Unreal Engine Issues

When the engine version updated, partial data of TMap/TSet type of DataTable is missing

When updating to 4.21, Element previously added to DataTable is missing. This only occur when you move to 4.21. If it change from 4.19 to 4.20, DataTable will keep data. it can restore broken data b ...

Crash when Enabling HDR in a Standalone Fullscreen Game

Enabling HDR with the r.HDR.EnableHDROutput command causes a crash in fullscreen standalone as well as packaged projects. This only happens with HDR monitors, following the same steps on a monitor t ...

Global Open Asset Dialog has a duplicate filter for "other developers assets"

CL# 4832458 enabled bAddFilterUI, which causes a SFilterList to be created for the global open asset dialog. This SFilterList causes a duplicate FFrontendFilter_ShowOtherDevelopers to be added to th ...

DetachmentRules is not applied when WhenFinished of AttachTrack is set to RestoreState.

Purpose: Create a parent-child relationship using the “Attach Track” After that, I want to release Attach in the middle of the sequence and leave the child. Set "When Finished" of "Attach Track" to ...

Take Recorder crashes if actor with animation despawns during recording

Skeletal animations are finalized at the end of recording, and expect the actor to still be around, but actors can despawn during recording leading to a crash. ...

Movable point light disappeared by MinScreenRadiusForLights and appeared back looks deemed.

The movable point light is abnormally lit when it disappeared by the setting of r.MinScreenRadiusForLights rather than "Max draw distance" and appears back. After you disable and enable the "Affect ...

URuntimeVirtualTextureComponent::Invalidate does not work with Adaptive virtual textures

LOD streaming requests for distance fields are overridden with additional scene captures.

The distance field scene is shared between scene renders in a given frame. However, LOD requests are not tracked over the entire frame, but per scene render (e.g. camera or scene capture). Thus, if ...

Sequencer autosorts alphabetically on undo

[Link Removed] Jan Kaluza 2023-09-08 15:37:18 UTC I just ran into a very frustrating bug: I have around 60 actors in a sequence, and I reordered them to be in the order that I wanted to animate them ...

Details Panel Bug - Multiple external objects of same type share expansion state

This is because expansion state is saved per class, and we are displaying multiple objects of the same class at the same type. The UniqueID we add when adding these objects via 'AddExternalObject' ...