Unreal Engine Issues
Unreal Engine Issues
Cannot compile a nativized Blueprint with a function that takes an interface as an input parameter and uses it inside the function (e.g. dynamic cast to object).
UE - Gameplay - Blueprint - May 27, 2020Issue occurs because there is a legacy code path that forces all interface parameters to be declared as 'const' in function declarations, even if CPF_ConstParm is not set in exported C++ code. This ...
Blueprint properties of replicated subobjects don't replicate by default
UE - Networking - May 18, 2020The base implementation of UObject::GetLifetimeReplicatedProperties doesn't check to see if its class is a blueprint-generated class and add its properties, like UActorComponent::GetLifetimeReplicat ...
Spline Mesh Collision doesn't work in packaged game when spawning them at runtime
UE - Simulation - Physics - May 18, 2020Spline Mesh Components lose their collision in a packaged game when spawning them at runtime, or modifying them via 'Set Start and End' function at runtime. ...
Inconsistent memory usage bump when using SceneCaptureComponent2D on iPadAir2
UE - Platform - Mobile - May 18, 2020I do not have access to an iPad Air 2 so it is impossible for me to reproduce, but it seems that when using SeneCaptureComponent2D on the device, memory usage will increase drastically. ...
On PC and Mobile Preview, Volumetric Lightmap provide very different Indirect lighting direction
UE - Graphics Features - Lumen - May 18, 2020Expectation: It's known it has different lighting interpolations method and quality for VLM on PCvsMobile; but Indirect lighting from VLM should provide similar lighting Direction on PC&Mobile. ...
Random crash in UWindDirectionalSourceComponent::GetWindParameters
UE - Simulation - Physics - Character - May 14, 2020Niagara Preview viewport is unaffected by Preview Scene Setting Environment Color
UE - Niagara - May 14, 2020Preview Scene Setting Environment Color only shows as black in Niagara editor viewports This issue does not reproduce in the Material, Static Mesh, Skeletal Mesh, Anim BP, or Control Rig Editors. ...
Sequencer transform origin not updated on first frame
UE - Anim - Sequencer - May 13, 2020When the level sequence is evaluated from calling play on a level sequence player the level sequence actor does not have an opportunity to tick, which is where the transform origin is calculated. ...
EditCondition doesn't work on C-arrays
Tools - May 13, 2020Toggling a bool doesn't enable/disable the elements of the array similarly to how it does for TArray in the details panel. Static arrays should have the same semantics as TArray with regards to edit ...