Unreal Engine Issues

Vertex editing 2 BSP brushes simultaneously reverts to local movement for brushes that have been rotated

Android 9 has api compatibility problem

[CrashReport] Assertion failed: TaskDataArray.Num() == Exporter->VolumetricLightmapTaskGuids.Num()

This is a trending crash coming out of the 4.18 Previews. Users have not provided any descriptions of their actions when the crash occurred, but at least two of the affected projects are being creat ...

Synthetic benchmark is affected by Scalability Settings

Sumo Digital Ltd. has reported that the synthetic benchmark has skewed GPUIndex scores when changing graphics scalability settings (i.e. r.LumenScreenProbeGather.DownsampleFactor). They are currentl ...

Pausing simulation in PIE does not pause looped timers on the Server when players is set to more than 1

Pausing simulation in PIE does not pause looped timers on the Server when players is set to more than 1. The Client pauses the timer as expected. With only one player, timers are paused as expected. ...

Memory Usage Remains High After Exiting PIE

Originally, a project that uses about 500 mb of memory spikes to over 2 gigs during PIE. After exiting PIE, the memory usage remains well over 2 gigs and continues to rise. Found in 4.10 Binary. R ...

Assert when having too many VR devices

Internal team is encountering a crash when adding too many VR devices. Email thread titled "Re: Crash Logs" The bug is an internal limit of devices the code supports, which is 8. If a controller o ...

Getting Relative Location of an Object That Once Simulated Physics Returns World Location

Attempting to get the Relative Location of a component that once simulated physics, but has been dynamically set at runtime to not simulate physics returns the World Location instead until the actor ...

Failed to build in Github UE4.27.0.

Failed to build UE4.27.0 with Win64/Development Editor.  Can avoid this error that excluding the project from build configuration. (Solution UE4->Properties->Configuration Properties->Configuratio ...

Automatic Animation Compression Results in Crash

Using the "Automatic" option to compress animation results in crash 100% in UE4.10 but does not occur in UE4.9.2. *Regression ...