Unreal Engine Issues
Unreal Engine Issues
Strange crash occurring from project When upgrading from 4.16 to 4.17
UE - Gameplay - Blueprint Compiler - Aug 2, 2017There are a string of crashes that are occurring with UMG as the cause of the crash. This occurs when the project is upgraded from 4.16 to 4.17. With the project provided making any change to the B ...
Items in the Levels window can no longer be reorganized
Tools - Nov 9, 2017Some changes were made to the Levels window for 4.17 which allowed sublevels to be organized into folders. It appears a side effect of this change was that levels can no longer be manually reorganiz ...
Instanced Properties create temporary references on child objects in Blueprints
UE - Gameplay - Blueprint - Nov 29, 2017When an object whose class has the EditInlineNew specifier is added to an instanced property, any children of the blueprint will have a reference to the same object that was created for the instance ...
Android app will get crashed if it disable HDR and run with Vulkan API
UE - Platform - Mobile - May 17, 2018The backtrace is： F/DEBUG : backtrace: F/DEBUG : #00 pc 00070e22 /vendor/lib/hw/vulkan.msm8994.so (A4xCommandBuffer::HwProcessWorkload(QglWorkload*)+585) F/DEBUG : #01 pc 0004758d / ...
Simulated ability tasks not being cleaned up in UActorChannel::ReplicationMap
UE - Networking - Nov 20, 2018I've noticed the issue occurring in both 4.20.3 (CL 4369336) and 4.21.0 (CL 4541578). The user on AnswerHub has also noticed the issue in 4.20.2 (CL unknown) and claims the issue did not occur in 4. ...
Editor crashes when using Convolution Bloom executing High Resolution screenshot.
UE - Graphics Features - Mar 25, 2019I confirmed in UE4.21.2. I attached the project to reproducte the problem. ...
255x255 Quads Landscape on mobile is broken
UE - Platform - Mobile - Sep 13, 2019This issue is reproduced on mobile devices. According to the information from the licensee, it occurs with the following settings.[Link Removed] When executed, the following warning is displayed."L ...
Convert to function to event incorrectly shows up when editing BP Interface Blueprints
UE - Gameplay - Blueprint Editor - Oct 29, 2020The BP interface graph shouldn't be able to convert functions to events because they are inherently all function graphs. ...
Persistent Local Booleans do not serialize with CPF_SaveGame
UE - Gameplay - Blueprint Runtime - Nov 30, 2020A persistent local boolean will not serialize even though it is marked with CPF_SaveGame, when other types will (such as an integer). [Image Removed] [Image Removed] ...
FConsoleVariableBase::SetOnChangedCallback behaves incompatibly with previous versions
UE - Niagara - Jun 17, 2021FConsoleVariable::OnChangedCallback was changed to a multicast delegate in 4.26. Along with this, FConsoleVariableBase::SetOnChangedCallback was implemented to emulate a single delegate for compatib ...