Unreal Engine Issues
Unreal Engine Issues
Using variations on the 'shot' console command closes iOS project on device
UE - Platform - Mobile - Jul 6, 2015Using the console commands 'shot', 'highresshot 1' and 'highresshot 2' will crash to the 'recent apps' menu an ipa with Metal enabled. I tried this with 'Forward Rendering with Metal' disabled and u ...
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 ...
Sequencer - if you set the Take Separator to - rather than _ the New Take naming will mess up
UE - Anim - Sequencer - Jun 9, 2026When using a non-default take separator (eg "-") the "New Take" option produces a malformed proposed name for the take. ...
Replicated variables defined in Actor Component blueprints do not actually replicate
UE - Networking - May 1, 2015Replicated properties defined in an actor component blueprint are not being replicated because UActorComponent::GetLifetimeReplicatedProps isn't adding the blueprint properties to the OutLifetimePro ...
MaterialExpressionSubtract doesn't compile in plugins
UE - Graphics Features - Mar 23, 2016Adding the following code to a plugin source file prevents the associated project from compiling in visual studio whereas this code will compile successfully inside of a class added directly to the ...
HTML5 project does not load using itch.io
UE - Platform - Mobile - Apr 25, 2016HTML5 projects are not loading properly on itch.io, this may be occurring on other HTML5 upload websites. Adding https into the myproject.html does not seem to make a difference, as Kafu has recomme ...
Landscapes do not Render when used with Lighting Scenarios on Mobile
UE - Platform - Mobile - May 15, 2017Landscapes disappear using Lighting Scenarios when deployed to a mobile device. When playing in the editor using the mobile previewer, everything looks as expected. It only occurs when deployed to ...
ParticleCutout don't work when AlphaThreshold is 0
UE - Graphics Features - Dec 16, 2016UParticleModuleRequired::PostEditChangeProperty use "AlphaThreshold > 0". So, if AlphaThreshold = 0, particlecutout don't work. ...
IPhonePackger re-signs app with old signature format that makes users get the warning popup on iOS
UE - Platform - Mobile - Jan 27, 2021Apple forces developers to code sign an app using the latest code signature format and IPP needs to support it. a related link: [Link Removed] ...
NavMesh generation should not care for Actors that are hidden in the Editor.
UE - AI - Navigation - Aug 5, 2025The problem is that the Cube is still loaded but "HiddenEd". It's AActor::bHiddenEdLayer property is set to true by the WorldPartition System. The Actor is dirty which makes the WP system pin it (wo ...