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 ...
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 ...
Color bubble has no effect in an Event Graph
UE - Gameplay - Blueprint - Feb 24, 2015If you add a comment to an Event graph Blueprint and change the comment color, the bubble should not change colors unless the Color Bubble detail is checked. I have included photos to better show ...
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 ...
Clicking the Closed Loop check box for a Blueprint SplineComponent crashes the Editor.
Tools - May 12, 2015Clicking the Closed Loop option in a new Spline Component results in the Editor crashing. This only occurs in 4.8 Preview 1 (so far). 4.7.6 and Main appear to be working correctly. ...
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 ...
Adding Multiple Scene Components to an Actor Causes Parenting Errors
UE - Gameplay - Components - Jan 5, 2016Attempting to add multiple instances of a Scene Component that was created in code and contains a component such as a Box Collider causes the Box Colliders of each Scene Component to be parented to ...
Niagara Sub UV Index ignored
UE - Niagara - May 16, 2019Using the Particles.SubImageIndex has no effect on what portions of the a UV are rendered in Niagara. Tested in 4.21.2 (CL - 4753647), 4.22.1 (CL - 6063286), 4.23 (CL - 6533064) ...