Unreal Engine Issues
Unreal Engine Issues
Add Substrate Material Support to Lumen Performance Overview
UE - Graphics Features - Substrate - Feb 10, 2025There is a discrepancy when inspecting Substrate materials in the Lumen Performance Overview. Compared to viewing non-Substrate materials the overview show all surfaces in red indicating that Lumen ...
UnrealVS Windows 10 support - fix .NET version in manifest
Tools - Aug 4, 2015Seems like we should be specifying the .NET version like this guy's fix. ...
Crash when changing the number of instances in a grouped sprite component at runtime
UE - Gameplay - Paper2D - Aug 4, 2016A crash occurs when you remove a Sprite Instance within a Paper Grouped Sprite component of an Actor BP on Event Begin Play. I was able to reproduce this crash in the binary releases of 4.11.2 and ...
Lighting Scenarios Map Check warning about multiple skylights not supported
UE - Graphics Features - Dec 5, 2016When using Lighting Scenarios and placing a skylight in the lighting scenario levels when you build lighting there will be a map check warning that "Multiple sky lights are active, only one can be e ...
Data Table export/import doesn't support map/set properties
Tools - Feb 27, 2017DataTableUtils::IsSupportedTableProperty needs updating to include those types, and we should probably also make sure they export in a nice way in the JSON exporter/importer (the CSV one can just us ...
References stored in deleted UProperties stick around in a Blueprint Class
UE - Gameplay - Blueprint - Apr 25, 2017If a UProperty that stores a reference to an asset is deleted, the reference to that asset lingers in any Blueprints that had a reference stored in that UProperty. This can lead to issues when the r ...
Animation sequence's ParticleNotify doesn't fire while playing it back in Sequencer editor
UE - Anim - Sequencer - Mar 21, 2018The ParticleNotify should always be triggered while playing in sequencer editor regardless whether the spawned particle is attached or not to it's bone/sockets This stopped working since 4.15 versi ...
[Feature Request] Scaling Curves ( Weighted Tangents ) Support for Sequencer
UE - Anim - Sequencer - Apr 3, 2018Some licensees requested the feature. ...
Delay nodes occasionally don't fire the "Completed" output in a nativized build.
UE - Gameplay - Blueprint - Jun 13, 2018This happens when the 32-bit LatentUUID signed integer that we generate for the delay node starts with "-1" when converted to an FString (e.g. "-1824950080"). During compilation, we pack latent fun ...
Net Multicast RPC functions do not fire other session members properly
UE - Networking - Sep 5, 2018Using a multicast function does not call the function on both client and server. The functionality in this reproduction project can be found in the BP_MyPC blueprint. Regression?: No This occurs in ...