Unreal Engine Issues
Unreal Engine Issues
Inconsistent Red X icons when using World Composition
UE - World Creation - Worldbuilding Tools - World Composition - Sep 20, 2018This issue takes a few attempts to repro. Sometimes when saving the icons will remain normal, but other times a red X will be displayed instead. Opening up the Level that is displaying the X and re= ...
When a client sends an Unreliable RPC to the Server in same frame with a Reliable RPC, Unreliable RPCs are Reliable
UE - Networking - Sep 25, 2018When a client sends an Unreliable RPC to the Server in same frame with a Reliable RPC, Unreliable RPCs are Reliable. It implies extremely high lag on each lost RPC and all following ones. User lose ...
ScreenAlignedUVs Node with X 100% and Y 100% Breaks Infinite Hallway Effect of Portals
UE - Graphics Features - Nov 27, 2018A SceneCaptureComponent2D is able to correctly capture the infinite hallway effect for portals. The " X 100% Y 100%" of ScreenAlignedUVs node is necessary to create the material that produces the co ...
Mobile Depth of Field Focal Region is broken (not RDG)
UE - Platform - Mobile - May 8, 2020Result: notice that depth of field exhibits a rendering artifact (see attached screenshot). The PostProcessIntegrateDof pass is rendering to the wrong output dimensions, causing the artifact. This ...
Traces to Spawned Destructible Mesh Actors returning inconsistent results
UE - Simulation - Physics - Destruction - Jun 18, 2015When spawning an Actor containing a Destructible Mesh and immediately doing a sphere trace to that actor, upon repeated spawns you will get False results for some time then True results for a while ...
Importing FBX creates new materials when using the search materials import setting
UE - Editor - Content Pipeline - Import and Export - Nov 1, 2017There is an issue when importing FBX that creates new materials when using the search materials import setting. Instead of being able to use the material that is in the Base Material name, the textu ...
Shaders are compiled for Engine on first launch after fresh download
UE - Foundation - Build - Rocket (Installed Engine) - Dec 21, 2016Engine DDC doesn't appear to be included with fresh install of 4.15 Engine. Upon launching editor for first time, ShaderCompileWorker Process startup and user gets notification shaders are compili ...
[CrashReport] UE4Editor_Sequencer!FSequencerEdMode::CleanUpMeshTrails() [sequenceredmode.cpp:186]
UE - Anim - Sequencer - May 30, 2017This is a top crash occurring in the 4.16 release. Despite the callstack occurring in Sequencer, many users are experiencing this crash while working in UMG. User Descriptionsscaling track in widge ...
Crash when adding multiple collision types to a mesh
Tools - Jan 27, 2017Adding various collision types to a single mesh will cause it to hard crash the editor. No Crash Reporter window will open. Note that this happens with the user's mesh, but I was not able to repro ...
Quickly using alt-tab with a blueprint in a new window causes the event graph to capture input of the alt key
Tools - Nov 13, 2017Quickly using alt-tab with a blueprint in a new window causes the event graph to capture input of the alt key. This issue does not occur when the blueprint is a tab of the main UE4 editor window. Th ...