Unreal Engine Issues
Unreal Engine Issues
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Iris: CurrTimeMS in FReplicationReader::ResolveAndDispatchUnresolvedReferences saturates on ARM64, so unresolved handles never move to the cold cache
UE - Framework - NetworkingIn FReplicationReader::ResolveAndDispatchUnresolvedReferences, CurrTimeMS is computed as static_cast<uint32>(FPlatformTime::Seconds() * 1000.0...
Missing textures on FBX import
TM - InteroperabilityReported in SF [Link Removed] When importing some FBX files, the materials may be missing textures when using the Interchange importer. The a...
BundledPSOs crash in 5.8 when trying to load .spc file
UE - Rendering - RHIPOST LINK: https://forums.unrealengine.com/t/bundledpsos-crash-in-5-8-when-trying-to-load-spc-file/2746430 POST BODY:Summary Game packaging c...
Crash when CharacterMovementComponent's CapsuleTouched processes overlap with a GeometryCollectionComponent
UE - Runtime - CharacterPOST LINK: https://forums.unrealengine.com/t/crash-when-charactermovementcomponents-capsuletouched-processes-overlap-with-a-geometrycollection...
Editor crash (unhandled assert) when changing blend mode on a material assigned to a Nanite static mesh
UE - Rendering - Features - NanitePOST LINK: https://forums.unrealengine.com/t/editor-crash-unhandled-assert-when-changing-blend-mode-on-a-material-assigned-to-a-nanite-static-...
[PCG Mode] Tool actors spawned by PCG Editor Mode tools ignore the current level and are always created in the PersistentLevel
UE - Graphics Tools - PCG - Procedural ToolsSummary In a non-World-Partition map with streamed sublevels, PCG Editor Mode interactive tools (Draw Spline / SpacingTool, Area, Paint, Volume...
Open Formats: glTF Import - importer truncates skeletal mesh bone influences to 4 per vertex
UE - VEI - Open File Formatscf https://forums.unrealengine.com/t/interchange-gltf-importer-truncates-skeletal-mesh-bone-influences-to-4-per-vertex/2745391/2 Original mes...
[5.8] Cherry-pick CL 55798320: re-precache PSOs in ULandscapeComponent and UGroomComponent OnRegister (fixes bPSOPrecacheCalled ensure on re-register)
UE - Rendering - RHIIn 5.8, UPrimitiveComponent::OnUnregister resets FPSOPrecacheComponentData, which clears bPSOPrecacheCalled (regression from CL 48140040). ULa...
Skeletal mesh LODs never stream up under SSAM: FSkeletalMeshSceneProxy caches ForceStreamedLOD and is never re-gathered
UE - Engine Scaling - StreamingUE 5.8, cooked build, SSAM enabled (s.StreamableAssets.UseSimpleStreamableAssetManager=1, required by FastGeo). Symptom: characters spawn at ...
Mutable Chaos Cloth breaks when culling mesh affects mesh sections with cloth
UE - Runtime - MutableEncountering an issue since we updated to UE5.8 where characters whose cloth mesh sections have vertices culled will cause mesh degradation in...