Unreal Engine Issues
Unreal Engine Issues
[Reverb Effect] - Deactivate Reverb Effect Blueprint Doesn't Deactivate Reverb
UE - Audio - Aug 11, 2021When deactivating a reverb, it's removed from the Activated List, but doesn't get removed from being the active reverb. Confirmed occurs in 4.27 and 5.0 ...
No sound plays when using Built-In Spatialization or Simple ITD plugins
UE - Audio - Spatialization - Nov 10, 2021No audio can be heard when using the Built-In Spatialization plugin. This is a regression from 4.26. Occurs in 4.27 and 5.0. ...
Crash occurs while animating a control rigged actor in sequencer when drag selecting the actor in a orthographic view
zComponent - Archive - Dec 8, 2021This is a regression Tested in 4.27.2 Drag selecting a control rigged actor while in an orthographic view causes the editor to crash. ...
Editor crashes when keying a frame to an Animation from Pose with Appended Frames
UE - Runtime - Animation - May 17, 2022This is a regression. Tested in //UE4/Release-4.27 CL18319896 Editor crashes when keying a frame to an Animation from Pose with Appended Frames. ...
Instanced Editable Variables of type Blueprint Interface can't be set
UE - Editor - May 19, 2022This is a regression tested in //UE4/Release-4.27 cl 18319896 Instanced Editable Variables of type Blueprint Interface can't be set. ...
Adding a variable to a Structure after packaging then repackaging causes the package to fail
UE - Framework - Aug 12, 2022This is not a regression. Tested in //UE4/Release-4.27 CL18319896 Adding a variable to a Structure after packaging then repackaging causes the package to fail. ...
Changing a Mesh's Build Scale doesn't update the Mesh's Bounding
UE - Editor - Sep 8, 2022This is a regression tested in //UE4/Release-4.27 CL18319896 Changing a Mesh's Build Scale doesn't update the Mesh's Bounding to the same scale. ...
Light leaks when cast shadow disabled light is applied to the Hair material.
UE - Rendering - Features - Shadows - Feb 27, 2023There seems to be a leak in the ContactShadow determination in DeferredLightingCommon.ush ShadowRayCast(), but I could not determine if this is the specification. This problem always occurs from 4. ...
Interaction between sublevels and LevelSequences can break actors attachments hierarchy of the sublevel.
UE - Engine Scaling - Streaming - Aug 6, 2025Having a LevelSequence opened and unhiding a sublevel can break the attachment hierarchy of the actors that are inside the sublevel. This also affects to the sublevel asset itself. ...
Crash upon launching packaged game with Share Material Shader code enabled
UE - Graphics Features - Oct 27, 2017When launching a packaged game that has Share Material Shader Code enabled, the process will crash before opening. Regression?: Yes This issue does not occur in 4.17.2-3658906+++UE4+Release-4.17 Th ...