I observed it on EU_3 to make sure i'm right. I am unable to recreate it when i want, but when i press rmb all the time, the shield goes down for some amount of time and stay this way for a short amount of time.
It might be my mouse or something else from my side, but it may be also something with launcher.
crpg_beta_config.inicrpg_beta_log.txtSteps to replicate: equip shield. stand in place holding down block. move mouse around from left to right fast. (you can hold attack too, it's easier to see it as you normally can't).
Can it be caused by low upload speed?
I tested it on regular client too, the problem is not related to new client - on regular i also have the issue. I think it wasn't there (so glaring, or at all) before .18 version.