Casting activity of NPC targets

[dx2]

As this is new since GU58 which was released lately, I would like to know if others also encounter a certain problem with this new casting bar getting interrupted/disappearing with the npc ability finishing casting anyway

If you do not know where it is yet, at least for profitui it's positioned on the target and implied target window which might be also be the position for the default ui.

I observed this only during raids though but cannot locate the reason for this happening.

So anyone else seen this happening ?