Unreal Engine Issues
Unreal Engine Issues
-binnedmalloc is broken on Linux
UE - Platform - Linux - Oct 31, 2016In 4.13 launching a linux game with -binnedmalloc will use the binned allocator. In 4.14 the command line was accidentally changed to -binnedmalloc1 while making other changes. It is still -binnedm ...
CRASH: Editor Crashes When Minimum Value of X Axis Range in 1D Blendspace is not set to Zero
OLD - Anim - Nov 17, 2014Crash Reporter: [Link Removed] In a Blend Space 1D, setting the minimum value to any variable other than zero then applying and saving results in the editor crashing. Since being labeled "fixed," ...
Content Examples: Blueprints_Overview Stand 1.7 Spark particle system does not fire from coin
Docs - Samples - Jan 19, 2017During runtime, the red coin in Stand 1.7 on the Blueprints_Overview map of Content Examples should emit a large spark particle system 5 times. While investigating, I tried disabling "Use Fixed Rel ...
Map load stalls in texture streaming code
UE - Graphics Features - Jun 13, 2017A change was made to AActor.GetComponents which appends the results instead of resetting the output array. This seems to only impact 2 places in the code, and has a big side effect in the texture st ...
Unimplemented Simplygon function causes empty mesh LODs and crashes
Tools - Aug 31, 2018When we do the refactor for MeshDescription we miss the staticmesh reduction project settings option and change only the quadric reduction. There are two possible fixes for this issue: 1. Implemen ...
Mobile VR - Render Targets not working with Mobile Multi-View
UE - Platform - XR - Jun 6, 2019Render target materials display as black on mobile VR when Mobile Multi-View is enabled. Also confirmed with LDR capture source. User also reports issues with scene depth (potentially fixed with [ ...
Using OnlineSubsystemGoogle cause ITMS-90809 warning when uploading iOS build to AppStoreConnect
UE - Online - Jan 16, 2020Because the OnlineSubsystemGoogle for iOS use old GoogleSigninSDK(Ver4.x), when uploading the iOS build to AppStoreConnect, ITMS-90809 (using a deprecated UIWebView) will be issued. To fix this, we ...
UMG Animations Scale Retainer Boxes When Only Translating them
UE - Editor - UI Systems - Feb 28, 2020When translating a retainer box in an UMG animation the scale of the retainer box is also affected. Attached is a 4.23 example project. Found in 4.24.3 CL#11590370 Reproduced in 4.23.1 CL#9631420, ...
Large Landscapes using World Composition have weird LODs when streamed out and back in
UE - World Creation - Worldbuilding Tools - World Composition - Mar 13, 2020When World Composition Sublevels are streamed out and back in the LODs appear distorted. This reported and tested in 4.24.3 (CL-11590370). This was reproduced in 4.23.1 (CL-9631420), 4.25 Preview ...
When changing the size of detail panel for animation state in Animation Blueprint diff tool, GetSelectedProfileName will occur crash
OLD - Anim - Jun 24, 2020When trying to display BlendProfile property in Animation Blueprint diff tool, it will occur crash, because EditableSkeleton is null in SBlendProfilePicker::GetSelectedProfileName(). So, a followin ...