Unreal Engine Issues

ChaosWheeledVehicleMovementComponent is breaking the const CDO contract and changes to the instances are being applied to the CDO

As described by the licensee, the const CDO contract is being broken on ChaosWheeledVehicleMovementComponent. The issue the licensee is facing is that by spawning cars with different configurations, ...

1 frame flickering when creating UMG using Textblock, ScaleBox and Overlay

As a report of a similar issue, changing the text to right-aligned causes a similar issue. This issue seems to have been occur by a change in CL7540157. It also seems to be improved by adding the p ...

[Console Commands] - au.debug.sounds.sort priority shows all sounds as priority 1.0 when volume scaling is bypassed or sound is 2D

The priority display does not correctly reflect the set priorities of sounds when they are not being attenuated or when Bypass Volume Scale for Priority is Enabled. If a sound is attenuated and scal ...

Rapid Memory consumption when adjusting slider value for Blueprint in Details Panel

When a Planar Reflection component has been added to a Blueprint that has adjustable sliders that can be edited via the Details panel that updates the Blueprint via the construction script the memor ...

Rendering of a Text Widget with Outline does not track LayerId correctly

Text widget with Outline uses 2 LayerId levels to draw the outline and the text glyphs. This can be seen in function FSlateElementBatcher::AddShapedTextElement(), where lambda BuildFontGeometry() is ...

Using GeoMerge on fragments of a GeometryCollection (GC) will create a new single particle while removing the old particles, but although you end up with less particles, the disk file size of the GC uasset increases.

Using GeoMerge on fragments of a GeometryCollection (GC) will create a new single particle while removing the old particles, but although you end up with less particles, the disk file size of the GC ...

[CrashReport] PhysX3PROFILE_x64!physx::Sc::BodySim::activateInteractions() [scbodysim.cpp:496]

This is a common crash affecting users in 4.16. The callstack is very similar to [Link Removed], which has previously been fixed. User DescriptionsTesting destruction of generated destructables. T ...

Landscape leaking when using ParallelInitView 1

see step ...

Spawn Burst Instantaneous Doesn't Work with Emitter.NormalizedLoopAge Spawn Time Set to 1

[CrashReport] UE4Editor_LevelEditor!FLevelEditorActionCallbacks::Paste_CanExecute() [leveleditoractions.cpp:1602]

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: GEditor->GetSele ...