Unreal Engine Issues
Unreal Engine Issues
Event Dispatcher implementation called several times (number of bound refs increases every compile)
UE - Gameplay - Jun 26, 2018The number of calls to the Event Dispatcher increase each time the blueprint actor containing the reference is compiled. This issue was not present in 4.18.3 (CL-3832480) but is in 4.19.2 (CL-403378 ...
GPU Particles Don't Spawn at Correct Location When Used as Collision Event Receiver
UE - Niagara - Oct 8, 2018GPU emitter doesn't spawn particles at expected location when it is an event receiver. Also disabling Interpolate Spawning in the emitter properties affect this behavior as well, making the particle ...
Progress Percent is removed from UMG Progress Bar when Transform Shear value is changed
UE - Graphics Features - Nov 8, 2018Modifying the Shear values on a Progress Bar in a Widget Blueprint cause it to lose its Fill Color and set Progress. This is a regression from 4.20.3 (CL-4369336). Reproes with -vulkan on both Linux ...
UCanvasPanelSlot::PostEditChangeChainProperty does not call Super function
UE - Editor - UI Systems - Nov 13, 2018UCanvasPanelSlot::PostEditChangeChainProperty not only does not call its Super function unless the anchor node has been set, but it calls Super:: PostEditChangeProperty instead PostEditChainProperty ...
Converting an Actor to spawnable/possessable in Sequencer makes it lose its position in the Track Panel.
UE - Anim - Sequencer - Nov 15, 2018Converting an Actor to spawnable/possessable in a Sequence causes it lose its position in the track panel. If the Actor was in a folder it will need to be added back to that folder. This was report ...
Slight menu lag when using Vulkan on Linux
UE - Platform - Linux - Dec 12, 2018When using the UE4 Editor with Vulkan there is a slight lag when navigating through the menu options. This lag is not present when launching with OpenGL nor is it present on Windows with -vulkan. ...
Objects with centered pivots become Actors instead of StaticMeshActors when imported via Datasmith
UE - Editor - Content Pipeline - Datasmith - Exporters - Jan 18, 2019When selecting "affect pivot only" and choosing "center pivot" on 56 objects in 3DS Max 2019, 4 of them imported into Datasmith as Actors and not StaticMeshActors. This makes it seemingly impossible ...
Game view cannot be changed in Orthographic view
Tools - Sep 29, 2017The Game view cannot be changed in Orthographic view despite that the Orthographic views can be affected by the game view options. This issue does not appear to be a regression. Versions Tested: Is ...
Hot Reload fails when project code class that derives from a plugin code class is modified
UE - Foundation - Cpp Tools - Hot Reload - Oct 11, 2018Hot Reloading fails in 4.21 if a project code class that derives from a plugin code class is modified. The Editor appears to be looking for a corresponding Hot Reload .dll for the plugin, even thoug ...
Movement Tolerance for Spawn Per Unit Does Not Function
UE - Niagara - Oct 19, 2018Motion tolerance for Spawn Per Unit does not affect the particle system. Even if the vaules are set very high. Found in 4.18 CL# 3832480, 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 Preview 2 CL# 4472 ...