Unreal Engine Issues
Unreal Engine Issues
FString.Mid doesn't react appropriately when given negative values for the Count variable
UE - Foundation - Core - Jul 16, 2015If you use a 5 character string (hello) to call the Mid function and provide 0 for start, -1 for count, it'll give you the entire string. This should either return an assert or treat all negatives a ...
Overriding a static parameter in a material instance but not changing the value unnecessarily duplicates shader code
UE - Graphics Features - Sep 9, 2015When you have a Material with a static parameter and an Instance of that Material that has the "override" checkbox checked for that static parameter, but has the value set to the same value as the p ...
Sequencer frame range progression is not continuous
UE - Anim - Sequencer - Oct 28, 2021The end of the level visibility section places a DeterminismFence. This causes the issue. The fence clips the frame range and produces a discontinuous frame ranges, e.g. 23201~24000, then 24001~24 ...
[CrashReport] UE4Editor_UnrealEd!TSet<FEditorUndoClient * | SActorDetails::~SActorDetails
Tools - Sep 20, 2017This is a somewhat common crash coming out of 4.16 and 4.17. Users have not provided any description of their actions when the crash occurred. The top line of the callstack and the source context ...
FOV only Camera anim is not working as intended.
UE - Gameplay - Feb 6, 2018FOV-track-only camera anim do not give effect to current camera. if the anim have transform track without any key, the anim works. Regression? yes. This is not reproduced in 4.13.2 launcher version ...
Camera jitter when using Crane Rig with Look At
UE - Anim - Sequencer - Jul 21, 2016Camera jitter when using Crane Rig with a Cine Camera that is using the Look At Functionality ...
Error when packaging C++ projects in 4.16 Binary
UE - Foundation - Core - Feb 23, 2017Packaging a C++ project for Android, iOS, or Windows produces an Error. This issue did not reproduce when testing in a source build from P4. Spoke with ChrisB and he believes this is due to the pac ...
Crash after enabling USD plugin in binary editor
UE - Foundation - Cpp Tools - Plugin System - Apr 27, 2017This crash occurs when enabling the USD plugin on the binary editor ...
BP - Nativized build will crash at runtime if a BP class enabled for nativization includes a ChildActorComponent with a BP not enabled for nativization set as the ChildActor class.
UE - Gameplay - Blueprint - Apr 20, 2017Note: The same crash will occur if the nativization mode is set to "Inclusive" in the Project settings and if the ChildActor BP class is a data-only Blueprint (i.e. has no script or member variables ...
Set Texture Object on Niagara Components no longer works for render targets.
UE - Niagara - Oct 27, 2021When adding support for cube texture ([Link Removed]) there was no check added for render targets, making them invalid for Set Texture Object, when they were previously supported. ...