Unreal Engine Issues
Unreal Engine Issues
Memory Leak When Raytracing Enabled with Specific Rendering Settings
UE - Graphics Features - Ray Tracing - Apr 8, 2025When a shipping build is packaged using specific rendering settings a memory leak can be observed. The licensee has noted that this leak presents as a 10MB per hour increase in RAM usage. It has a ...
Crash when converting non-WP maps containing landscape with OnlyMergeSubLevels enabled
UE - World Creation - Worldbuilding Tools - World Partition - Jul 21, 2023When trying to convert a non-WP map with OnlyMergeSubLevels enabled crash after a while ...
Force Feedback not pausing correctly during bGamePaused
UE - Gameplay - Jul 26, 2016From UDN Question: https://udn.unrealengine.com/questions/304392/bug-clientplayforcefeedback-isnt-paused-when-game.html Tried with GamePad and Vive Controllers, having Gamepad wire connected + 2 Vi ...
Array of Instanced Objects on Component Does Not Propagate to Children Correctly
UE - Foundation - Core - UObject - Jun 6, 2017Attempting to add an entry to an array of instanced objects is not correctly displaying that entry in a child class based on that actor. It is expected that the inherited component in the child acto ...
Unable to edit default values of TMap struct variable stored in an inherited component from the full blueprint editor
UE - Gameplay - Blueprint Editor - Jun 29, 2017When you have a struct variable that is part of a TMap which is stored in an inherited component, the struct is not editable in the full blueprint editor. It is editable in the data only blueprint e ...
Huawei P9 Plus screenshots capture black
UE - Platform - Mobile - Jul 18, 2017OBSERVED RESULT: UE4 captures an all black screen EXPECTED RESULT: Game window should be captured with any debug information that is being printed to the screen WORKAROUND: None IMPACT: Blocks S ...
Light leak on mesh when in shadowed area
UE - Graphics Features - Nov 8, 2017When Cast Shadow and Self Shadow Only in the Lighting Section of the Details of a mesh, the light will randomly hit the mesh even though it is in a shaded area. Light appears to flicker and will com ...
First four landscape tools are not accessible in VR Editor Mode
UE - Editor - Workflow Systems - Jan 8, 2018Tested in Oculus. Found in 4.18.2 CL 3794801, 4.17.2 CL 3658906. Not able to reproduce in 4.19 Main due to a crash upon launching VR Mode. Users are able to select any of the first four sculpt ...
Split screen causes rendering issues with lightshafts
UE - Graphics Features - Feb 21, 2018There is an issue occurring where Split screen causes rendering issues with light shafts. This issue does not occur if you use the command " r.lightshaftquality 0" The issue no longer occurs. This i ...
Unreal crashes when you connect scalar node to scalar input, when material function has a vertex interpolator
UE - Graphics Features - Mar 19, 2018There is an issue occurring where Unreal crashes when you connect a scalar node to scalar input when the material function has a vertex interpolator. This issue causes the engine to crash, but the i ...