Unreal Engine Issues
Unreal Engine Issues
The Editor crashes when adding an element to a TMap that uses an unhashable struct as a key
UE - Gameplay - Blueprint - Feb 28, 2017The Editor crashes if an unhashable struct is used as a key in a TMap and a new element is added to the TMap in a Blueprint. ...
Invalid access location compressing a BC6h texture in the editor
RAD - Oct 29, 2024Large texture crashes during Oodle compression with "-stompmalloc". It appears to be an internal Oodle error. Also tested on //UE5/Release-5.5/, CL: 37463908 ...
Crash occurs in the Editor when multiple instances of the same Blueprint are selected in the level and the Reset to Default button next to a component of the Blueprint is clicked in the Details panel
UE - Gameplay - Blueprint - May 4, 2017When multiple instances of a Blueprint in a level are selected, any component added to that Blueprint's parent class in code will appear in the Details panel with the words "Multiple Values" and a R ...
Crash when updating instanced subobjects in a USTRUCT
UE - Gameplay - Blueprint - Jul 5, 2017Attempting to edit array of instanced subobjects causes the editor to crash. ...
Opening a data table based on a struct with a slate brush variable crashes the editor
UE - Editor - UI Systems - Slate - Feb 1, 2016Attempting to open a data table based on a struct with a slate brush variable crashes the editor. Frequency: 2/2 CrashReporter: N/A ...
Crash when using EditConditionHides with a struct in an array
UE - Editor - Workflow Systems - Jun 8, 2021A crash can occur in FStructurePropertyNode::GetValuePtrOfInstance when using EditConditionHides with arrays of structs. When deleting an element from the array, ParentBaseAddress will be null. ...
Free physics constraints between two objects of differing size causes smaller object to jitter
UE - Simulation - Physics - Sep 13, 2023A cube constrained to a physics actor will start to jitter uncontrollably when interacted with. (see attached media and repro steps for more details) Tested in the following //UE5-Release-5.3-CL ...
Crash when changing the AnimNotifyState property after moving the AnimNotifyState range added to AnimMotage
OLD - Anim - Jul 5, 2019NotifyStateClass may be nullptr when AnimNotifyState and AnimNotify swap occur in NotifyTrack. Workaround: SAnimNotifyPanel.cpp void SAnimNotifyPanel::OnPropertyChanged(UObject* ChangedObject ...
Assertion occurs when undoing a Child State's unparenting from another Child State in AI State Trees, leading to a crash.
UE - AI - StateTree - Apr 15, 2022Assertion occurs when undoing a Child State's unparenting from another Child State. Repro Rate: 5/5Assertion failed: false [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Public\Widgets\Views ...
Failing to compile will cause blueprint variables to reset to their default values
UE - Gameplay - Blueprint - Jan 18, 2016If a user creates a variable and sets it to a value that is not the default and then gets an error that prevents the blueprint from compiling, this will cause the variable to be reset to it's defaul ...