Unreal Engine Issues

A crash happens with a combination of Event Receive Tick AI and a pawn losing possession

User reports this is a regression because it worked in 4.27, but they converted to 5.0.1 and now it causes a crash. However, I'm unable to verify this at this time. A crash happens with a combinati ...

USplineComponent::GetDistanceAlongSplineAtSplineInputKey returns incorrect result when input keys are not sequential

USplineComponent::GetDistanceAlongSplineAtInputKey() returns the wrong value when the input keys are not sequential because it interprets the input key argument as the spline point index. Thus if th ...

DemoNetDriver can cause ClearVoicePackets to be called multiple times in one tick

Because DemoNetDriver doesn't override PostTickFlush, it will call the base UNetDriver's PostTickFlush. When both the game NetDriver and DemoNetDriver are ticked, this results in the online interfac ...

Crash in GameplayTag Editor Widget when editing array of tags on a component

Editing an array of gameplay tags on a component belonging to an actor instance can lead to a crash. There are inconsistencies with how the Gameplay Tag Editor widget behaves:Array of gameplay tags ...

Using CustomBrush_Landmass Brush creates an inverted pyramid on the landscape

When using the CustomBrush_Landmass Brush, clicking the landscape should add a pyramid shape landmass but instead creates a inverted landmass. Regression tested on //UE4/Release-4.27 @ 18319896 Re ...

Crash occurs while attempted to drag and drop an asset from Bridge while it is docked to the Sidebar

An Assertion is thrown while attempting to drag and drop an asset from Bridge while it is docked to the Sidebar ...

Editor crashes when keying a frame to an Animation from Pose with Appended Frames

This is a regression. Tested in //UE4/Release-4.27 CL18319896 Editor crashes when keying a frame to an Animation from Pose with Appended Frames. ...

Unable to build marketplace code plug-in

Fix for [Link Removed] sets the RuleAssembly in the Marketplace plugin to ReadOnly. This has prevented the plugin binaries from being compiled. Change the readonly flag as shown in the following co ...

Custom Playback Range does not work for the Movie Render Queue in Shipping Builds

Imported Texture shows up black in Content Browser

I'm trying to import a .exr texture created in Substance Painter and exported as a 32 bit linear exr file. The texture is to be used for roughness. However, I've stumbled upon the problem that users ...