Unreal Engine Issues
Unreal Engine Issues
Can't PIE or Save: Editor gets into odd state when editing parameters.
Tools - Jul 20, 2016I've seen this happen in other areas of the editor as well: Data Table fields (floats) for example. Manually typing in numbers to fields seems less prone to this error; using spinners to drag value ...
Crash attempting to drive a Pawn with no torque
UE - Simulation - Physics - Oct 24, 2016Crash occurs when the user attempts to drive a non-Vehicle pawn (using a Vehicle Wheel Movement component) with the Torque Curve flattened to 0. I was not able to reproduce this crash when I tried ...
Expose 'WorldUp' direction for CableComponents
UE - Gameplay - Oct 13, 2015When the Cable component is set to specific rotations it will no longer render the cable actor that is attached to a mesh. Image is attached with multiple setups. Workaround to get it to render: ...
iOS movie become laggy and crashes when played in iPhone 6/6s.
UE - Platform - Mobile - Feb 24, 2017Movie play in iOS is laggy and crashes in some movie. This issue seems to be happening when the movie is played in umg widget. Tested in 4.14.3 4.15 Dev_Mobile Latest as of 2/24 Original UDN post ...
Crash when using Vertex painter with material including cubemap texture sampler
OLD - Anim - Jul 3, 2017Engine crashes when static mesh have material with cube sampler in vertex painter mode. Simply DaylightAmbientCubemap_Mat have texture cube as texture sampler. This is not reproduced in 4.15 versi ...
DataAssets with a field called "Name" can cause multiple Name columns to appear in the content browser
UE - Editor - Content Pipeline - Content Browser - Jul 18, 2017A DataAsset with a FText property called "Name" will confuse the content browser, causing it to create a new column each time the folder containing the DataAsset is entered. This appears to be a cor ...
AssetManager does not correctly call delegates if bShouldUseSynchronousLoad is true
UE - Gameplay - Oct 3, 2018There's a bug in UAssetManager::LoadAssetList where the passed in DelegateToCall is not being called in the bShouldUseSynchronousLoad case. This can cause gameplay logic to fail when that bool is tr ...
Copy+Paste with custom widget seems to "break link" with default values
UE - Editor - UI Systems - Nov 8, 2018It should be noted that this issue does not occur if you were to create a new "test widget" (by dragging it from the widget list) every time instead of copying and pasting an existing widget. The i ...
A SoftPathObject as an input parameter referenced by a Blueprint Node didn't cook out
UE - Gameplay - Blueprint Compiler - Jul 27, 2019The input paramter is a type of UEdGraphPin. The PinType.PinCategory can be softobject or softclass, and the reference path is saved in a paramter named DefaultValue of UEdGraphPin.The DefaultValue ...
FMatrix::ErrorEnsure(const TCHAR* Message) doesn't output TCHAR parameter
UE - Foundation - Core - Oct 30, 2019FMatrix::ErrorEnsure(const TCHAR* Message) doesn't output the message passed to it. Found in 4.23 CL#9631420 Reproduced in 4.22.3 CL#7053642, 4.24.0 CL#9892386, 4.25 Main CL#9892271 ...