Unreal Engine Issues

[CrashReport] UE4Editor-Engine!FPrecomputedVolumetricLightmapData::ReleaseRHI() [PrecomputedVolumetricLightmap.cpp:303]

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 ...

Potential Memory Leak when frequently terminating and re-initializing FConstraintInstance

From User: When frequently terminating and re-initializing the FConstraintInstance, there appears to be a leak when cleaning up the disabled joint, which leads to an ever growing list that gets sort ...

Alpha channel is not working on drag and drop function

When using the drag and drop function in UMG on an image with an alpha map the background will show up as black instead of translucent. ...

Need addElement and addElements to allow single insertion instead of to all elements with matching tag

Since multiple dict tags can be in a plist, not just the top level, need to be able to specify to only insert once. Adding an optional once="true" attribute to these commands in UPL will allow this ...

Regression: Cannot import Landscape Layer Weightmap along with Heightmap because of broken resolution check for tiled images.

When working in the "Landscape" editor mode, in both the "New" and "Import" tools, it is possible to import a single heightmap, as well as a weightmap for each layer. Each of these maps can come fro ...

Actor Component properties can become "linked" across multiple Blueprints after a hot reload

If code in an Actor Component class is changed (eg. a new UPROPERTY is added) and a hot reload is performed to implement the changes, the properties in the component can become linked across any Blu ...

Crash when adding Rectangle Lights to a game with multiple players while Raytracing is enabled

A user reported this issue to us through Salesforce. They initially said it crashed with both Spot Lights and Rectangle Lights, but I was only able to repro with Rectangle lights. Additionally, I di ...

[Synth][Tone Generator] - Editor crashes when Starting Synth Component Tone Generator

Starting a SynthComponentToneGenerator crashes the editor with the following assert:Assertion failed: bSuccess [File:D:\build\++UE5\Sync\Engine\Source\Runtime\SignalProcessing\Private\AudioBufferDis ...

[CrashReporter] UE4Editor-Renderer!static void RenderViewFamily_RenderThread(class FRHICommandListImmediate & const, class FSceneRenderer *) [SceneRendering.cpp:3619]

User comment: "...can't launch anything as standalone, only simulate..." Generated from CrashReporter ...