Unreal Engine Issues
Unreal Engine Issues
Particle Ribbon's do not work in packaged game
UE - Graphics Features - Apr 5, 2016When a particle system has a ribbon trail it will not render when viewed in a packaged game. Attached sample asset from Content Examples with Ribbon Trail. This issue did not occur in 4.10.4, bu ...
Bloom Blown Out In Forward Shading With MSAA and Separate Translucency Enabled
UE - Graphics Features - Mar 31, 2017When a material is utilizing emissive color, separate translucency, and the project is using MSAA the material will give off intense bloom to the point of flashing the screen. [UPDATE] After addit ...
Crash when selecting "show" > "uncompressed animation" in Persona
OLD - Anim - Jul 1, 2016From this UDN: https://udn.unrealengine.com/questions/301289/crash-in-persona-debug-display.html Proposed solution: In UDebugSkelMeshComponent::GenSpaceBases() before PerformAnimationEvaluation() ...
Alembic Files Import With Blocky UVs
UE - Editor - Content Pipeline - Import and Export - Dec 6, 2019Alembic files imported come in with blocky UVs. Attached is a zip with the files and pictures that show the issue. Found in 4.23.1 CL#9631420 Reproduced in 4.24 Preview 4 CL#10387632, 4.25 Main CL# ...
Crash When Opening a DataTable Based Off a Struct With a Timecode Variable
UE - Anim - Sequencer - Mar 30, 2020When a datatable is based off a struct with a timecode variable it will crash when opening. Found in 4.24.3 CL#11590370 Reproduced in 4.23.1 CL#9631420, 4.25 Preview 4 CL#12366721, 4.26 CL#12123513 ...
Autosave Causes Outliner to Lose Content in Blueprint Sub-levels
UE - Editor - Workflow Systems - Sep 19, 2022When Unreal autosaves, any items in the outliner from a sub-level that have been switched on by the sequencer track disappear, BUT only in the outliner, everything else can still see the scene fully ...
Cast Translucent as Masked in the Material Editor is no longer working
UE - Graphics Features - Apr 7, 2016When enabling the option for Cast Shadow as Masked in the Material for a translucent object the shadow is no longer baked when building lighting. Using Stationary or Static Lighting will give the sa ...
Mouse cursor position is locked to center of screen when bShowMouseCursor is false
Tools - Nov 16, 2016When you set bShowMouseCursor to false in a Standalone or packaged game while Default Viewport Mouse Lock Mode is set to either Always Lock or Lock on Capture, the cursor will become locked in place ...
Reimporting Does Not Update Normal Import Method In Build Settings
Tools - Oct 19, 2016If you reimport an asset with a different normal import method it won't update the build settings for that mesh. For example if you were import with computing tangents then set the mesh to import ta ...
Calling Finish Recording Output causes a crash in PIE
UE - Audio - Mar 23, 2020The Finish Recording Output node from the Audio Mixer BP Library crashes due to an invalid Path input. This is a regression from 4.23.1 (CL-9631420). This was reported and tested in 4.24.3 (CL-115 ...