Unreal Engine Issues
Unreal Engine Issues
Crash in GameplayTag Editor Widget when editing array of tags on a component
UE - Gameplay - May 17, 2022Editing an array of gameplay tags on a component belonging to an actor instance can lead to a crash. There are inconsistencies with how the Gameplay Tag Editor widget behaves:Array of gameplay tags ...
Crash: Changing Material Property Overrides of Material Instance
UE - Graphics Features - Dec 14, 2016When a material has a static bool parameter AND this is overridden in a material instance, Trying to change Blend Mode or Shading Model under the Material Property Overrides crashes the editor. Thi ...
Applying Reverb does not work in Audio Volume
UE - Audio - Oct 29, 2019In current and future versions of the engine, the reverb does not work as intended in the Audio Volume Tested in 4.22.3 (CL - 7043647), 4.23.1 (CL - 9631420), 4.24 (CL - 9846303), 4.25 (CL - 98464 ...
The Temporal console variable has the wrong value
UE - Graphics Features - Aug 20, 2019The r.SSR.Temporal console variable value is always set to its debugging value of 0 instead of being at its default of 1 Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 P6 (CL - 798402 ...
Custom Launcher Profile Drop Down Menus Don't Render Correctly When DPI Is Above 100%
UE - Editor - UI Systems - Slate - Jan 6, 2020Drop down menus in custom launcher profiles don't render correctly when the DPI is above 100%. This is happening to the very wide drop down menus. This isn't happening in 4.23 CL#9631420. Found in ...
Screen space reflection flickering
UE - Graphics Features - Nov 26, 2019Flickering is occuring when using a reflection material with screen space reflection enabled. Did not start occuring until 4.19 and beyond. Tested in: 4.23.1 CL#9631420, 4.24 P3 CL#10283392, 4 ...
Removing created event from level BP crashes editor if event is tied to object in level
UE - Gameplay - Blueprint - Feb 21, 2015UPDATE: 2/23/2015 Crash is limited to 4.6.1, does not occur in 4.7 Preview 8 or later builds (CL#2448202). ========================================================== Editor crashes if an event is ...
Collision Drawing in Cooked Builds (Development) doesn't Show Geometry for Nanite Meshes
UE - Graphics Features - Jun 2, 2025Context The showFlag.CollisionVisibility 1 cvar is a viewport visualization mode that highlights which Actors will block visibility. The showFlag.CollisionPawn 1 cvar is a Player Collision viewmode ...
TimeSynth when reactivated doesn't continue playback from where it was deactivated
UE - Audio - Dec 9, 2019This issue only occurs with -audiomixer passed into the Engine (4.23) and in 4.24/4.25 where it is enabled by default. The user tried deactivating and reactivating Time Synth component to pause it ...
Output Log In Engine and In Local Log File Are Inconsistent
UE - Foundation - Core - Feb 21, 2020The Log Timestamp doesn't display in local time when "Log Timestamp Mode" and "Display Timezone" are set to "Local Time". Found in 4.24.2 CL#11100242 Reproduced in 4.23.1 CL#9631420, 4.26 Main CL#1 ...