Unreal Engine Issues
Unreal Engine Issues
On Released fires when holding down a button when using touch (mouse/finger not moving)
UE - Editor - UI Systems - Sep 26, 2017On Released fires when holding down a button when using touch with the mouse or finger. This happens in mobile preview as well as on devices. As a note, if he mouse is moved before the release auto ...
Impossible to reparent blueprint class that has a broken parent class when using compilation manager
UE - Gameplay - Blueprint Compiler - Dec 8, 2017Alternatively use BP_ParentClassIsMissingType in QAGame ...
Blueprint EventDispatchers unable to be reordered
UE - Gameplay - Blueprint Editor - Feb 15, 2018UI appears to support EventDispatcher reordering, however reordering does not occur. ...
Memory Leak when Debugging Blueprint
UE - Rendering Architecture - RHI - May 2, 2018RAM usage continually increases when debugger is active https://answers.unrealengine.com/questions/784443/ue-4191-memory-leak-while-using-blueprint-debugger.html ...
UMG Designer preview: Incorrect resolution on Samsung s8 and s9
UE - Editor - UI Systems - Jul 30, 2018"By default, the device profile for android_high (which is used by phones such as the galaxy s8 and s9) gives a scale factor of 1.0 resulting in 1280x720. When choosing a ~2:1 device such as the gal ...
Sequencer:The Spawned AnimBP variable is not changed during the second play
UE - Anim - Sequencer - Dec 14, 2018The Spawned AnimBP variable is not changed during the second play. When changing Spawned AnimBP variables from Sequencer Track, the first change works correct. Second time, It can not be changed co ...
Re-opening a Level with Datasmith Animation loses hierarchy
UE - Editor - Content Pipeline - Datasmith - Importer - May 7, 2019It appears to be an issue with persistence and the sequencer. If the level is saved and reloaded without opening the sequencer all hierarchy is fineif you open the sequencer, then save the level, ...
Particles can not be displayed once they disappear in ParticleLOD
UE - Niagara - Jul 22, 2019I have attached a project to reproduce. [Link Removed] The problem is that if there are multiple emitters It seems to reproduce when all Emitter is Disable. It works well if there is one Enable. [ ...
Rect lights cause visual noise on the light rendered when using raytracing
UE - Graphics Features - Lumen - Nov 12, 2019Rect lights cause visual noise on the light rendered when using raytracing. It is easier to see when you get rid of all other light sources in the scene. I have attached an example project. This se ...
Engine Crashes When Trying To Reimport Skeletal Mesh For One That Has No Clothing Data
UE - Simulation - Physics - Character - Jan 17, 2020The engine crashes when trying to reimport a skeletal mesh that has no clothing data. This seems related to https://jira.it.epicgames.net/browse/UE-86948. Found in 4.24.1 CL#10757647 Reproduced in ...