Unreal Engine Issues
Unreal Engine Issues
Crash during save level and successive load level
UE - LD & Modeling - Terrain - Landscape - Apr 4, 2018Changing the Max LODLevel on a landscape causes a crash in content examples. ...
Potential Memory Leak with Disaster Recovery Plugin
Tools - Aug 12, 2019Enabling the disaster recovery plugin causes a memory leak when importing and editing a large amount of textures. This can result in either a system lockup or a crash. ...
GAS: Ability that destroys owning actor on activate causes crashes due to ABILITYLIST_SCOPE_LOCK
UE - Gameplay - Gameplay Ability System - Oct 31, 2023A 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.
UE - Gameplay - Input - Mar 12, 2025Instanced subobjects are not always instantiated as expected.
UE - Gameplay - Blueprint - Aug 13, 2015Instantiation 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
Tools - Nov 2, 2015In 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
UE - Gameplay - Nov 30, 2015Crash occurs when the user triggers the SetScalarParameterValueOnMaterial function node. ...
Translucent material can't get valid custom depth RT on mobile platform and pc preview
UE - Platform - Mobile - Sep 18, 2019Crash in Network Prediction during PeriodicDamage GameplayEffects Test
UE - Networking - Jan 27, 2021Crash during Periodic Damage test for Gameplay Abilities system in the Network Prediction plugin, when both plugins are enabled. Related to a null GameInstance. ...
Path Tracer Normals Issue
UE - Rendering - Features - Path Tracer - Oct 29, 2025Path Tracing normal maps reflect light differently than Lit, and do not look accurate. Also observed in //UE/Release-5.6, CL: 45232827 ...