Unreal Engine Issues

Distant mesh / vista have visible Lumen bounces

Objects far outside of the Lumen Scene don't temporally accumulate screen traces, leading to heavy flickering. It appears that the temporal reprojection is failing when comparing the depth in "Scree ...

Special characters in file names are not escaped on Perforce commands

Files and directories with special characters %, @, * and # are not escaped when sent to the P4 Client API. For example, an '@' character is common in root workspace folders when using concurrent bu ...

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

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 ...

ULidarPointCloud memory leak

Cannot continuously change Bone Name in SkeletalMesh Sampling Settings

An access violation occurs in FNiagaraSkeletalMeshRegionBoneFilterDetails::HandleBoneNameComboBoxSelectionChanged() due to StringItem is nullptr. SkeletalMeshRegionCustomization.cpp void FNiagaraS ...

Dependent values of CVars for animation budget allocator are not correctly updated when setting from ini

It seems that the FConsoleVariableDelegate used with CVars in AnimationBudgetAllocatorCVars.cpp does not get called when values get set initially from ini (e.g. DefaultEngine.ini) so dependent value ...

UGS perforce login does not work with 2FA flow

The perforce login flow for UGS does not properly handle a perforce server using 2FA login flow ...

Loading blueprint with soft actor reference during PIE corrupts data

The Soft Object Path loading code has special case logic for loading from Play In Editor, which tries to remap paths from the editor version of a map to instead point to an actor in a specific clien ...

Render in Movie Render Queue with High Resolution Tiling Overlap causes dark pixels

From UDN: thanks for your reply. I have attached a very basic scene with a MRQ settings preset. The only thing I have changed in the scene is that I've set the Camera Exposure to manual, as it do ...

Deploy device not saved in Project Launcher

The deploy device selected in project launcher custom profile does not get saved. After restarting the editor, all selections are cleared, and have to be re-selected in the deploy device every time. ...