Unreal Engine Issues
Unreal Engine Issues
Visual flicker occurs with object during play
UE - Graphics Features - Sep 5, 2017There is an issue occurring where objects are flickering, and what appears to be jittering at set distances when rendering, increasing the bounds of the mesh pushes the distance for the issue out. T ...
Editing sets and maps of structures does not correctly check for duplicates
UE - Editor - Workflow Systems - Apr 12, 2022Customer created a custom DataTable with a TSet Property and saw the behavior of allowing duplicate elements within the TSet, which is not allowed. See TSet Documentation for more information. This ...
Blueprint icon flashes when hovered over
UE - Editor - Content Pipeline - Content Browser - Mar 24, 2015Blueprint icon flashes constantly when mouse is hovering over it; this only occurs with a specific type of blueprint class. . Branch: Binary, from Launcher . Build Version: 4.7.3 . Description: T ...
Blueprint Diff tool does not mark changed properties as having been changed if they are in a custom nested category
UE - Gameplay - Blueprint - Jun 12, 2018The Blueprint Diff tool does not highlight properties that have been changed from a previous version of the Blueprint if those properties are contained in a custom nested category. REGRESSION: No. ...
Renaming a struct variable with special characters shows no warning
UE - Gameplay - Blueprint - Sep 23, 2015When you go to rename a struct variable, there are no warnings that indicate that you cannot use special characters, but they are immediately deleted if you try to use them in the variable name. F ...
Draw Brush Polys setting does not display translucent Material
Tools - Oct 13, 2017The Draw Brush Polys setting does not display translucent Material in versions 4.17 and higher, instead, checking the option appears to do nothing. This issue does not occur in 4.16.3, this issue is ...
Can't set Event replication settings when delegate output pin is connected
UE - Gameplay - Blueprint Editor - Feb 19, 2018User Reported Bug Replication Settings no longer editable after event delegate is connected. Doesn't seem to affect functionality, only UI. (replication settings stay as set before plugging delega ...
Axis changes when performing FBX import / export with "Force Front X Axis" enabled
UE - Editor - Content Pipeline - Import and Export - Jan 6, 20201. Import the attached test.FBX with "Force Front X Axis" enabled. 2. Export the imported skeletal mesh with "Force Front X Axis" enabled. (Test_export.FBX) 3. The axis does not match in test.FBX an ...
UMG Animations on existing widgets break when loading new level
UE - Editor - UI Systems - Jan 14, 2021Marking as a regression as this does not occur in 4.25.4 User description: I want to have UMG UI that persists for the lifetime of the game so I create my root widget and add it to the viewport fr ...
GAS: Ability that destroys owning actor on activate causes crashes due to ABILITYLIST_SCOPE_LOCK
UE - Gameplay - Gameplay Ability System - Oct 31, 2023A GameplayAbility that destroys its owning actor inside ActivateAbility() causes a crash, because actor destruction will modify the ability list but ActivateAbility() is called within an ABILITYLIST ...