Unreal Engine Issues
Unreal Engine Issues
Procedural Mesh generated on BeginPlay does not collide with sweep actors in a packaged game
UE - Gameplay - Nov 10, 2016If a Procedural Mesh is created on BeginPlay (at runtime) instead of in the Construction Script, collision with non-player objects does not register correctly in packaged or launched games. This wor ...
Start Up Movies Are not Playing for iOS Devices when using Launch-On
UE - Platform - Mobile - Dec 9, 2016When designating 3 Intro/Start Up movies to play back to back in the Project Settings of a mobile project, the user reports that they will play as expected for Android devices, but only one movie wi ...
Video files do not play in scene after LaunchOn to iOS from Windows
UE - Platform - Mobile - Sep 30, 2016While attempting LaunchOn to an iOS device, the video and audio does not play. Attempts were made using the following video formats:mp4movavi Attempts were made using the following devices:iPhone 5 ...
Eyedropper in the Color Picker window does not grab any color values on Mac/Linux
UE - Graphics Features - Jan 5, 2018Trying to use the eyedropper in the color picker window on Mac fails to grab any color values. The colors will only update when hovering or clicking within the viewport but the colors shown aren't c ...
Inconsistent Red X icons when using World Composition
UE - World Creation - Worldbuilding Tools - World Composition - Sep 20, 2018This issue takes a few attempts to repro. Sometimes when saving the icons will remain normal, but other times a red X will be displayed instead. Opening up the Level that is displaying the X and re= ...
CharacterMovementComponent causes the Character to slide when jumping on moving objects
UE - Gameplay - Player Movement - Sep 21, 2018When the CharacterMovementComponent makes the transition from falling to walking, it retains the forward velocity it had while falling. When the character lands on the moving object, its new velocit ...
When a client sends an Unreliable RPC to the Server in same frame with a Reliable RPC, Unreliable RPCs are Reliable
UE - Networking - Sep 25, 2018When a client sends an Unreliable RPC to the Server in same frame with a Reliable RPC, Unreliable RPCs are Reliable. It implies extremely high lag on each lost RPC and all following ones. User lose ...
Engine/Extras/MayaLiveLink not provided in install directory
OLD - Anim - Nov 19, 2018According to the Maya Live Link documentation, the zip file should be provided in the engine installation. https://docs.unrealengine.com/en-us/Engine/Animation/Live-Link-Plugin/Connecting-Unreal-Eng ...
Morph Target Previewer does not refresh during Reimport
Tools - Jun 19, 2018Reimporting an asset with Morph Targets does not refresh the Morph Target Previewer. Any newly-imported Morph Targets appear to not have been imported. Closing and reopening the Skeletal Mesh Editor ...
Transform node which transforms a vector from mesh particle space to world space in vertex shader doesn't work on ue4.25
UE - Niagara - May 27, 2020Transform node which transforms vector from mesh particle space to world space in vertex shader always returns 0. In ue4.24, it works fine. This behavior has been changed in CL#12558699. Removing f ...