What is this bug?

When holding a block for example and switching to a weapon or anything with a changed weapon cool down, the animation lags back.

How do I reproduce it?

Hold any item has the default attack cool down (any block) then switch to a sword or mace for example. The mace’s hand animation and cool down bar lags back after a few milliseconds.

Expected Results:

Instant and smooth switch between an item and a weapon

Actual Results:

Weapon animation lags back a few milliseconds after switching to it from an item.