Unreal Engine Issues
Unreal Engine Issues
Creating multiple Scalar Parameter nodes with a different values will crash the editor
UE - Rendering Architecture - Materials - Mar 11, 2020This is a regression from 4.24.3 CL 11590370 This was discovered when ad-hoc from home I ran into this by running this set up https://docs.unrealengine.com/en-US/Engine/Rendering/Materials/HowTo/Cle ...
Sprite collision is inaccurate
UE - Gameplay - Paper2D - Oct 31, 2014Sprite collisions do not accurately reflect the collision for the sprite. While the collisions are always the same between two of these, the collisions do not correspond to the shape of the collisio ...
Invalid access location compressing a BC6h texture in the editor
RAD - Oct 29, 2024Large texture crashes during Oodle compression with "-stompmalloc". It appears to be an internal Oodle error. Also tested on //UE5/Release-5.5/, CL: 37463908 ...
Bug in StringTemplate.cpp related to modulo operator in MaterialTemplate.ush (code fix provided)
UE - Rendering Architecture - Materials - Jun 25, 2024Shader Template files like MaterialTemplate.ush do not submit previous chunks when encountering a `%` character, unless that `%` character is `%s` or `% {...} `. Because the error is happening ...
Ragdoll replication on server side is not replicated correctly on client
UE - Networking - Dec 2, 2014Ragdoll replication on server side is not replicated correctly on client. The client will see the server players ragdoll dissappear and reappear at the 0,0,0 origin point. AnswerHub Posts: https: ...
ResavePackages commandlet (buildlighting) fails/asserts on reflection captures in non-visible sub-levels
UE - Graphics Features - May 13, 2025When building reflection captures through the ResavePackages commandlet, it frequently triggers an ensure inside of ReflectionEnvironmentCapture.cpp. If distributed shader builds start causing prob ...
Set Members in Struct node doesn't work if the Struct is contained within an Array
UE - Gameplay - Blueprint - Dec 9, 2014Set Members in Struct node doesn't work if the Struct is contained within an Array. ...
Control Rig settings are not retained between editor sessions or carried into deployed game
UE - Anim - Rigging - Control Rig - Jun 10, 2020Control Rig settings are not retained between editor sessions or carried into deployed game ...
ZenGarden or project with MSAA enabled crashes on iPhone 6 and 6+
UE - Platform - Mobile - Jul 19, 2017Zen Garden crashes on the iPhone 6+ before anything appears onscreen. Occurred on: iPhone 6+ on 10.3.2 Didn't occur on: iPhone 6S on 10.3.2 ...
Race condition in full builds of UE4 engine source
UE - Foundation - Cpp Tools - UnrealBuildTool - Sep 26, 2019This is a race condition caused by how "Clean.bat", a batch file used during rebuilds, tries to manually rebuild the UnrealBuildTool project when it runs. This causes a spam of UnrealBuildTool build ...