Unreal Engine Issues
Unreal Engine Issues
Cascade ParticleRelativeTime Outputs Constant 0 on Mobile
UE - Niagara - Aug 29, 2018Cascade ParticleRelativeTime outputs constant 0 on mobile. Found in 4.19 CL# 4033788, 4.20 CL# 4302132, 4.21 CL# 4321618 ...
Mesh merge instancing can swap material ID
Tools - Sep 21, 2018Can change type of event dispatcher in Blueprint
UE - Gameplay - Blueprint Editor - Oct 2, 2018It seems that with 4.20 users are able to change a dispatcher's type from Multicast Delegate to something else (float, int, etc.) Doing so will cause any node that references the dispatcher via call ...
Startup movies do not support 1080p video, and fails silently in the process
Tools - Oct 11, 20181080p videos do not play as startup movies, and there is no indication as why given by the editor. 1080p videos will work with media framework. There is no documentation either, so there is no indic ...
FMD5::Update can crash when used with packages larger than 2^31
UE - Foundation - Core - Cooker - Dec 21, 2018This bug was reported by Nurulize on UDN: UPackage::Save calls FMD5::Update at line 5918 The bug comes from the fact that Writer->TotalSize() is int64 vs the 2nd parameter of FMD5::Update which ...
Fatal error importing via Datasmith (memory allocation)
UE - Editor - Content Pipeline - Datasmith - Exporters - Jan 17, 2019Trying to import a large Revit asset using Datasmith causes the system to use all of it's memory. Certain systems may receive a memory allocation error in the process. ...
Unused Foliage Type Causing Unbuilt Lighting
UE - World Creation - Worldbuilding Tools - Foliage - Feb 1, 2019Foliage components will be unbuilt even after deleting all of the placed foliage in a level. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 4827620 ...
Datasmith & mikktspace tangent cause entities to glow with lightmaps
UE - Editor - Content Pipeline - Datasmith - Exporters - Feb 22, 2019The steps above are reduced to their simplest expression. I appears that several customers complained about lightmap baking resulting in glowing objects. This typically happens on interior door fr ...
Soft Object Pointers may not fire Rep Notifies
UE - Networking - May 3, 2019User reported that Soft Object Pointers may not fire RepNotifies properly. This is likely also the case with Weak Object Pointers (and other similar wrappers). The main problem is that these all ge ...
Particle Systems Feed Broken Values to Dynamic Parameters in Materials with Instanced Stereo Enabled
UE - Niagara - Jul 11, 2019Particle Systems Feed Boroken Values to Dynamic Parameters in Materials with Instanced Stereo Enabled Working as expected in 4.21 CL# 4753647 Found in 4.22 CL# 7053642, 4.23 Preview 1 CL# 7236301, ...