Unreal Engine Issues

memory leak from incorrect PhysX shape ref counting

PxShapes are created with a ref count of 1, and it is up to the caller to decrement this once the shape has been attached to an actor. There are a handful of places in the code in which this doesn' ...

Crash during save level and successive load level

Changing the Max LODLevel on a landscape causes a crash in content examples. ...

GAS: Ability that destroys owning actor on activate causes crashes due to ABILITYLIST_SCOPE_LOCK

A GameplayAbility that destroys its owning actor inside ActivateAbility() causes a crash, because actor destruction will modify the ability list but ActivateAbility() is called within an ABILITYLIST ...

IMC incorrectly retains the state of a modifier set in a lower priority mapping context.

Instanced subobjects are not always instantiated as expected.

Instantiation of subobjects does not behave as expected when using the DefaultToInstanced UCLASS specifier. The licensee that reported the issue provided a sample project with some ensures added whe ...

[4.10 P2] UI is offcenter for dropdown menus and tooltips in editor

In Windows 10, on a system set up with 2 970GTX GPUs in SLI, the dropdown menues from the main navigation tabs will be offset and to the lower left of the screen when selected. ...

Crash triggering SetScalarParameterValueOnMaterial node

Crash occurs when the user triggers the SetScalarParameterValueOnMaterial function node. ...

Translucent material can't get valid custom depth RT on mobile platform and pc preview

Crash in Network Prediction during PeriodicDamage GameplayEffects Test

Crash during Periodic Damage test for Gameplay Abilities system in the Network Prediction plugin, when both plugins are enabled.   Related to a null GameInstance. ...

Play rate track does not work when using CreateLevelSequencePlayer

Play rate track does not work when using CreateLevelSequencePlayer Regression: YES Worked: 4.12.5 CL:3039270 Broken: 4.13.1 CL:3142249 ...