Unreal Engine Issues
Unreal Engine Issues
Literal Gameplay Tag Container's Return Value does not have ParentTags
UE - Gameplay - Oct 16, 2017Literal Gameplay Tag Container's Return Value does not have ParentTags in 4.17 and 4.18. In 4.16, the value had it. There is same problem in Return node that is Gameplay Tag Container Structure. In ...
Crash inside GetActualComponentTemplate() during Blueprint nativization.
UE - Gameplay - Blueprint - Nov 15, 2017Report of a crash happening during Blueprint nativization with a specific project, appears to be related to an inherited component template. Unable to repro in a new project. Callstack is noted. ...
iPadPro2 Splash Screen distortion on app Launch
UE - Platform - Mobile - May 7, 2018iPadPro2 splash screen distorted on app launch. Looks like there is a fix for this in FN branch that can be brought over. Engine/Source/Runtime/ApplicationCore/Private/IOS/IOSAppDelegate.cpp http ...
Screen Aligned(Velocity) particles deform at low velocity
UE - Niagara - Nov 22, 2019Screen aligned particles with very low velocity will squash in 4.23+ (No squashing in 4.22) Confirmed in 4.25 MAIN at CL 10333042 ...
'recompileshaders changed' doesn't work
UE - Graphics Features - May 7, 2021The issue is already fixed in UE5 by CL 14368553. This Jira is created for cherrypick into UE4 ...
Crash in FMacApplication::FindScreenByCocoaPosition when using the mouse in the ILIAD plugin.
UE - Platform - Apple - Aug 18, 2021I think this could occur anytime but is probably very rare. However using this plugin from the reported UDN makes it much easier to repro as they are calling FMacApplication::ConvertCocoaPositionTo ...
[CrashReport] UE4Editor-MovieSceneTracks!UMovieSceneComponentMobilitySystem::RestorePreAnimatedState
UE - Anim - Sequencer - Sep 13, 2021[CrashReport] UE4Editor-MovieSceneTracks!UMovieSceneComponentMobilitySystem::RestorePreAnimatedState(IMovieScenePreAnimatedStateSystemInterface::FPreAnimationParameters const &) [MovieSceneComponent ...
When rendering a reflection capture, the lightmap may be rendered without finishing streaming.
UE - Graphics Features - Oct 5, 2021This problem occurs when you do a lighting build. It does not occur when the reflection capture is done by itself. ...
GPU Crash may occur when using Nanite Tesselation on landscape with several shadow casting local lights
UE - Graphics Features - Nanite - May 5, 2025The GPU may time out in NaniteSplit when drawing VSM shadows for Nanite Tessellated landscape with in a scene with several local shadowed point lights. The issue doesn't reproduce in 5.6, likely to ...
SetTextureParameterValue stopped working with Dynamic Material Instances (from Blueprints)
UE - Graphics Features - Mar 28, 2016Textures in Post Process Blueprints do not update with Dynamic Material Instances. Scalar and Vector Parameters update as expected, but Textures do not. Note This was attempted with both a materi ...