Deck)
JOU, duel

What exactly should be the correct behavior/interaction ?
Two charge counters are put on Umezawa's Jitte when a creature equipped with it deals combat damage to multiple blocking creatures simultaneously.

Are any other cards possibly affected by this bug ?
Possibly Banshee's Blade.