Unreal Engine Issues
Unreal Engine Issues
Skeletal Mesh Collapses with OpenGL ES3.1 on Tegra K1 devices
UE - Platform - Mobile - Oct 18, 2016When launching to an Android device that supports ES3.1 skeletal meshes seem to collapse in game. ...
Deadlock running anim modifiers that affect bone tracks on multiple sequences
UE - Anim - Runtime - Mar 11, 2025Running anim modifiers that affect bone tracks can deadlock the editor when applied to multiple anim sequences. ...
Static lighting crash on 5.4 when using landscape with WPO
UE - Graphics Tools - Terrain - Landscape - May 22, 2024When static lighting is built for a landscape with "Use Material Position Offset in Static Lighting" enabled it causes an editor crash. Licensee mentioned it was likely caused by a commit for 5.4, C ...
Pausing PIE does not stop timelines from running if players is set to more than 1
UE - Networking - Nov 23, 2015Pausing PIE does not stop timelines from running if players is set to more than 1. Test project attached. Reproduced in 4.9.2 binary, 4.10.0 binary, and Main (CL# 2776829) ...
ContentExamples: PhysicalAnimation Example 1.2 the P in "BluePrint" is capitalized
Docs - Samples - Jan 19, 2017The P in "BluePrint" is capitalized in Example 1.2 of PhysicsAnimation level. The word Blueprint should match the documentation https://docs.unrealengine.com/latest/INT/Engine/Blueprints/index.htm ...
iOS 14.5 - Code Signing Version No Longer Supported
UE - Platform - Mobile - May 3, 2021Using the remote build process (making an iOS build from Windows with a remote Mac) no longer functions properly on iOS 14.5 devices. It's possible to create an ipa, but it's not actually possible ...
MRQ - No Rayrtaced Shadows casted from Groom Caches with only 1 Spatial Sample
UE - Anim - Sequencer - MRQ - May 28, 2025A groom cache will not cast a raytraced shadow with only 1 spatial sample. It does not matter how many temporal samples you have. ...
ContentExamples: StaticMeshes Example 1.7 "StaticMeshEditor" is all one word
Docs - Samples - Jan 19, 2017StaticMeshes Example 1.7 "StaticMeshEditor" is all one word The word Static Mesh Editor is 3 separate words in unreal documentation https://docs.unrealengine.com/latest/INT/Engine/Content/Types/Sta ...
Does FSlateElementBatcher::AddCachedElements need to check if r.HDR.UI.CompositeMode is enabled?
UE - Editor - UI Systems - Aug 28, 2024When a specific configuration of HDR cvars are set, PIE in a New Editor Window will not render the game world. Settings (For DefaultEngine.ini): ```[SystemSettings] r.AllowHDR=1 r.HDR.Display.Color ...
Snap to Bone doesn't actually affect the rotation of a Constraint in the PhAT editor
UE - Simulation - Physics - Feb 20, 2018Snap to Bone doesn't actually affect the rotation of a Constraint in the PhAT editor. The visualizer does show the expected rotation but the Constraint will still rotate in the same direction it was ...