Unreal Engine Issues
Unreal Engine Issues
"Move to Level" of Landscape Tool leads component scale mismatch
UE - Graphics Tools - Terrain - Landscape - Feb 12, 2026In UE 5.7.2, when moving a Landscape Component to a sub-level using Landscape Mode > Manage > Move to Level, the proxy transform is not synchronized with the root Landscape when the KeepWorldTransfo ...
Division by zero causing NaN/Inf on USkeletalMeshComponent::UpdateRigidBodyScaling() when setting scale to zero and back
UE - Anim - Rigging - Feb 11, 2026Up to UE 5.5, skeletal mesh physics did not get updated when the component's scale changed. This was improved on January 2025 with CL 39190335, which addressed [Link Removed] ...
Enum Compare Condition causes crash when resetting default value of right field in State Tree's Enter Conditions
UE - AI - StateTree - Feb 11, 2026In FStateTreeCompareEnumCondition::GetDescription, the Left.Enum value is mistakingly used when setting the RightValue. This causes crashes when resetting the default value of the Right field in an ...
FDetailGroup::AddGroup does not correctly apply the default expansion state for DetailGroups
UE - Editor - Workflow Systems - Feb 10, 2026There is a bug affecting DetailGroups in the engine. When adding child DetailGroups to a parent DetailGroup, the expansion state does not behave as expected and ignores the flags intended to control ...
Directly opening a modified map asset of a streaming sublevel does not always force it to be reloaded (inconsistent with other map open behaviors)
UE - Editor - Feb 10, 2026When the level currently being edited has unsaved changes and the user opens a new one, the Editor asks if the changes should be saved. If the user answers negatively, the level asset is reverted to ...
Using VSM and Distance Field Shadows on the same scene results in missing shadows
UE - Rendering - Graphics Features - Shadows - Feb 9, 2026Nanite geometry does not cast Distance Field Shadows outside of the clipmap range for Virtual Shadow Maps. Non-Nanite geometry does cast these shadows. ...
MRG - Additional Post Process Render have a black alpha channel
UE - Virtual Production - Tools - MRQ - Feb 7, 2026Additional Post Process renders always have a black alpha channel ...
Landscape HLODs are broken in 5.7.2 (Github Release branch)
UE - World Creation - Worldbuilding Tools - HLOD - Feb 6, 2026Landscape HLODs are broke when build from Editor. See repro steps above. I have not provided a repro project as it uses the open world starter map. Note that current Main has additional bugs that o ...
Chaos Cloth - Multiple issues with convex colliders
UE - Simulation - Visual - Feb 6, 2026Issue 1: Convex Collision Transformation Missing for External Collision Sources Issue 2: Convex CCD Stability Issues due to Plane Intersection Semantics See attached URL for more details. ...
Object Columns using soft asset references will return null results
UE - Anim - Gameplay - Feb 6, 2026We have encounter an issue in the Chooser when we setup output object column for soft reference object ptr (an optional montage object). It is working correctly when the montage is loaded. But befor ...