Unreal Engine Issues

Non-deterministic packaging when iostore is enabled

There appears to be a pattern of non-deterministic cooks when packaging with multiple chunks. In the case of these reproducible steps, only the assets of chunk1 have been modified. In this case, we ...

Changing the codec of a Curve Compression Setting asset results in a crash

When creating a Curve Compression Setting asset and changing the codec from Compressed Rich Curves to either Uniform Indexable or Uniformly Sampled the editor crashes. Tested in //UE4/Release-4.26 ...

Detaching part of the Visual Logger window and then closing the Visual Logger tab causes a crash

It seems that when a section of the Visual Logger is detached from the window as a whole and then that window is closed when docked next to the Content Browser, then the engine crashes. However, whe ...

Typo in water body ocean materials parameter

In Water_Material_Ocean material, there is a typo under FluidSimulation that says "Siulation Flowmap Speed" This is not a regression due to it occurring in 4.26.2. ...

Connection/Disconnecting an integer pin to a divide node causes the pin literal value to fail

This only happens when you connect a pin, then disconnect it and try to compile again. ...

[Spatialization] - When a sound starts playing while the listener in in the Binaural Radius, when they exit the sound stops playing

If a sound starts playing while the listener is inside the binarual radius, the sound stops abruptly when they leave the radius. Does not occur if the listener starts in the binaural radius. Does no ...

Crash when changing levels to a another with world partitions.

Crash when opening a level through blueprint to go into level with world partitions enabled.  This a not a regression due to being a new feature.  ...

Baking transforms multiple times on the same object results in multiple transform tracks

When baking we only look for the first transform track to mute, so if there are more than one, only one will be muted. ...

Navmesh generation does not work in landscape in Lazy mode.

Movie Render Queue dirties Sequences and Requests checkout after a render

This seems to be a regression of [Link Removed] ...