Unreal Engine Issues

Moving a water body causes engine to drop fps and spike ms

Moving a water body lowers performance on the engine. The fps drop from 120 to 30 and ms spike from 8 to 30. This issue occurs in 5.0 Binary and 4.27 Binary on Windows. On Mac, FPS drop and ms spike ...

Merging Splines causes Engine to Crash in 5.1

Attempting to merge two spline actors causes the Engine to crash. This issue occurs with the Steps to Reproduce regardless if there are more branches added to the tree branch spline/enabled, and reg ...

[CrashReport] UnrealEditor-Engine!SkeletalDebugRendering::DrawBonesFromPoseWatch(FPrimitiveDrawInterface *,FAnimNodePoseWatch const &,bool) [SkeletalDebugRendering.cpp:213]

Generated from CrashReporter 1 user reported: "Crash when using "Toggle watch pose" in any node of the animation blueprint. The crash happens when you save the ABP after enabling toggle watch pose ...

MoviePipeline: DWAA compressed EXRs don't support 32-bit images

Level sequence attachment dirtying bugs - 5.4

Level Sequences can mark the level they are in as modified without modifying them, as well as get themselves into a state where they modified themselves when saved. ...

UObject set to DefaultToInstanced will show all properties declared at the blueprint level, even in they're private and not instance editable

Licensee found that when creating a UObject class with DefaultToInstanced and EditInLineNew specified, and then a derived BP was created using the UObject class and used as a variable type in an act ...

Custom mode animation resets character pose on every change in the Sequencer

Skeletal Mesh Components that use Custom Animation Mode will have their animation rest to the base position when any change is made to the Level Sequence that the character is used in. The Licensee ...

Crash at startup when vcomp140.dll prerequisite is missing.

Some users are experiencing a Crash at startup because of missing vcomp140.dll prerequisite. ...

Changing UFUNCTION Category causes function to not appear in BP right-click menu after hot reload

If a function with a Category set in its UFUNCTION macro has the value of the category changed and then compiled (hot reload), the function will no longer show up in the right click menu of the blue ...

EXR renders won't go above 640x360 when rendering from an Editor Window

User was attempting to render out EXR sequences and ran into an issue where anything above 640x360 caused the window to shrink and render at a lower resolution. The workaround is to "Use Separate P ...