Unreal Engine Issues
Unreal Engine Issues
Non-Struct CDO component properties display incorrectly in the property editor.
UE - Gameplay - Blueprint - Aug 17, 2016UObjectProperty properties within a UActorComponent class aren't exposed for editing in the Details panel when choosing to edit native component defaults in the BP editor. ...
[CrashReport] Couldn't find Shader TShadowDepthVSVertexShadowDepth_OutputDepthPositionOnly
UE - Graphics Features - Sep 7, 2017This is a common crash that has occurred since at least 4.16. The one user comment mentions a plugin, but many of the crashes occur on vanilla builds. User DescriptionsVaTexAltlas plugin enabled i ...
Unloading level during PIE leads to editor crash
Tools - Dec 6, 2017Unloading level during PIE seems to lead to an editor crash. Most easily reproducible by enabling malloc stomp. ...
[CrashReport] UE4Editor_SlateCore!FHittestGrid::FindFocusableWidget<<lambda_3a8b364273a2882da220e6e492096c17>,<lambda_d0075a811a928600995d1b2de6795365>,<lambda_105424556dbaeebf7f5bf9bed3e2f737> >() [hittestgrid.cpp:397]
UE - Editor - UI Systems - Jun 18, 2018No user comments in crash group 394 for (StrideCellPoint[StrideAxis] = StrideAxisMin; StrideCellPoint[StrideAxis] <= StrideAxisMax; ++StrideCellPoint[StrideAxis]) 395 { 396 ** ...
Sequencer - Soft References do not work as payloads in Event Track keys, the endpoint event receives none/empty instead
UE - Anim - Sequencer - Jul 31, 2024In sequencer, an "event track" can be added to call functions/events defined in the Sequence Director Blueprint. The parameters for those endpoint functions/events can be sent as a Payload associate ...
Property "GameFeatureData.PrimaryAssetTypesToScan.Directories" should be tagged with "ForceShowPluginContent"
UE - Foundation - Oct 11, 2025When using a Game Feature Plugin, one of the settings available in the "GameFeatureData" DataAsset (class UGameFeatureData) is "PrimaryAssetTypesToScan", which is an array of FPrimaryAssetTypeInfo s ...
A build may fail in Visual Studio if a space is added after the # in an include pre-processor instruction to allow a struct in one header file to reference a struct in the other
UE - Foundation - Core - Sep 23, 2016A project building in Visual Studio will sometimes fail with the error Unrecognized type 'FBar' - type must be a UCLASS, USTRUCT or UENUM. This can occur in situations where one struct was reference ...
Hot Reload crash on PIE with custom AIController and Perception Component
UE - AI - Sep 29, 2015If a pawn in the level is using a custom AI Controller that sets the AIPerceptionComponent in code, the editor will crash on PIE after a hot reload. CrashReporter: [Link Removed] ...
Creating a Blueprint using "Event Tick" and adding a "Breakpoint" constrains the user's mouse cursor to the Blueprint editor window when pressing "Play"
UE - Gameplay - Blueprint Editor - Oct 2, 2017When adding a Breakpoint within the "Blueprint Class Actor" editor using "Event Tick," the mouse cursor becomes constrained within the editor window box immediately after pressing Play. The mouse cu ...
Clothing Pops on start and LOD switching
UE - Simulation - Physics - Character - Sep 6, 2018Clothing can have noticeable popping when switching LODs, and there is currently no mechanism to initially start cloth in a resting pose, causing popping on spawn. ...