Unreal Engine Issues
Unreal Engine Issues
Precision issues with 16-bit Skin Cache shaders.
UE - Rendering Architecture - Sep 2, 2025A licensee reported precision issues with position in the gpu skin cache shaders with 16-bit real types enabled. ...
Texture Files imported from 16 bit sources cannot be exported
Tools - Mar 15, 2015Textures files that are imported into the engine from 16 bit PNG files cannot be exported from the engine. Also Reproduced in Main Promotable-CL-2473270 ...
The order of Actors assigned to a Physics Constraint affects the simulation
UE - Simulation - Physics - Jun 8, 2018The order in which actors are listed on a physics constraint affects the physics simulation. This should not make any difference in how the physics are simulated. Regression?: No This occurred in ...
Game Controller Input affects editor input fields
Tools - Jun 30, 2015The joystick on a game controller input will take focus away from what you're working on if the joystick is moved or set in an odd position. ...
Light Propagation Volumes Not Affected by Emissive Area Light
UE - Graphics Features - Aug 1, 2018The light propagation volume is not affected by a material with emissive area light enabled. Found in 4.19 CL# 4033788, 4.20 CL# 4233996, 4.21 CL# 4246589 ...
SkyLight is not affecting the volumetric fog
UE - Graphics Features - Lumen - Nov 24, 2022Looks like this behavior was working as expected until 5.1 Preview 2 ...
Support for 16-bit precision for positions in vertex buffer
UE - Graphics Features - Sep 7, 2018Add support for 16-bit per component format for POSITION in vertex buffers as an option. Half-precision is already supported for UVs and TANGENTS on a per model basis, and was hoping that this woul ...
Append node appears to flicker when placing ~3 spaces in a pin
UE - Gameplay - Blueprint - Aug 22, 2016Append node appears to flicker when placing ~3 spaces in a pin. The pin does not appear to be able to choose a size and so it flickers randomly between them ...
Copy/Paste a data asset fields cause the fields to affect each other
Tools - Jul 7, 2016When an element of a data asset is copied into another field, the two fields become "linked" and further edits to one field begin to affect the other. ...
Children of Retainer Box cannot be interacted with when visibility is set to "Self Hit Test Invisible"
UE - Editor - UI Systems - Jun 19, 2017When there is a Retainer box with the visibility set to "Self Hit Test Invisible" and has children, the children cannot be interacted with. Children such as a button cannot be clicked. This issue c ...