Unreal Engine Issues
Unreal Engine Issues
Alpha channel should not be weighted when using "masks (no sRGB)" texture compression setting
UE - Graphics Features - Nov 11, 2015When attempting to import a texture that has a non-opaque alpha content and compressing using the "masks (no sRGB)" texture compression setting, pixels that are in the alpha channel are being weight ...
When using All Nearby Spawned Actors, the number of recorded animation frames is not enough.
UE - Anim - Sequencer - Jul 21, 2021The licensee wants to record the same number of frames as the animation in "Content/TakeRecorder_test/Grayman/anm/". I thought that increasing the number of frames by 1F on Sequence would solve the ...
Unable to Rename using the Right-Click Menu on El Capitan in Blueprints and Sources Panel
UE - Platform - Apple - Apr 4, 2016Users are unable to rename a variable using the right-click menu within Blueprints, and the sources panel within the Content Browser. Regression? Yes. I tested the functionality of the right-click ...
Colored Lights On Edge Of Screen In Cascade Preview Window
UE - Niagara - Dec 20, 2016While working in cascade (also in editor) with particles or stronger emissive values, glowing lights will appear at the edge of the screen. Note With bugs like this they seem to be tied to Radeon C ...
Duplicate Physics replication call in PhysScene_PhysX.cpp
UE - Simulation - Physics - Nov 27, 2018There is a duplicated block of physics replication code in PhysScene_PhysX.cpp https://github.com/EpicGames/UnrealEngine/blob/release/Engine/Source/Runtime/Engine/Private/PhysicsEngine/PhysScene_P ...
Compile error with Local Variable of a Struct that contains a Set or Map type
UE - Gameplay - Mar 7, 2017Compile error with Local Variable of a Struct that contains a Set or Map type. Standard and array variables work without issue. Non-local variables also work without issue. ...
HISM flickering when any character is visible
UE - Rendering - Architecture - RHI - Jan 12, 2026On an NVIDIA GPU, Instanced Static Meshes can flicker when a Groom card or mesh LOD is visible. This appears related to an issue rendering the ISM into the Scene Depth. At the end of the Prepass, t ...
GameMode::StartNewPlayer calls RestartPlayer() without checking PlayerCanRestart()
UE - Gameplay - Nov 11, 2015Bug report from UDN thread. https://udn.unrealengine.com/questions/266937/gamemodestartnewplayer-calls-restartplayer-without.html#answer-268579 His point seems sound, we should fix it. ...
MSAA crashes Mac
UE - Graphics Features - Jan 19, 2017https://forums.unrealengine.com/showthread.php?126489-Test-the-Forward-Renderer-in-your-PC-VR-projects-with-the-4-14-Preview&p=653027&viewfull=1#post653027 ...
D3D device being lost ( DXGI_ERROR_DEVICE_REMOVED ) on both D3D11 and D3D12
UE - Rendering - Architecture - RHI - Aug 10, 2020It is hard to reproduce, but a licensee reported in UDN that it crashed on his computer frequently. He provided two crash dumps with logs which I uploaded here.[Link Removed][Link Removed] OS: W ...