Unreal Engine Issues
Unreal Engine Issues
Android mic stops capturing audio after 2nd load of app
UE - Audio - Aug 1, 2018The Android app stops capturing audio on the second loading. Tested in 4.19.2 (CL - 4033788), 4.20.1 (CL - 4239966), 4.21 (CL - 4243265) ...
Default Values missing from Local Variables in Blueprint Actor Construction Script
UE - Gameplay - Sep 19, 2019Specific to the Blueprint Construction Script, Local Variables cannot have their value set in the Editor, because the "Default Value" section of the Details tab will never appear. This only affects ...
Atan2() missing from Math Expression node
UE - Gameplay - Blueprint - Feb 11, 2020Using the math expression Atan2(y,x) inside of a math expression node results in an error. Tested in: 4.23.1 CL#9631420 , 4.25 CL#11341939 ...
Nodes of inherited function don't refresh automatically in the opened BP editor if implemented interface is altered
UE - Gameplay - Blueprint Editor - Jul 14, 2020Nodes of inherited function don't refresh automatically in the opened BP editor if implemented interface is changed.Workaround: refresh nodes manually Regression: NO Can be reproduced on the 4.25.1 ...
Crash when locate_bound_objects is called
UE - Anim - Sequencer - May 14, 2024This has been tested internally using an editor utility widget yielding the same results. That small project is attached. BoundingObjectTest. 1) Open the project 2) Run the Editor Utility Widget ...
Foot Placement Node does not account for Mesh and Actor Scale
UE - Anim - Runtime - Anim Blueprints - Jun 17, 2025When scaling down the character in the Game Animation Sample to 0.1 (Actor Scale or Mesh Scale), the lower body becomes crouches, not taking into account the difference in pelvis and foot difference ...
Missing materials on the rear lights of library vehicles
TM - Content - Oct 24, 2025Reported in SF [Link Removed] The rear light material on Twinmotion library vehicles is not present on many vehicles in TM 2025.2. Confirmed affected vehicles are in the following categoriesCarsTw ...
Landscape Grass Type will not build with static lighting leaving 'Lighting needs to be rebuilt warning.'
UE - World Creation - Worldbuilding Tools - Foliage - Sep 3, 2015When using the Landscape Grass Type and using a Static or Stationary light will throw the 'Lighting needs to be rebuilt' warning. ...
Crash from generated Merged Actor with no created lightmap UV
UE - Gameplay - Nov 11, 2016If you import a static mesh with no setup lightmap and uncheck the option for Generate lightmap UV so that only the UV Channel 0 is present. When you use the Merge Actor tool with a single one of th ...
Enhanced input user settings file on consoles may behave unexpectedly after login change
UE - Gameplay - Input - Feb 27, 2025The user settings seem to be initialized incorrectly. I think that this might be because, technically, when you log out and sign back in we might use the same ULocalPlayer in some cases on the conso ...