Unreal Engine Issues
Unreal Engine Issues
Null access to Unpossessed controller with seamless travel
UE - Gameplay - Mar 9, 2019The unpossessd controller will not be removed from UWorld::ControllerList unless destroyed. This causes null access to the ControllerList when GC occurs during seamless travel execution. The unposse ...
Rounding errors are present in FJsonValue::TryGetNumber(int64&) and FMath::RoundHalfFromZero()
UE - Foundation - Core - Mar 8, 2019A licensee reported a bug in rounding of a call to FJsonValue::TryGetNumber(int64&) with large values. In investigating this, it appears that equivalent problems also exist in FMath:: rounding func ...
Assertion failed in DX12 RHI after instancing actors
UE - Rendering Architecture - RHI - Mar 8, 2019It doesn't happen with the DX11 RHI ...
MDL imported from Substance Source with Datasmith causes a crash
UE - Editor - Content Pipeline - Import and Export - Mar 8, 2019MDL downloaded from Substance Source causes a crash. This is reported on UDN by an Enterprise customer: https://udn.unrealengine.com/questions/487598/why-would-ue4-is-always-crashing-when-import ...
Nested struct splitting gives incorrect node input for fast path
OLD - Anim - Mar 8, 2019When any of the inputs to a fast path node are connected from a struct member from multiple splits or splits combined with breaks, all input connections to the node will be effectively ignored, inst ...
Disabling DBuffer Decals causes Decals not to render
UE - Graphics Features - Mar 8, 2019Disabling the Decal DBuffer in the Project Settings>Rendering causes the Decals to not render on geometry that overlap their respective Decal Actor. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5 ...
Using more than a single break node disables fast path
OLD - Anim - Mar 7, 2019Using more than a single break struct node in sequence (despite no break nodes performing calculations) disables fast path. Splitting structs instead does not cause this issue. ...
When using Lighting Scenario, loading order will affect how it's applied to the instances
UE - World Creation - Worldbuilding Tools - Foliage - Mar 7, 2019When using Lighting Scenario, loading order will affect how it's applied to the instances, resulting in corruption if content is loaded after the lighting scenario ...
Project configured to spawn Niagara system via Character blueprint in a Code project fails to Cook, then crashes project on open
UE - Niagara - Mar 7, 2019Project configured to spawn Niagara system via Character blueprint in a Code project fails to Cook, then crashes project on open Discovered when verifying [Link Removed] (also similar to [Link Remo ...
Landscapes with tessellation only produce shadows when selected
UE - LD & Modeling - Terrain - Landscape - Mar 6, 2019After disabling Static Lighting, shadows only render for Tessellated Landscape when being selected in the World Outliner instead of rendering all of them regardless if it is selected. Tested in 4.2 ...