Unreal Engine Issues

Assert when toggling RHIThread

Saving Level changes the Rotation of actors with parent-child relationships

According to the licensee report, UnrealMath.cpp (588) constfloat SINGULARITY_THRESHOLD = 0.4999995f; It seems that this can be avoided by changing the above value. However, changing SINGU ...

FCPXML export is off by one frame

It looks like FCPXML is off by one frame for the MRQ export. For the old movie scene capture tool, it appears correct. ...

Static Mesh Scene Actor Flipped Normals

Static meshes can have normals flipped when the actor they are attached to has one component of its scale inverted. ...

[CrashReport] UE4Editor-Core.dylib!<Unknown>

[Link Removed] ...

Spawn actor of class does not work in packaged game

Spawn actor from class does not work when playing in a packaged game. ...

Crash while unloading a streaming level while spawned decals exist in the unloaded level

When unloading a level containing a decal that is using a dynamic material instance the editor will crash. ...

HighResShot's bDumpBufferVisualizationTargets does not work on PNG output.

If the same command is executed with 4.27, multiple screenshots will be saved. ...

BSOD when launching Twinmotion on NVIDIA 50-series GPUs with 576.02 Drivers

Reported from multiple users. NVIDIA RTX 50-series GPU users are reporting BSODs when attempting to launch Twinmotion with the latest drivers installed. The crashes occur on the 576.02 driver versi ...

MRQ - Skeletal Mesh motion vector are output only for the last sample of Spatial Sample Count

Skeletal Mesh motion vectors are output only for the last sample of Spatial Sample Count, while Static Mesh motion vectors are output in all samples. UDN: [Link Removed] Slack thread: [Link Remo ...