Unreal Engine Issues
Unreal Engine Issues
Assertion opening blueprint with HISMC created in 4.11
UE - World Creation - Worldbuilding Tools - Foliage - Jun 7, 2016After project was upgraded to 4.12 opening a blueprint that contains Hierarchical Instanced Static Mesh component will result in a crash. From the log I this is the important part: Assertion faile ...
Painted Foliage Instances Randomly Culling in Splitscreen Multiplayer
UE - World Creation - Worldbuilding Tools - Foliage - Mar 15, 2017Foliage instances are behaving strangely when playing splitscreen multiplayer in a single instance window. The instances will cull in and out of visibility depending on the size of the current playa ...
Array of Instanced Objects on Component Does Not Propagate to Children Correctly
UE - Foundation - Core - UObject - Jun 6, 2017Attempting to add an entry to an array of instanced objects is not correctly displaying that entry in a child class based on that actor. It is expected that the inherited component in the child acto ...
Value of Mass In Kg is multiplying in value when clicked
UE - Simulation - Physics - Jul 27, 2017When changing the value of Mass In Kg for a child of a Skeletal Mesh Actor, the value is getting multiplied with every select, deselect, and enter press on the value. The number the value is multipl ...
Reset to default arrow doesn't appear for BP Struct variables in Blueprints
UE - Gameplay - Blueprint Editor - Sep 22, 2017When a variable of a struct is added to a blueprint, the reset to defaults arrow does not appear when the variable values and struct defaults differ. Note: A child of (or placed instance of) the bl ...
TPropertyValueIterator skips TMap values when KeyType is a UStruct
UE - Foundation - Core - May 7, 2018From https://udn.unrealengine.com/questions/431271/tpropertyvalueiterator-skips-tmap-values-when-keyt.html The property value iterator has logic where it tries to iterate over all properties in a s ...
Sequencer does not save asset variables in event struct
UE - Anim - Sequencer - Jul 31, 2018When adding a struct to a keyframe, Object Reference variables are not saved and Soft Reference variables are saved sometimes. Opening a keyframe's properties when the selected struct has an object ...
Crash caused by Buffer Overread in TBitArray operator < function
UE - Foundation - Core - Aug 29, 2018A licensee has reported a crash that is caused by a Buffer Overread in TBitArray's operator < function. While the licensee did not provide reproduction steps, the crash is apparent from looking at t ...
Crash on loading pre-4.20 cloth data when compute skin cache is enabled in 4.21
UE - Graphics Features - Mar 19, 2019According to information from the licensee, the else clause was added to "FSkeletalMeshLODModel::(GetClothMappingData()" at CL 4437969 , but if it is the cloth data existing from 4.20 or earlier, it ...
Compile on load crashes for classes within an abstract class
UE - Gameplay - Blueprint Compiler - Feb 20, 2021When compiling on load in -game, a blueprint class that inherits from a native class that is marked within and the class that it is within is abstract, a crash will occur when FBlueprintCompilationM ...