Unreal Engine Issues
Unreal Engine Issues
Video material broken on Mac M3+ (sm6)
TM - Rendering - Oct 21, 2025On Mac devices, the video material in the viewport will display incorrectly, appearing stretched significantly. This only seems to affect the viewport and not rendered exports. ...
Chaos Vehicles - Wheel physics bounds staying in spawn location on server
UE - Simulation - Physics - Jun 9, 2023Vehicle wheel shapes on the server appear to detach from the vehicle and remain at their spawn point when running a networked game. The clients physics representation is ok and as expected, i.e. whe ...
Cull Distance Volumes not functioning while in Viewport
UE - Graphics Features - Jan 7, 2016Static Meshes are not being visibly culled within the bounds of a Cull Distance Volume, until the user presses Play in Editor. I attempted to locate a visualizer or show flag within the viewport or ...
Calling a blueprint function library within a blueprint prevents blueprint from being saved
UE - Gameplay - Blueprint - Mar 25, 2015Blueprint cannot save when a function from a function library is present in the blueprint unless any alteration is made within the function library. Once editor is closed and re-opened the user must ...
Roughness rendering differently on Macs
UE - Graphics Features - Oct 4, 2016The roughness value for Macs renders differently (less rough or glossy) compared to Windows. It also seems to render as expected within the Material Editor preview window, but when applied to an obj ...
BlueprintNativeEvents with no return value (void) cannot be overridden in Blueprints.
UE - Gameplay - Blueprint - Dec 22, 2014BlueprintNativeEvents (and BlueprintImplementableEvents) are not available to be overridden in a Blueprint Graph if they do not return a value. This affects both functions present in source code, as ...
Unable to read Stat FPS text on Samsung S6 Edge
UE - Platform - Mobile - Oct 28, 2016This is only occurring on the Galaxy 6 Edge. Was tested on multiple iOS and Android devices and could not repro Galaxy S6 Edge_6714 OS: 5.0.2 ...
Pose assets do not snap to the pose when Additive is disabled
OLD - Anim - Oct 24, 2016This is a regression from 4.13.1 as it was snapping to the pose then. If this was an intentional change please let us know and we can update the test case to reflect this. ...
AvfMedia: Many file types supported on macOS and iOS are reported as not supported in UE4
Media Framework - Sep 6, 2016See also https://forums.unrealengine.com/showthread.php?64082-Media-Framework-Roadmap&p=590662&viewfull=1#post590662 ...
Ensure after adding BlueprintCallable to a function and compiling the BP in the editor
UE - Gameplay - Blueprint - Nov 29, 2016I am seeing an ensure after adding a UFUNCTION(BlueprintCallable) accessor and then adding that function to the BP and compiling the BP in the editor. Repro frequency is only 3/6 times. ...