Unreal Engine Issues
Unreal Engine Issues
Game start slowing down when there are more than 10 sprites in the level
UE - Gameplay - Paper2D - Apr 10, 2018Sprites seem to be drastically affecting FPS in 4.19 projects on Mac devices. ...
open asset in editor crash (Objects have the same fully qualified name but different paths)
UE - Gameplay - Blueprint Compiler - Sep 15, 2022in 4.27 open this asset could not crash ,but 5.0.2 could get crashed ...
BuildPatchTool doesn't finish if enabled building Http Chunk on Mac
Portal - Jan 25, 2021We may fix this issue by the following codes. FPakPlatformFile::FPakPlatformFile(): LowerLevel(NULL) ,bSigned(false) { // remove //FCoreDelegates::GetRegisterEncryptionKeyMulticas ...
Crash when clicking "Reset to Default" button on the Details Panel for the MaterialAttributeLayers material node.
UE - Rendering Architecture - Materials - Jul 15, 2025This crash repros from at least UE 5.3 and up to latest. The following assert is hit: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 1067] Array index out of bounds: 0 in ...
Curve Type missing from details panel of Twist Corrective Node
OLD - Anim - Oct 3, 2016Curve type has been removed from the details panel and not sure if this was an intended change as it was an option in 4.13 ...
Layers render transparent in Material_Advanced 1.3 display in ContentExamples on HD4600
UE - Graphics Features - Nov 1, 2016Only seen on an Intel HD4600 GPU This is a regression from 4.13 Did not occur on an Intel HD530 GPU ...
Viewport has graphical glitch while editing but not in PIE
Tools - Feb 6, 2015User has a project that the viewport has gotten corrupted. The icons are now no longer camera facing and are facing in the positive y axis. The sun disc and sky are blurred. When PIE everything rend ...
Ensure undoing pin split - Found K2Node_CallFunction_429 ('K2Node_CallFunction') that does not belong to EventGraph.
UE - Gameplay - Blueprint Editor - Sep 15, 2017REGRESSION: Yes, does not occur in 4.17.2 Ensure occurs when undoing the splitting of a pin. ...
Copy Pose From Mesh Node Does Not Preview in Sequencer
OLD - Anim - Jun 13, 2018Copy Pose From Mesh node does not affect the animation when previewing in Sequencer. This works when played in the editor. ...
Console is off screen in VR preview when windows scaling is set to 150% or above
UE - Platform - XR - Jun 29, 2018Windows scaling appears to affect the HMD if the project is open on a screen with window scaling being used. ...