Unreal Engine Issues
Unreal Engine Issues
Crash editor when many sequencers are opened continuously
UE - Graphics Features - Dec 3, 2020Get crashed in editor when opening many sequencers using the EditorUtilityWidget,. It's not in UE4.25.3, but it crashes in UE4.25.4. And it only occurs when NVIDIA Aftermath (r.GPUCrashDebugging=1) ...
AnimNotifyState with the same class, but different content at the same time will only one be triggred
UE - Anim - Runtime - Oct 26, 2022UDN Case : https://udn.unrealengine.com/s/question/0D54z00008G3EmwCAF/two-c-based-animnotifystate-with-the-same-class-but-different-content-at-the-same-time-will-only-one-be-triggred?fromCase=1 ...
Animation Layer Interface content filter overrides other content filters
UE - Editor - Workflow Systems - Jan 30, 2023Animation Layer Interfaces are overriding the filter making it so only that asset type is visible even when paired with other filters. There is an exception to this with the blueprint interfaces fi ...
CopyFileUnderSourceControl Fails on Already Resolved Files
UE - Editor - Workflow Systems - Apr 12, 2023CopyFileUnderSourceControl has instances when the response is not a success even though the files are copied successfully under source control. It seems FPerforceCopyWorker::Execute() tries to reso ...
Actor Soft Reference in LevelInstance does not have a Referenced Object during PIE
UE - World Creation - Worldbuilding Tools - Level Instances - May 30, 2023When setting an actor on a level to the SoftObjectRefence(Type:Actor) variable and outputting the object name as a PrintString, the object name cannot be correctly obtained if the set actor is place ...
UDataTableFunctionLibrary::AddDataTableRow() fails for blueprint-defined row structure types
UE - Framework - Blueprint - Feb 2, 2024The editor-scripting blueprint node "Add Data Table Row" fails when the Data Table uses a Row Structure that was defined in blueprint. Internally, it checks if the passed-in UScriptStruct is derived ...
Unable to change Actor Coloration View Modes in PIE
UE - World Creation - Worldbuilding Tools - Jul 20, 2025When in PIE changing Actor Coloration view modes from the viewport visualisation mode [Liit] -> [Actor Coloration] -> ... Does not update correctly when switching view mode and sometimes isn't corr ...
Crash occurs when opening FP_Walk_Fwd in the First Person Template
UE - Anim - Runtime - Sep 12, 2023This is a regression. Tested in //UE5/Release-5.2 CL26001984 Opening the FP_Walk_Fwd animation in the first person template results in an assertion. ...
When set the current language and asset group to different languages, the asset group will not work
UE - Editor - UI Systems - Localization - Nov 22, 2020When set the current asset group language in a particular process, the asset refers to the "source asset" and output warning log. LogPackageLocalizationCache: Warning: Skipping the cache update for ...
Loops don't work with SimpleParallel BT composite node
UE - AI - Dec 16, 2014Loop decorators don't work with SimpleParallel BT composite node. We need to either fix it, or if we remove support for it restrict users from putting these decorators on SimpleParallel's children. ...