Unreal Engine Issues
Unreal Engine Issues
Crash on startup with a Blueprint deriving from an abstract class with a SpriteComponent
Tools - Feb 7, 2018Appears to be an issue with load order and the timing of when we populate the 'ShowSpriteCommands' and 'SpriteIDToIndexMap' containers, which we assert on if they're not the same size. The original ...
Using Collapse to Function with a For Each Loop Adds a Return Node to the Loop Body
UE - Gameplay - Blueprint - Nov 16, 2015When you create a blueprint setup with a For Each loop and attempt to use Collapse to Function, the return node is connected to the loop body as well as the completed pin. This causes an issue becau ...
Imported FBX causes a crash
Tools - Apr 22, 2016Edit MattK: This seems like more of a cooking issue than an fbx issue. The crash is related to nav collision When adding a FBX import into your project, if you do not close the project out and ope ...
Nvidia Graphics Drivers cause editor menus to flicker and disappear after using the editor for an extended period of time
UE - Graphics Features - Apr 16, 2021This issue seems to be occurring on a variety of Nvidia cards. So far, I haven't seen any indication that it is affecting AMD graphics cards. The majority of the reports have indicating that the pro ...
Multi-Material Skeletal Meshes assigned a Material in Details panel lose access to all other materials
OLD - Anim - Nov 21, 2014When you assign a Material to a Multi-Material Skeletal Mesh via the Mesh's Level Viewport Details Panel, you will lose access to all the other material Elements after the first assignment. For ins ...
World Origin Rebasing Causing Camera to be Offset From Location When Exiting PIE on a Large Map
UE - LD & Modeling - Terrain - Landscape - Jul 6, 2017When using World Origin Rebasing, it is possible for the camera to offset itself from your starting location when exiting PIE. This will cause the next PIE session that starts at Current Camera Loca ...
GPU Particle Emitters not Inheriting Velocity from Event Generator Particle Module
UE - Niagara - Jun 17, 2016When using an Event Generator in a particle emitter that passes velocity for other emitters to inherit, only CPU emitters take on the velocity, and not the GPU emitters. In the test case/project I ...
World Space Transparent Widgets Have Motion Blur
UE - Editor - UI Systems - Feb 24, 2020When a world space widget has their blend mode set to transparent they look blurry in motion. The effect is more pronounced when the camera rotates instead of when it is translated. Found in 4.24.2 ...
Output Log In Engine and In Local Log File Are Inconsistent
UE - Foundation - Core - Feb 21, 2020The Log Timestamp doesn't display in local time when "Log Timestamp Mode" and "Display Timezone" are set to "Local Time". Found in 4.24.2 CL#11100242 Reproduced in 4.23.1 CL#9631420, 4.26 Main CL#1 ...
Engine Hangs after Exiting Standalone Mode
UE - Graphics Features - Dec 1, 2016Users are reporting hangs after exiting Standalone or other various windows launched through the editor. The resolution has already been found, but I am reporting for transparency. Note In order t ...