Unreal Engine Issues
Unreal Engine Issues
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Default subobject of dynamic component skips initial replication
UE - NetworkingBecause the component's subobjects are replicated before the component, the content block for the subobject is received before the component h...
Swapping the Child Actor Class of a ChildActorComponent back to a previously selected BP leads to an Editor crash from illegal Renaming
UE - Gameplay - ComponentsA fatal error occurs if we change a Child Actor Class from one BP (ex. "BP_A") to a different BP ( ex. "BP_B") and later change it back to the...
Assert in MoviewPipelinePIEExecutor when cancelling movie scenes during rendering
UE - Anim - Sequencer - MRQWhen rendering a single Level Sequence with MRQ, removing the Level Sequence that is actively rendering will create an array out of bounds exc...
Partially loaded level instance becomes fully loaded after editing nested level instance
UE - World Creation - Worldbuilding Tools - Level InstancesOnlineServices-Lobbies: Crash when host migration message is received and the next host has already left the session
UE - OnlineA crash occurs at FindChecked in the code below.if (PreparedServiceChanges->OwnerAccountId) { InternalPublicData->OwnerAccountId = *Prepa...
Nanite Landscape in World Partition level has inconsistent Painted Layers
UE - LD & Modeling - Terrain - LandscapeIt appears that painted Weightmaps have inconsistent mappings between Nanite and regular landscape, BUT only if those landscapes are created i...
Blend Space Graph node doesn't display fast path icon
UE - Anim - Runtime - Anim BlueprintsBecause SGraphNodeBlendSpaceGraph inherits from SGraphNodeK2Composite rather than UAnimGraphNode_Base as with most anim nodes, we aren't able ...
UE 5.4 - Specular/reflection disappears above 4096 resolution render
UE - Rendering ArchitectureAfter a viewport is more than 4096 pixels wide, Lumen's specular reflections buffer cuts its width off at 4096 pixels. It appears that the af...
GPU ribbon links can occasionally fail
UE - Niagara - RenderingSometimes GPU ribbons will link between one another like this, checking in the debugger you can see that the RibbonIDs are different. [Image ...
Unreal Editor 5.4.4 crash when reproducing a LevelSequence in loop while PIE.
UE - Anim - SequencerA crash inside Unreal Engine Editor version 5.4.4 occurs when reproducing a Level Sequence while in PIE. This issue is a regression. It only c...