Unreal Engine Issues
Unreal Engine Issues
Upgrading Project After Disabling Light PropagationVolume Plugin Causes Crash
UE - Foundation - Cpp Tools - Plugin System - Apr 1, 2016Attempting to upgrade a project from 4.10 to 4.11, or 4.11 to 4.12 with the LightPropagationVolume plugin disabled causes it to crash. Found in converting a 4.10 project to 4.11, and reproduced con ...
[CrashReport] UE4Editor_D3D11RHI!VerifyD3D11CreateTextureResult() [d3d11util.cpp:276]
UE - Graphics Features - Mar 30, 2017This crash seems to be related to or a continuation of [Link Removed], where that specific CrashGroup stopped receiving new crashes after the 4.10 release. This one has occurred from 4.13 - 4.15 (s ...
Mesh reduction modules selection aren't properly applied on engine restart
UE - World Creation - Worldbuilding Tools - May 4, 2023Recent changes in the MeshReductionManagerModule::StartupModule() have introduced issues where it won't respect what reduction modules have been set in the config file. This is a big issue for plugi ...
Reset Instance Changes to Blueprint Defaults does not reregister components
UE - Framework - Blueprint Editor - Jan 17, 2024For map placed blueprint actors with components with property modifications, when triggering Reset Instance Changes to Blueprint Default from the actor instance's Details panel, any components with ...
Calling UMoverComponent::IsModifierActiveOrQueued() immediately after calling UMoverComponent::K2_QueueMovementModifier() will return false
UE - Gameplay - Player Movement - Mover - Mar 10, 2025Calling UMoverComponent::IsModifierActiveOrQueued() immediately after calling UMoverComponent::K2_QueueMovementModifier() will return false. Checking the code, IsModifierActiveOrQueue() calls FindMo ...
Command r.DebugSafeZone.Mode 0 does not disable overlays
Tools - Feb 19, 2020Running the console command r.DebugSafeZone.Mode 0 does not disable all overlays. The issue occurs when setting custom values in DefaultEngine.ini as well. Tested using the following settings: ...
Performance Drop Occurring During PIE When Blueprint is Open
UE - Gameplay - Blueprint - May 20, 2016Having a blueprint open during PIE causes a significant drop in performance. Having multiple blueprints open can almost render more complicated projects unplayable. The user has reported 120 fps wi ...
UX Regression on Open Asset Panel
Tools - Aug 31, 2015In 4.8.3, open asset would allow you to type the beginning on an actor name, then press the down key and select it. In 4.9 p4, it takes an extra down key press to get to the list; Upon first down a ...
Plugin fails to compile in 4.11 due to redefinition errors
UE - Foundation - Cpp Tools - Plugin System - May 10, 2016Plugin fails compile in 4.11 / 4.12 due to redefinition of class/struct type (locally). AH user reported LNK2005 error when compiling in 4.11 Regression: YES? - Project with the attached plugin co ...
Merge Actor Tool missing option to deselect Export Specific LOD
UE - World Creation - Worldbuilding Tools - HLOD - Jul 12, 2016In the new non-experimental version of the Merge Actors tool there is no option to disable "Export Specific LOD". In 4.11 when this was disabled it would merge the actors with their respective LODs ...