Unreal Engine Issues
Unreal Engine Issues
Major performance hit upgrading to 4.18 (game tick time - collision sweeps)
OLD - Anim - Jan 16, 2018As of 4.18 and onward, collision sweeps related to Character Movement seem to be causing higher tick times than usual. Example project: [Link Removed] Regression?: Yes This did not occur in 4.17 ...
Freeze occurs after some time when tick group is set to TG_PostUpdateWork on a class
UE - Gameplay - Nov 21, 2017Multiple users have reported an issue where their packaged games are freezing after an indeterminate period of time. The reproduction steps and logs of each user are different but the reproduction s ...
Instance Static Mesh element not rendered if array element is removed and another is added
UE - Gameplay - Dec 5, 2017Instance Static Mesh element is not rendered if array element is removed and another is added. The collision is still present and the instance count will still register as if the non-rendered elemen ...
Web Browser on a Widget Component appears to be 2D when launching on to Android
UE - Platform - Mobile - Jul 1, 2016Widget Component Web browser appears to be 2D when launching on to Android ...
Lighting data wiped if sub level is hidden while rebuilding lighting for visible levels
UE - Graphics Features - Jan 11, 2017When building lighting now you can no longer have a hidden sub level and have it retain it's built light if it was previously built. For instance, if you have a persistent level and hide the sub-lev ...
Assertion in a packaged build when Light propagation volume is set to 1
UE - Graphics Features - Sep 1, 2017Assertion in a packaged build when Light propagation volume is set to 1 ...
[CrashReport] UE4Editor_CoreUObject!UObjectBase::IsValidLowLevelFast() [uobjectbase.cpp:294]
UE - Gameplay - Blueprint - Aug 15, 2017This is a trending crash coming out of the 4.17 release. Users have not provided useful descriptions of their actions when the crash occurred. User Descriptionschecking stuff on internet. what does ...
External textures only work in pixel shaders
UE - Platform - Mobile - Nov 21, 2017External textures currently only support pixel shaders, presumably because some platforms, such as Android only have pixel shader support. On other platforms this causes a regression though: For exa ...
Editor crashes when assigning Landscape layer info while Forward Shading is enabled
UE - LD & Modeling - Terrain - Landscape - Nov 7, 2017Crash occurs when Forward Shading is enabled in Forward Rendering Options User noted that if "Support Stationary Skylight" in Project Settings > Rendering > Shader Permutation Reduction is disabled ...
Changing Child Actor Class does not update Child Actor Template
UE - Gameplay - Blueprint Editor - Sep 28, 2017WHen the Child Actor Class value is changed in a blueprint, the Template name is not updated. Note: The Settings uner the Child Actor Template dropdown DO update when the class is changed. Workaro ...