Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Game mode crash in UE4Game_Win32_Shipping!TStaticStateRHI
UE - Graphics Features - Feb 21, 2017This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below.Error message: Access violation - code c0000005 (fi ...
World Context node returns inaccurately in PIE/Standalone
UE - Gameplay - Blueprint - Sep 11, 2017When a blueprint function library reaches a "World Context" node, the result returned by the node is invalid / null in Standalone mode. Additionally, the node will occasionally report as invalid in ...
C++ Classes subfolders cannot be viewed in CB if Sources Panel is closed
UE - Editor - Content Pipeline - Content Browser - Sep 14, 2017When a new class is added to a subfolder, by entering the folder name in the Add C++ Class - Path field, navigating to the new subfolder doesn't work if the Content Brower's Sources Panel is closed ...
Mouse Wheel Axis input gives different values in HTML5 packages, varying by browser
UE - Platform - Mobile - Sep 28, 2017The value given by the Mouse Wheel Axis is usually 1.0 or -1.0, depending on the direction. In HTML5 packages, this value varies based off the browser that is used. On Firefox (56.0): 0.025 or -0.0 ...
Material loses Material Function reference when both are moved simultaneously
UE - Rendering Architecture - Materials - Oct 6, 2017Moving a material function asset along with a material using the function causes the material to lose the function reference when the project is restarted. Regression: Yeswith Material and sub fold ...
Textures That Are Not Visible in Viewport Use Low Res Mip During Play in Selected Viewport
UE - Graphics Features - Jun 26, 2018I am unable to test the User-provided sample project in any engine version other than 4.19.2. Per User who reported issue: Mips for textures that are not visible in the viewport but get showed du ...
Hot reload fails after adding a Static Mesh Component to a new Actor code class in a project that was originally Blueprint-only
UE - Foundation - Cpp Tools - Hot Reload - Oct 25, 2018Starting a hot reload by clicking the Compile button in the Editor fails after adding a Static Mesh Component to an Actor code class. This only occurs in the binary version of the Engine, and only i ...
Sleep state not replicating properly
UE - Simulation - Physics - Jul 30, 2019Objects' sleep states are not being properly replicated to the client. While it cant seem to be reliably triggered, occasionally the client will receive a constant stream of sleep events, until the ...
Missing scale for tangent with morph target
UE - Editor - Content Pipeline - Import and Export - Nov 4, 2020There is a bug in the fbx curve import code where we do not multiply the tangent by the scale parameter. Only the key value is currently scale. In 4.25 there was a hardcoded 0.01 scale but it was w ...
FConsoleVariableBase::SetOnChangedCallback behaves incompatibly with previous versions
UE - Niagara - Jun 17, 2021FConsoleVariable::OnChangedCallback was changed to a multicast delegate in 4.26. Along with this, FConsoleVariableBase::SetOnChangedCallback was implemented to emulate a single delegate for compatib ...