Unreal Engine Issues

Dynamic Spatial Frequency not working with dependent actors

In UReplicationGraphNode_DynamicSpatialFrequency::CalcFrequencyForActor, the ActorChannelCloseFrameNum is updated for the actor but not its dependents when calculating FramesTillReplicate. As a resu ...

Ambient Occlusion does not function with Forward Rendering enabled

Ambient Occlusion does not seem to function when enabling Forward Rendering. I tested the level without Forward Shading and could notice a visible difference in the shadows when Ambient Occlusion wa ...

Auto virtual texture import can be confusing for some users

There have been a few times internally and with licensees where people have enabled virtual texturing on a project to access RVT and then have been surprised when textures start to be imported as st ...

Texture Reimport can change a regular texture to a virtual texture

Reloading a regular texture will convert it to a virtual texture if the size is greater or equal to the "Auto Virtual Texturing Size" setting. This is often not the desired behavior. The status of t ...

CheckForWorldGCLeaks crash using New Level from Template node to duplicate sublevel of the currently loaded level

A world leak crash occurs when using NewLevelFromTemplate to duplicate a sublevel of the currently loaded level. The crash doesn't manifest until another level is loaded even though the Sublevel ins ...

Assertion failed: IsValid() in AudioDeviceManager.h related to dragging and dropping cues into the viewport

I was not able to reproduce this issue with the user given repro steps, however the crash has occurred for multiple users according to Crash Reporter, so it is worth investigating more into ...

IOS deviceCrash when input Korean Charactor on EditableTextBox

A crash can occur during a batched compile of inter-dependent Blueprint assets via commandlet.

Bulk compiling more than one Blueprint class asset without incurring a garbage collection pass in between each compile can result in a crash during reference replacement, as serialization may end up ...

[Feature Request] Event triggering skipped in subsequences and shots

Events in subscenes can be skipped if playback skips over the end of the subscene before evaluating the event. ECS allows for determinism fences which can fix this issue. ...

Crash when drag selecting a level in an orthographic view with a control rig asset

When adding a Control Rig asset to a level, choosing one of the orthographic views, and then drag selecting any part of the level, the editor crashes. This does not occur if you drag select in the p ...