Unreal Engine Issues
Unreal Engine Issues
Significant frame drop while blueprint nodes are being rendered on other monitor.
UE - Editor - UI Systems - Slate - Oct 21, 2016The nodes in the blueprint editor require a lot of resources to render, causing framerate issues whenever they're being shown. The more that are shown, the worse the framerate issues. While a framer ...
On project upgrade, SubImageIndex breaks until you re-assign SubUV Animation
UE - Graphics Features - Jun 20, 2016On project upgrade, SubImageIndex breaks until you re-assign SubUV Animation Attached project is a 4.11 project, you'll need to Open a Copy in 4.12 or 4.13 ...
Particle Ribbon's do not work in packaged game
UE - Graphics Features - Apr 5, 2016When a particle system has a ribbon trail it will not render when viewed in a packaged game. Attached sample asset from Content Examples with Ribbon Trail. This issue did not occur in 4.10.4, bu ...
Editor crashes when right clicking a box collision after adding a converted static mesh in blueprint editor
UE - Gameplay - Blueprint - Sep 1, 2016I created a cylinder with a subtractive cylinder inside of it. I also used a box BSP with a subtractive box inside of it and got the crash to repro. I tried with a sphere BSP twice and didn't get ...
Slate Remote Enable Remove Server option in Project Settings -> Plugins causes editor to freeze and a memory leak
UE - Foundation - Cpp Tools - Plugin System - Sep 13, 2016If a user enables Remove Server in Slate Remote plugin in project settings, the editor will become unresponsive and memory usage will continually climb. Regression: Working in 3039270 (4.12.5 rele ...
Float Curve that is set as a local variable in an actor's function is garbage collected when in Standalone, causing a crash
UE - Gameplay - Blueprint - Sep 9, 2016If a Curve Float local variable is created for a function, it will be garbage collected when garbage collection occurs. This causes the process to crash due to an null pointer error whenever it is r ...
Changes to InputMappingContext made during game play revert to previous state after restarting engine
UE - Gameplay - Input - Nov 21, 2022Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. The following Blueprint nodes are affected by the same issue:Map KeyUnmap KeyAdd Playe ...
Mesh Paint mode's Texture Paint has obvious artifact with UV seams
UE - Rendering Architecture - Oct 8, 2024Mesh Painting Texture Paint tool can miss some pixels along UV seams, even with "Enable Seam Painting" set to True. This appears to be because of the difference between rasterization and sampling. ...
Cast Translucent as Masked in the Material Editor is no longer working
UE - Graphics Features - Apr 7, 2016When enabling the option for Cast Shadow as Masked in the Material for a translucent object the shadow is no longer baked when building lighting. Using Stationary or Static Lighting will give the sa ...
Crash when changing the number of instances in a grouped sprite component at runtime
UE - Gameplay - Paper2D - Aug 4, 2016A crash occurs when you remove a Sprite Instance within a Paper Grouped Sprite component of an Actor BP on Event Begin Play. I was able to reproduce this crash in the binary releases of 4.11.2 and ...