Unreal Engine Issues
Unreal Engine Issues
Sequencer crashes when using Transform variable added to Scene component BP
UE - Anim - Sequencer - Oct 18, 2021This issue has not occurred in previous versions and seems to occur from 4.27. ...
[Synth][Tone Generator] - Editor crashes when Starting Synth Component Tone Generator
UE - Audio - Mar 29, 2022Starting a SynthComponentToneGenerator crashes the editor with the following assert:Assertion failed: bSuccess [File:D:\build\++UE5\Sync\Engine\Source\Runtime\SignalProcessing\Private\AudioBufferDis ...
Depth of field rendering artifacts - flickering and masking
UE - Rendering Architecture - Jan 16, 2024Flickering and large flashes can be seen on reflective objects that are out of focus with DOF enabled. DumpGPU shows that artifacts are visible in TSR . ...
When the Groom asset LOD switches from Strands to cards, hair rendering is stuttered
MetaHuman - Feb 3, 2024It only happens when changing LOD from strands to cards.not in situations where changing LODs from cards to cards, cards to strands, strands to strands. The card meshes are not rendered immediately ...
Using Fracture/Chaos Destruction with TSR as Anti-Aliasing Method generates smeared images.
UE - Simulation - Physics - Destruction - Aug 15, 2024Using Fracture/Chaos Destruction with TSR as Anti-Aliasing Method generates smeared images whenever the debris are moving. The client pointed out that the issue might come from GeometryCollectionCom ...
Runtime Virtual Texture (RVT) baked mips using Streaming Virtual Texture (SVT) only bakes the base colour
UE - Graphics Features - Sep 13, 2024Using Streaming Virtual Textures for the lower mips of an RVT using Base Color, Roughness, Normal seemingly leads to both roughness and normal being sampled as 0. This causes a significant shading a ...
Foliage mode instances not rendered until mouse up
UE - World Creation - Worldbuilding Tools - Foliage - Oct 30, 2024New foliage is not visible when applying the paint tool and only shows up after the painting ends. ...
Fatal error when creating listen server on an instance with a PendingNetGame
UE - Networking - Apr 28, 2025This seems to occur because the PendingNetGame is not destroyed when the instance browses to the new level to start listening. In UEngine::LoadMap, UWorld::SetGameMode will create the game mode, pro ...
Editor window changes size each time the same project is opened
Tools - Apr 6, 2015The editor window is slightly bigger each time you open the same project. This doesn't persist over to any other project. I also checked in 4.8 from p4, this also occurs in: 4.8 /UE4/Promoted-CL ...
Asset with child actor component (documentation actor) crashes upon level load
UE - Gameplay - Jan 18, 2016Adding a child actor component of type Documentation Actor to a blueprint, then adding that blueprint to a level and saving will cause the editor to crash upon re-opening the map. CrashReporter: N ...