Unreal Engine Issues
Unreal Engine Issues
Crash Occurs when changing the 'Max Metal Shader Standard To Target' option within iOS Project Settings
UE - Platform - Mobile - Jan 26, 2017A crash occurs when setting the Max Metal Standard Shader version within the Project Settings for iOS. I tested on both Mac and PC and the crash occurs on both machines. Regression? No, this is not ...
[CrashReport] Deleting pins on Switch on Gameplay Tag Container node can cause a crash
UE - Gameplay - Blueprint Editor - Mar 15, 2017When adding/removing pins on a Switch on Gameplay Tag Container node, it can cause a crash. There are multiple ways to get this to happen when deleting pins, the order given in the reproduction step ...
CharacterMovement component is not accurately reflecting the characters velocity when becoming uncontrolled during movement.
UE - Gameplay - Sep 16, 2019The boolean "bRunPhysicsWithNoController" has an attached note that reads: " * Normally without a Controller, movement will be aborted and velocity and acceleration are zeroed if the character is w ...
Material Particle SubUV Sample does not work with Tex Object
UE - Rendering Architecture - Materials - Aug 29, 2025The Particle SubUV Sample node uses its own texture object reference instead of the one provided by the texture object node. ...
Retriggerable delays do not work on tick events
UE - Gameplay - Blueprint - Mar 18, 2015Retriggerable delays and the nodes after are not recognized when triggered by tick events. ...
LIVE: Character is jittering with Blend-Weights enabled
OLD - Anim - Oct 31, 2014When changing the value of the blendweights of a character in a level, it is breaking the animation that the character has and causign the animation to show as jittery. ...
TargetArray nodes are reported as invalid if played in Standalone mode but not in PIE
UE - Gameplay - Blueprint - Feb 20, 2015TargetArray nodes are reported as invalid if played in Standalone mode and the blueprints they are contained in are not rendered. Playing in PIE however works correctly and all blueprints are rende ...
4.14 Launcher version ships with UE4-VulkanRHI*.a but requires Github source
UE - Platform - Mobile - Nov 7, 2016Launcher build ships with VulkanRHI Android binaries but do not seem to support Vulkan on Android from the launcher build without source. ...
Color and Opacity animation option does not play for Button component
UE - Editor - UI Systems - Aug 25, 2017Color and Opacity animation option does not play for Button component, this occurs both in the Widget editor and during play. This issue is not a regression Versions Tested: 4.16.3 - CL: 3561208 - ...
Params in material instance disappear when grouping is changed in material with a material layer
UE - Rendering Architecture - Materials - Jan 11, 2025If there is a texture parameter within a specific material attribute stream in the base material and also within the base material layer, they must have the same parameter group otherwise the parame ...