Unreal Engine Issues
Unreal Engine Issues
Particle System check for IsActive in Blueprints does not reset
UE - Graphics Features - Jan 4, 2016When using a particle system in a blueprint and then moving the particle system off screen and then back on there is the node "Is Active" that can check to see if the Particle is still active. When ...
Editor crashes when selecting compile after copying a Custom event to another blueprint
UE - Gameplay - Blueprint - Jul 28, 2016User will hit an ensure first when pasting a copied custom event, and will crash after compiling. ...
Add and Renaming collapsed graphs in functions breaks refs to local vars
UE - Gameplay - Blueprint Compiler - Nov 6, 2020When creating a class (of any kind i.e. an actor), when a collapsed graph is compiled the ref breaks when adding or renaming the graph. ...
Morph target LOD over 0 not worrking with GPU skin
UE - Rendering Architecture - RHI - Dec 17, 2019I do not know what happen here and I need the help of the rendering team to debug this issue. There is no log at all even with -d3debug If you import the file SK_LOD_Morph_Working.fbx its a similar ...
Shadows cast on a translucent forward shaded materials renders with jagged edges
UE - Rendering Architecture - Materials - Mar 31, 2022Shadows cast on a translucent forward shaded materials renders with jagged edges. In 4.27 the edges are different with some jagged points only those points are not as prominent. [Link Removed] ...
Precomputed Visibility no longer calculated on Landscapes
UE - LD & Modeling - Terrain - Landscape - Jun 24, 2015Placing a Precomputed Visibility Volume around or through a landscape does not seem to calculate precomputed visibility for that landscape. This is a regression from behavior in 4.7.6. Also Tested ...
Changing a Packaged Game from Fullscreen to Windowed at Runtime Causes Title Bar to Disappear
Tools - Jul 6, 2016When changing a packaged game from Fullscreen to Windowed mode at runtime, the window is placed in the top left corner of the monitor and the title bar disappears. Setting FullscreenMode=2 in the G ...
Linear interpolation occurs on constant tangent curve partially
UE - Anim - Runtime - Feb 17, 2025When using UV scrolling for a flipbook-like animation in Animation Sequence, creating keys with "Constant Tangent" settings on Curve Editor does not result in an instantaneous change to the specifie ...
Attach actor to actor with the transform set to snap to appears to offset when calling it multiple times on multiple actors
UE - Gameplay - Blueprint - Dec 13, 2016Attach actor to actor with the transform set to "snap to" appears to offset when calling it multiple times on multiple actors. ...
[AI] Fill Collision Underneath for Navmesh does not work for ISM instances
UE - AI - Navigation - Sep 29, 2023Although the ISM component allows for enabling the flag for Fill Collision Underneath for Navmesh, it does not add the modifier for this to the navigation data for its instances. ...