Unreal Engine Issues
Unreal Engine Issues
Blueprint with large amount of macros crashes on compile
UE - Gameplay - Blueprint Compiler - Jan 30, 2018Blueprint compile is crashing in a BP with a large number of macros ...
Projects cannot be built and opened in DebugGame from the commandline
UE - Foundation - Core - Oct 16, 2017Code projects in 4.18 cannot be opened in DebugGame from the commandline. REGRESSION: Yes. This worked successfully in 4.17.2. The attached log is from 4.19. The log for 4.18 was similar. ...
[CrashReport] UE4Editor_Engine!TArray<unsigned int,TAlignedHeapAllocator<0> >::BulkSerialize() [array.h:1173]
OLD - Anim - Mar 19, 2018Comments from users in crash group:I was loading my project which i have made a copy from previous version of the engine (4.18).4.19 preview crashed while opening my project on 90% ...
Can 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 ...
Water Body Custom generates Map Check Warnings
UE - Graphics Tools - Terrain - Water - Jun 26, 2025From licensee: Water Body Custom Actors generate this warning during Map Check: WaterBodyCustom_UAID_507C6F36B9215C5B02_1871778061 Static mesh actor has NULL StaticMesh property. To reproduce, si ...
Clicking the Yellow Reset to Defaults Button on an exposed Value for struct Arrays always defaults to '0'
UE - Gameplay - Blueprint - Jan 8, 2015When using the track builder plugin, the default settings for the track width starts at 1. However, when the yellow arrow is clicked to to restore the track back to default it sets it to zero instea ...
Web Browser: No Transparency in 3D Widget Component on Mobile
UE - Platform - Mobile - Jul 6, 2018Transparency is not being applied to web browser inside of 3d widget on android. Tested with Samsung Galaxy S5 4.19.2 CL 4033788 4.20p5 4173640 4.21 CL 4179794 ...
In UE 5.4, some config variables are not getting saved correctly, due to the new User/Editor rules.
UE - Simulation - Visual - Jul 24, 2024A lot of properties are not getting saved correctly to custom configuration files. This looks like that it can be cause by the FConfigContext::PerformLoad function. New conditionals have been added ...
Unable to connect to a pixel streaming server via a Web Browser widget on Android
PixelStreaming - Apr 3, 2019A user has reported that connecting to a Pixel Streaming server results in a failure if you are attempting to do so from a Web Browser widget on Android. When attempting to test this in Main, I was ...
LiDAR not importing colors correctly for .E57 Point Clouds
UE - Editor - Content Pipeline - Jan 6, 2023Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. LiDAR plugin is version .08 in UE5.0.3, and version 1.0 in UE5.1.0 ...