Unreal Engine Issues

Cvars sections in Sequencer behaving incorrectly when using MRQ

Some key lines in the code:Engine\Source\Runtime\MovieSceneTracks\Private\TrackInstances\MovieSceneCVarTrackInstance.cpp:177 --> Apply   CVar when entering sectionEngine\Source\Runtime\MovieSceneTra ...

Undo change to Rest Offset causing crash in Static Mesh Editor

When undoing any change to Rest Offset for a collision mesh the engine will crash. This issue is occurring in Binary //UE5/Release-5.3 @ CL 26560699 This issue is occurring in Binary //UE5/Release- ...

Issue with Niagara MeshRenderer

Blueprint actor component properties do not automatically flush dormancy when set

UK2Node_VariableSet::ShouldFlushDormancyOnSet only returns true for classes that derive from AActor. This leads to inconsistent behavior, as the owning actor will not have FlushNetDormancy called on ...

Chorded Trigger evaluation can be evaluated to unexpected results in some specific cases

Cannot change collision presets in BP instances.

Even with the “Editable when Inherited” flag set in the blueprint class static mesh component, the BP instance collision preset cannot be set to one different from the BP class collision preset. The ...

The pak file specified in PakFileRules is not created correctly

The rules by which chunks are created are ambiguous and currently do not ensure that both PakFileRules and PrimaryAssetLabel settings are reflected. In this sample, depending on the PrimaryAssetLabe ...

Mesh deformed by Cable Component does not output velocity

The velocity when moving the root is output, but it seems that the velocity for each deformation is not output. Since motion blur and TSR use velocity, problems such as ghosting may occur. ...

"Used with Particle Sprites" prevents material instances thumbnails from being editable

The thumbnails helpers will force material instances to be a plane, if their parent material is unedited. This can be worked around by editing the parent material, but editing the material instance ...

Sound Attenuation settings do not function when Allow Spatialization is False

Override Sound Attenuation setting does not work, Sound will play at max volume regardless of distance between source and observer. ...