Unreal Engine Issues
Unreal Engine Issues
MemReport does not seem to respect mesh streaming
UE - Rendering Architecture - Aug 6, 2024The function "FStaticMeshLODResources::GetResourceSizeEx(...)" does not take into account that the buffers might be emptied, due to Mesh Streaming. This causes "obj list" to report sizes larger than ...
[AI] Area Class to Replace does not work on SplineNavModifierComponent
UE - AI - Navigation - Jun 16, 2025The SplineNavModifierComponent does not have the same behavior as regular nav modifier components where the modifier can specify that it only replaces a given NavArea class. Setting the area class t ...
Crash when Changing LOD Group on SpeedTree Assets
UE - LD & Modeling - Modeling Tools - Mesh Editing - Nov 22, 2016A crash occurs when changing/setting the LOD Group of a SpeedTree asset within the Static Mesh editor. Regression? Yes, this crash does not occur in the 4.13.2 binary release. ...
game terminated on android device when connect or disconnect usb dongle
UE - Platform - Mobile - Jun 1, 2021The game crashed when the USB Dongle is connected or disconnected. Games that made by other engines are work fine. Refer to the attached video for the reproduce. ...
Editor crash when using Straighten Connection shortcut key
UE - Gameplay - Blueprint - Feb 8, 2017Using Straighten Connections shortcut can cause the editor to crash after removing node pins. This appears to be due to GetGraphPinForMenu returning the last pin selected (in this case, the removed ...
Events Still Firing After Stopping Blueprint After Hitting Breakpoint
UE - Gameplay - Blueprint - Nov 4, 2016After hitting a breakpoint and then stopping the execution of a blueprint using the Stop button, the next event is still being fired. Found in 4.13.2, reproduced in 4.12.5 and 4.14 Preview 2. ...
Sublevel moves away when undoing the level visibility change
Tools - Nov 21, 2016When you have a sub level with some level transform, changing its visibility then doing undo makes the sub level moved away as if the level transform applied twice. I could repro the issue in 4.13. ...
UWheeledVehicleMovementComponent no longer contains an IsFalling variable
UE - Gameplay - Dec 8, 2016UWheeledVehicleMovementComponent no longer has an IsFalling variable. It originally inherited from UPawnMovementComponent which it gained this variable from but now inherits directly from UMovementC ...
New Visibility Track creates an offset Visible(0) track in Sequencer
UE - Anim - Sequencer - Jan 14, 2017The new Level Visibility track creates a Visible track that appears that it is created in the middle of the sequencer tracks. You are able to move the Visible track up flush with the timeline by cl ...
Input disabled for all UMG when SetIsEnabled is called from code
UE - Editor - UI Systems - Mar 10, 2017Calling SetIsEnabled on a UMG button in code will prevent any UMG input from being read (can't click other buttons/checkboxes, can't enter text into field, etc). Regression: No - code used does not ...