Unreal Engine Issues
Unreal Engine Issues
Materials using the Tessellation mode 'PN Triangles' cause objects to incorrectly render in Wireframe view mode when selected
UE - Rendering Architecture - RHI - Jan 21, 2020Creating a material that has it's tessellation mode set to "PN Triangles" and assigning it to an object results in the objects geometry to not properly display in Wireframe view mode. Tested i ...
Atan2() missing from Math Expression node
UE - Gameplay - Blueprint - Feb 11, 2020Using the math expression Atan2(y,x) inside of a math expression node results in an error. Tested in: 4.23.1 CL#9631420 , 4.25 CL#11341939 ...
Assets Jitter When Selected In Editor
Tools - Mar 4, 2020When you are selecting an asset in the editor it jitters a little bit until unselected. Found in 4.25.0 Preview 1 CL#11723679 Reproduced in 4.26.0 Main CL#11724764 ...
Crash when copy and paste actor track what is spawnable and has event track.
UE - Anim - Sequencer - Jul 13, 2020This issue is regression. It crash only 4.25, and it dosen't crash in 4.24. Copy and past a specific track (spawnable, actor with event track, set endpoint) causes a crash in the editor. ...
Nodes of inherited function don't refresh automatically in the opened BP editor if implemented interface is altered
UE - Gameplay - Blueprint Editor - Jul 14, 2020Nodes of inherited function don't refresh automatically in the opened BP editor if implemented interface is changed.Workaround: refresh nodes manually Regression: NO Can be reproduced on the 4.25.1 ...
Cannot use Assign node with a Wildcard Container parameters
UE - Gameplay - Blueprint Editor - Oct 6, 2020REGRESSION: Does not occur in 4.25 User is not able to use the Assign node with wildcard containers. The node is always made with single value parameter inputs and will generate compile errors. ...
Max Depenetration Velocity cannot be set to zero after setting it to a non-zero value
UE - Simulation - Physics - Mar 1, 2021It seems that when setting the Max Depenetration Velocity to a non-zero value, you are then unable to set it back to 0. Tested in //UE4/Release-4.25 @ CL 14469661 and this did not occur so marking ...
ISM Component in an instanced BP does not take into account changes to NumCustomDataFloats from the BP class
UE - Graphics Features - Sep 16, 2022PerInstanceSMCustomData is bulk serialized and doesn't get changed on the BP instance when changing NumCustomDataFloats, possibly causing out of bounds array access leading to a crash. Possible sol ...
FMaterialResource::IsDualBlendingEnabled bug
UE - Rendering Architecture - Materials - Jul 24, 2023The user has a proposed fix for this in the case. FMaterialResource::IsDualBlendingEnabled needs the following modification that includes MaterialInstance check: bool bMaterialRequestsDualSourceBle ...
Auto Exposure Compensation Curve issue when switching from Histogram to Manual
UE - Rendering Architecture - Feb 21, 2024When switching the Camera's Exposure Metering Mode from Histogram to Manual, there is a single-frame flash. The Licensee has a proposed code change that would fix this issue. Also found in 5.4, CL 3 ...