Unreal Engine Issues
Unreal Engine Issues
Scene Capture 2D causes Android to Crash
UE - Platform - Mobile - Sep 15, 2015Scene Capture 2D causes the app to crash on Android in ETC2. I checked iPhone and I did not receive a crash. ...
Second UVs wiped when using Merge Actors Tool
UE - World Creation - Worldbuilding Tools - HLOD - Jan 26, 2017The merge actor tool no longer saves additional UVs used for the merged mesh. This was not the case in 4.13, but in 4.14 and later this information is no longer present. Also worth noting is that i ...
Subsurface Profile Materials That Are Illuminated By Particle Lights Render White
UE - Graphics Features - Feb 9, 2017Due to the changes made to subsurface profile (implementation of full resolution skin shading) it now renders white or with heavily faded base colors under certain conditions. In this case it is wh ...
Check() crash in merge tool when using SVN
UE - Gameplay - Blueprint Editor - Oct 21, 2015A UDN user found a crash in the merge tool when using SVN. https://udn.unrealengine.com/questions/265740/crashbug-with-svn-merging.html The failing check() crash occurs in LoadBaseRev (Merge.cpp): ...
Bloom Blown Out In Forward Shading With MSAA and Separate Translucency Enabled
UE - Graphics Features - Mar 31, 2017When a material is utilizing emissive color, separate translucency, and the project is using MSAA the material will give off intense bloom to the point of flashing the screen. [UPDATE] After addit ...
ForLoop used inside BP Function Library always returns 0 index when used in a Construction Script
UE - Gameplay - Sep 18, 2018Using a For Loop inside of a Blueprint Function or Function Library will always return index 0 when used in the Construction Script. This was reported and tested in 4.19.2 (CL-4033788). This was r ...
Scrollbox under multiple retainerboxes doesn’t scroll correctly with PIE
UE - Editor - UI Systems - Aug 14, 2019When the scrollbox as the child of multiple retainerboxes, the scroll isn't smoothing. It can see issue with PIE only. If it run with standalone (or package build) is fine. In SScrollBar::ExecuteO ...
"Assertion failed: NumberOfFreeBits >= 0" on clients that attempt to connect to a server with the -NoPacketHandler option
UE - Networking - Oct 6, 2020With the rework of IP address resolution in 4.25, this assert now occurs. When no packet handler is used, UPendingNetGame::InitNetDriver calls SendInitialJoin() immediately, before async address res ...
Material slot assignment incorrect after mesh reduction completely removes all triangles from a section
When mesh reduction results in a section becoming empty, the material slots are incorrectly assigned. e.g. if section 0 gets removed due to it having no triangles after reduction, then its material ...
USplineComponent::GetDistanceAlongSplineAtSplineInputKey returns incorrect result when input keys are not sequential
UE - Editor - Workflow Systems - May 18, 2022USplineComponent::GetDistanceAlongSplineAtInputKey() returns the wrong value when the input keys are not sequential because it interprets the input key argument as the spline point index. Thus if th ...