Recast rcScopedDelete<T>::resizeGrow copies too many elements

UE - AI - Navigation - Nov 5, 2024

Context The Recast module has a helper struct rcScopedDelete for allocating, resizing and automatically freeing the allocated memory when the struct goes out of scope. Its allocation functions can ...

When adding the UIRenderer to the Movie Render Queue, the rendering output is a difference in PIE and MRQ.

UE - Anim - Sequencer - MRQ - Dec 5, 2023

UI rendering in PIE and UIrenderer rendering in MRQ produce different output results. This is because when dealing with fades in the UI, the rendering results should not be different.  Workaround ...

After attach a component to a simulated component by socket miss collisions

UE - Simulation - Physics - Jun 9, 2023

If attaches a StaticMeshComponent with collision active to another actor with a SkeletalMeshComponent simulating physics by socket name the StaticMeshComponent miss collision for simulation. Chec ...

PIE with split screen prevents some drop down menus from working in Sequencer

UE - Editor - UI Systems - Slate - Jun 14, 2024

Create a level sequence, add an audio track and an event trigger track to the sequenceAdd a keyframe to the event track and create a new endpoint for the keyAdd an audio section to the audio trackIn t ...

Invalid access location compressing a BC6h texture in the editor

RAD - Oct 29, 2024

Large texture crashes during Oodle compression with "-stompmalloc". It appears to be an internal Oodle error. Also tested on //UE5/Release-5.5/, CL: 37463908 ...

USkeletalMeshComponent::SkeletalMeshAsset modified value is lost when changing via level details panel

UE - Anim - Runtime - Jun 27, 2024

USkeletalMeshComponent::SkeletalMeshAsset is transient so it seems that any modified value that is set via the level details panel on an existing actor is lost.  We deal with this same problem for o ...

RewindDebugger draws debug capsules with its base location as center

UE - Anim - Oct 31, 2024

Context UE_VLOG macros can be used to capture debug shapes into both a Visual Logger recording and a Rewind Debugger recording. Problem In the Rewind Debugger, the capsule shapes are drawn at an in ...

GPU crash dump triggered with Intel H/HX processors

TM - Rendering - Oct 3, 2024

Some users have recently reported 'GPU crash dump Triggered' crashes launching, importing, or performing simple actions. Communicating with one user, general GPU TS has not helped(check for OS/drive ...

UnrealTraceServer exits when encountering a symlink on Windows

UE - Foundation - Insights - Oct 30, 2024

UnrealTraceServer exits on startup (or when watching a directory) when a watched store directory contains a symlink on Windows. Cause: The std::filesystem::directory_entry::is_directory() call thro ...