Unreal Engine Issues

Crash in virtual texturing when material instance texture sample param is switched to a non-square texture

The 4kVT is applied correctly, and you can switch the master material sampler to use the 2048x1024 texture, but if you switch it via the material instance param instead, the crash occurs. ...

Action Rpg Sample Creating a new GameplayCue handler crashes the editor in 4.24

In Action Rpg sample, creating a new Blueprint of type GameplayCueNotifyActor or GameplayCueNotifyStatic, results in an Engine crash. The call stack leads to a PrintF Slate warning message that woul ...

Crash occurs with gameplay tag map variable compiles with default value changed

there is a crash that occurs with gameplay tag map variable compiles with default value changed. This issue occurs no matter what the secondary value of the map is. I was unable to test this issue i ...

Crash Occurs After Server Travel When a Multicast Function with Params Was Called in the Level Blueprint

When a level's blueprint contains a multicast function with a parameter, Server Traveling to that level, triggering the multicast, Server Traveling to another level and then back to the level that h ...

Access Violation crash deleting a Widget Blueprint with an unsaved Animation track - FSequencer::Tick()

Encountered an Access Violation crash while deleting an Widget Blueprint with an unsaved Animation Track. The callstack references FSequencer::Tick(). I was not able to reproduce this issue in UE4/ ...

Opening Color Picker Windows crashes editor with Assertion Failed: IsOutsideRenderPass() in VulkanCommandBuffer.cpp

Opening Color Picker Windows crashes editor with Assertion Failed: IsOutsideRenderPass() in VulkanCommandBuffer.cpp Did not reproduce on Nvidia Linux Similar to: [Link Removed] but distinct from i ...

Crash in PlayReverse

Crash in BuildVisibleDecalList

Crash upon attempting to submit a level to source control after enabling Lock Read-only Levels

If a user enables the 'Lock Read-Only Levels' option in the Levels tab (Window -> Levels) of the editor and then attempts to submit a level to source control, it will cause the editor to crash. Not ...

WP crash entering PIE when unsaved non-editor actors are referenced through a editor-only property

From licensee: A simple example is setup in the project, the relevant part is just this code: UCLASS(meta = (BlueprintSpawnableComponent)) class TESTBUGEDITORONLYEDITOR_API UEditorOnlyComponent : ...