Unreal Engine Issues
Unreal Engine Issues
Reset to default behavior for arrays is inconsistent about updating customized struct headers
UE - Editor - Workflow Systems - Jun 22, 2023The behavior for resetting the default for customized struct properties is inconsistent and needs to be reviewed and fixed. Currently we see this behavior:In non-array properties, the header will be ...
BlueprintGetter does not work with or disable AnimGraph Fast Path
OLD - Anim - Jan 23, 2020When used as part of the fast path in an ABP, variable Blueprint Getters are not used. If something with a getter that does not conform to or is supported by fast path, is used then fast path should ...
Animation Blueprint does not update in editor if ActorComponent UProperty is changed while ActorComponent is selected on placed Actor
UE - Gameplay - Components - Apr 14, 2020At editor-time (ie, while using the editor and NOT in a PIE session), the Animation Blueprint's ability to read updated values appears to depend on what component of an Actor is currently selected, ...
VirtualJoystick continues inputs after setting new Touch Interface to none
UE - Platform - Mobile - Jul 29, 2016If you set the Touch interface to none while there is currently inputs being registered, the inputs will continue forever. I also found that if you set the Touch interface to an actual asset the pla ...
Crash when updating instanced subobjects in a USTRUCT
UE - Gameplay - Blueprint - Jul 5, 2017Attempting to edit array of instanced subobjects causes the editor to crash. ...
ARKit portrait image aspect ratio incorrect on iPhone 6s,7, probably all phones.
UE - Platform - XR - Nov 29, 2017As described in this UDN thread, the iPhone 7 manifests incorrect image aspect ratiohttps://udn.unrealengine.com/questions/403841/ios-arkit-portrait-mode-stretching-on-iphone-7.html [Link Removed] ...
TArray64 RangeCheck prints the incorrect error messages for values over 32-bit length
UE - CoreTech - Apr 27, 2022TArray64 RangeCheck prints the incorrect error messages for values over 32 bit. Repro Rate: 4/4 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did occur there, it is not a regressi ...
Bindless Textures do not mip stream as expected
UE - Rendering Architecture - RHI - Jan 29, 2025Bindless textures do not appear to stream mip levels. This issue is separate from an already reported bindless virtual texture streaming issue. When the editor is freshly launched or when mip level ...
A crash can occur when multiple Actors are spawned/destroyed simultaneously with each one loading an asset.
UE - Foundation - Core - Jan 6, 2017A crash can occur if multiple Actors are spawned/destroyed simultaneously, with each Actor loading an asset when it is spawned. This does not occur 100% of the time, but it does occur quite frequent ...
DefaultToSelf on a TScriptInterface parameter does not default correctly
UE - Gameplay - Blueprint - Aug 31, 2020This issue seems to stem from the incorrect constructor being called for TScriptInterface, so the correct Interface pointer does not get called. If you explicitly connect a reference to "Self" to ...