Unreal Engine Issues
Unreal Engine Issues
Removing a parameter from a blueprint function in a library can cause actor classes calling it to lose their parent or instance data
UE - Gameplay - Blueprint - Oct 4, 2018Compile errors caused by an actor calling a function with something hooked up to a removed parameter can cause that actor to lose it's place in the hierarchy. Typically, the actor will be fixed once ...
Construction script in parent blueprint calling function in child blueprint resets upon compiling child blueprint
UE - Gameplay - Blueprint - Apr 11, 2016If the construction script of a parent blueprint calls a function within a child of that parent in the construction script, compiling the child blueprint will cause the parent blueprint to incorrect ...
Moveable/Stationary Point Lights do not render in Orthographic View
UE - Graphics Features - Aug 25, 2016When using an orthographic camera all point lights set to movable or stationary stop rendering while playing in the editor. This is also broken in standalone game. Note I've attached the project f ...
Landscapes do not Render when used with Lighting Scenarios on Mobile
UE - Platform - Mobile - May 15, 2017Landscapes disappear using Lighting Scenarios when deployed to a mobile device. When playing in the editor using the mobile previewer, everything looks as expected. It only occurs when deployed to ...
Custom Event functions cannot be called in sublevel event graphs if sublevel is not visible
UE - Gameplay - Blueprint - Aug 1, 2016Calling a custom event in a sublevel blueprint of a sublevel that is currently hidden will not show the custom event's function in the context menu. Regression (no) issue (does) occur in 4.11.2 ...
Level sequencer's play to(second) function not working as expected
UE - Anim - Sequencer - Aug 22, 2019The function Play to(seconds) does not functions as it's tooltip implies. "Play the sequence from the current time, to the specified time in seconds". The function instead snaps to the specified tim ...
Breakpoints don't work in Anim Node Functions
UE - Anim - Runtime - Anim Blueprints - Jun 27, 2023Anim node functions are difficult to debug because breakpoints don't get triggered, and printing is difficult from within the function too. ...
Incorrect static lighting on InstancedStaticMeshes
UE - World Creation - Worldbuilding Tools - Foliage - Nov 27, 2014Sometimes instances of an InstancdStaticMeshComponent have an incorrect hue after building static lighting. In the thread, the user provides a repro map ...
Lightmap Density Of Imported FBX Offsetting When Lighting Is Built
UE - Graphics Features - Oct 8, 2018Lightmap density of imported fbxs will be offset when lighting is built. Working as expected in 4.19 CL# 4033788 Found in 4.20 CL# 4369336, 4.22 CL# 4433008 This is a regression ...
Optimization Viewmode Quad Overdraw Remains on Screen After Switching to Stationary Light Overlap
UE - Graphics Features - Jan 29, 2018The optimization view mode 'Quad Overdraw' image is not properly cleaned up when switching directly to 'Stationary Light Overlap' view mode. See attached images. ...