UIScaleCurve float-point value in BaseEngine.ini lacks precision

UE - Editor - UI Systems - Slate - Jun 4, 2020

The screenshots below display 1920x1080pixel widget button. First one with Default DPIScaleCurve shows extra borders on the right and bottom. Next one with more precision shows no extra boundary. [ ...

Opening Persona causes editor to crash on Linux

UE - Platform - Linux - Nov 17, 2016

Attempting to open a skeletal mesh or animation in Persona causes the editor to crash. Regression: Yes Working: 4.13.2 - CL 3172292 Broken: 4.14.0 - CL 3195953 ...

Crash generating grass for landscape with XY offset map

UE - LD & Modeling - Terrain - Landscape - May 8, 2015

Landscape grass map generation crashes if the landscape component in question uses an XY offset map. --------- Fatal error: [Link Removed] [Line: 646] Rendering thread exception: Fatal error: [Lin ...

Expose light depth and position to Light Functions

UE - Graphics Features - Oct 14, 2019

Users have requested that light depth and light position are made available to Light Function Materials.Light Depth We seem to be calculating the per-pixel distance from the light to the surface in ...

Duplicated Parameters in a MPC cannot be used always return source results

UE - Rendering Architecture - Materials - Jun 15, 2015

When you duplicate a Parameter in a Material Parameter Collection instead of adding a new Parameter, the duplicated parameter always returns the same results as the source no matter the value entere ...

Spinbox displays values that differ from the value of the delta

UE - Editor - UI Systems - Nov 1, 2017

Spinbox displays values that differ from the value of the delta, when values are displayed for a spinbox their value always reads in the 0.000001 values, instead of listening to the delta. Unsure if ...

Check hit in FNetworkObjectList::MarkActiveInternal for dormant actor after seamless travel

UE - Networking - Nov 15, 2023

When seamlessly traveling, FNetworkObjectList will have its data cleared. However, because FNetworkObjectList::Reset is called before FNetworkObjectList::ResetDormancyState, AllNetworkObjects will b ...

This user project gets a continual ensure condition failed: CurrentDepthTexture during PIE and packaged games

UE - Graphics Features - Jun 25, 2015

Continual ensures while playing this user's project: LogOutputDevice: === Handled error: === Ensure condition failed: CurrentDepthTexture [Link Removed] [Line: 650] Stack: UE4Editor-Core.dll!FWind ...

Skylight has too much influence on Subsurface Scattering

UE - Graphics Features - May 9, 2017

Users on the AnswerHub are reporting that Skylights have too much effect on Subsurface Scattering. The argument here seems to be Movable Skylights versus Static/Stationary and their results regardi ...

Cannot Increment a Blackboard Key Value

UE - Gameplay - Blueprint - Feb 4, 2016

Getting a blackboard value as int and then attempting to increment it does not actually increment the value. Upon attempting to increment a value that started at 0, the editor continued to print out ...