Unreal Engine Issues

Crash when adding an Event Write node to a Niagara Scratch Pad module

It seems that the crash is related to all of the "Write" events. I tested the Event ChaosDestruction Write, Event Float Write, and Event Bool Write and all 3 caused the crash, but their "Read" count ...

Fast Path pin update can break when anim BP compilation generates warnings

It seems that a Anim BP that generates a warning will break the updating of pins that are connected via fastpath in other parts of the graph. This was reported on the following UDN: [Link Removed] ...

HeaderMarkForPacketInfo.GetNumBits() == 0 when closing NetConnection during Tick

Licensee reported getting this error on PS4 after losing internet connection or putting the console into rest mode. See linked UDN for callstack. The NetConnection calls Close during its Tick, due ...

FDistanceFieldAsyncQueue crash during cook with MetaHuman Hair assets

Groom/hair "exploding" in multiplayer mode (PIE Listen Server + 2 Players)

When the sequencer is shot, the constraint Binding ID becomes an unresolved binding

This problem is not reproduced in 4.25. ...

SkyLight IBL looks blurry on Android

Dynamic material is not discarded when other sub-sequences are played while the master sequence is playing

Control Rig: Setting the components of a Vector in the graph can overwrite the default values of other variables

It seems that setting the component values of a vector via a Set node in Control Rig can effect the default values of other blueprint variables in the Control Rig. See the attached video for more d ...

A crash can occur when modifying a user-defined struct asset that's indirectly accessed through a variable node.

If a user-defined struct-type variable is declared in one Blueprint, and that variable is then indirectly accessed in a second Blueprint through a reference to the first Blueprint, modifying the str ...