Unreal Engine Issues
Unreal Engine Issues
Noticeable input delay at lower FPS while Playing in Editor
UE - Editor - UI Systems - Mar 1, 2022When playing in editor is running at a lower fps (<20) there is very noticeable input delay that wasn't present in 4.27.2. Works correctly while playing in Stand Alone or Packaged. Tracked this iss ...
Blueprint 'Select' node: nodes connect to all input pins are evaluated while only one input is needed
UE - Gameplay - Blueprint - Aug 15, 2015Originally marked Won't Fix in 2017. Issue reopened on May 1, 2024. All inputs of a Select blueprint node are evaluated, even though in the end only one value is selected. This is wasteful work. ...
Integer Blueprint variables reset the Bitmask Enum setting when the Editor closes
UE - Gameplay - Feb 28, 2019User created Bitmask flag Enumerators are not correctly stored and retrieved from Blueprint Integer variable settings. When the Editor is restarted the value of the Integer's Bitmask Enum is set to ...
Output warning log message for loading source texture of paper2D in Editor.
UE - Gameplay - Paper2D - Jul 30, 2020Outputs a warning log for loading source texture when Papaer2D is loaded in Editor. This may be due to a conflict post load of Paper2D and load source texture. The warning log is output only in ...
Changing blueprint default values inside arrays only updates loaded child blueprints
UE - Foundation - Core - Jul 30, 2020The rules for delta serialization in UE4 are complicated, and the editor tries to hide them from you, which works 90% of the time but can lead to confusion and data loss in other situations. In the ...
New Viewport Resolution setting increases every time a new PIE window is launched
UE - Editor - UI Systems - Slate - Sep 2, 2022When closing a PIE viewport, we write the size back to the New Viewport Resolution setting in case the window was resized during play. However, we do not account for the window border, and write bac ...
[Feature Request] Artists want "importing fbx chunks" functionality back in chaos fracture.
UE - Simulation - Physics - Destruction - Jun 11, 2021Some artist customers want a tool to customize fractured mesh in chaos fracture just like the functionality "import fbx chunks" in APEX destruction, that could give them more controllability of the ...
Cooked materials and material instances size have doubled when upgrading from 5.1.0 to 5.2.0
UE - Rendering Architecture - Materials - Jul 18, 2023UDN: [Link Removed] A UDN customer has observed that their cooked materials have doubled in asset size going from 5.1 to 5.2. We need to investigate this is only a local issue on their side and no ...
[UDN - 00707230] DetailLayoutHelpers ensure when using VisibleAnywhere Instanced properties
UE - Editor - Workflow Systems - Jan 11, 2024From UDN Description Hello, there's an ensure that's firing in `DetailLayoutHelpers.cpp#137`: [Start code block] ensure(PropertyNodeMap.ParentProperty == CurObjectNode); [End code block]when ...
Inversing the scale of a skeletal mesh when it's simulating physics results in the mesh and collision being flipped
UE - Simulation - Physics - Mar 18, 2021The attached project has 3 skeletal meshes. One with its original transform and then 2 copies with an inversed scale in the X axis for one and the Y axis for the other. When pressing play, the meshe ...