Unreal Engine Issues

Niagara System User Parameters Resetting After Closing the Editor

Niagara System user paramemters will reset upon restarting if they are used in a Blueprint. This also occurs to the system if you move the blueprint after making changes then pressing Ctrl+Z.  Foun ...

Incorrect net mode during EndPlay in PIE

Actor GetNetMode() can return the wrong value in EndPlay when the PIE world is being shut down. ...

Dragging a BP variable into a category can produce inconsistent results

The drag-onto-category operation is assigning the prettified category name, not the actual category name, resulting in variables that are not actually in the same category, even though they appear t ...

Left and Right eye render Ambient Occlusion differently

Ambient Occlusion appears to render differently in each eye when using the oculus rift. This give the user a cross eyed feeling ...

Double-clicking a level asset in the content browser loads the level with EWorldType::Inactive

Dedicated server crashes when running a multi-process game in standalone with the Code Editor plugin enabled

Attempting to run a standalone server and client using different processes will crash if the Code Editor plugin is enabled. ...

ARCore fails to package due to permission error with ARKit enabled

When using the handheld AR template and trying to package for ARCore, the package or launch on attempt will fail due to some permissions errors with Apple. If ARKit is disabled the editor will lock ...

Fatal error importing via Datasmith (memory allocation)

Trying to import a large Revit asset using Datasmith causes the system to use all of it's memory. Certain systems may receive a memory allocation error in the process. ...

Renaming a folder that contains a read-only asset from the Sources Panel causes the Content Browser and Sources Panel to desync

Renaming a folder that contains a Read-only asset from the Sources Panel causes the Content Browser and Sources Panel to desync. This causes the original folder (which should still exist since the E ...

Sphere traces where Start and End locations are the same are not triggering any hits

This has changed since 4.21, AOE attacks are not being registered. Paulo S took a look and determined that this is an engine bug: Happens with any radius based attack. What I found is that any Sphe ...