Unreal Engine Issues
Unreal Engine Issues
Lighting build fail due to failing to open channel for material data
UE - Graphics Features - Apr 21, 2017Licensee reports lighting build fails for their specific levels which were created in 4.14.1 then moved to 4.15.1. Workaround: Setting LogLightmassSolver verbose level to Warning can show "Warning ...
Widgets With Retainer Boxes Are Selected When Behind Widgets Without One
UE - Editor - UI Systems - Dec 24, 2019When a widget that has a retainer box is behind another widget that doesn't have one it will call it's onclick instead of the one in front of it in the UMG when clicked (see attached gif). This beh ...
Occlusion Culling incorrectly culling objects
UE - Graphics Features - Aug 26, 2020When playing in PIE/camera moving from left to right, pieces of the floor grid are culled out when they are not supposed to be. I was able to replicate this issue, however after I brought up the c ...
Crash when using +CVars=r.MobileContentScaleFactor=2
UE - Platform - Mobile - Jan 11, 2016Iphone 6 Plus crashes when using +CVars=r.MobileContentScaleFactor=2, but it will run if you use +CVars=r.MobileContentScaleFactor=1. The project linked is set up with +CVars=r.MobileContentScaleFac ...
Launching QAGame for HTML5 creates an 'uncaught exception: out of memory'.
UE - Platform - Mobile - Jan 18, 2017Launching onto HTML5 opens the browser to Uncaught Exception: out of Memory After running it on a 64-bit browser, the following is printed:uncaught exception: abort("Cannot enlarge memory arrays. E ...
The Gradient Paint Tool In Cloth Simulation Doesn't Work On Mac
UE - Simulation - Physics - Feb 28, 2020The Gradient Tool rotates the camera on Mac instead of painting the Gradient End Value. I wasn't able to test in Main on a Mac. There were no issues on Windows in 4.23.1, 4.24.3 and 4.26 Main. Foun ...
Major artifacting in FP Template with Skylight in ES31 Deferred
UE - Platform - Mobile - Sep 4, 2015When the First Person Template is deployed to a Nexus 9 using ES31, there is an extreme magenta color over the screen. Disabling post process reduces the bloom, but there is still major color artif ...
StopAtCurrentTime Node Sets Playback Position To 0.f In Level Sequence Actors
UE - Anim - Sequencer - Jan 20, 2020Level Sequence actors have their current playback time to 0.f when using the StopAtCurrentTimeNode. In MovieSceneSequencePlayer.cpp line 288 TimeToResetTo is set to 0.f. Attached is a 4.24 example ...
Child Animation Blueprints Do Not Get Recompiled Correctly
UE - Gameplay - Jan 7, 2020The child of an animation blueprint is not properly recompiled when the it's parent is compiled. Found in 4.24.1 CL#10757647 ...
Graphics failure when pasting code for a BP node into Color Picker Hex field
Tools - Sep 11, 2015Graphics failure when pasting code for a BP node into Color Picker Hex field Does not occur in 4.8.3 ...