Unreal Engine Issues

Ensure when pasting copied nodes into an Object

When copy and pasting nodes from an Actor Blueprint to an Object Blueprint the Editor stalls for a bit and an ensure occurs. This issue was reported and tested in 4.19.2 (CL-4033788). This issue ...

[CrashReport] UE4Editor_SteamVR!FSteamSplashTicker::Tick() [steamvrsplash.cpp:52]

No user comments on crash group ...

Niagara Particles don't work with Instanced Stereo Rendering enabled

With Instanced Stereo enabled, CPU Niagara particles are not visible, GPU Niagara particles render in left eye only. ...

Creating loaded world with LoadLevelInstance fails when PIE is executed.

Loaded level defined in TSoftObjectPtr <World> fails to load with LoadLevelInstance. This is due to "UEPID" prefix. Because it is rewritten by FSoftObjectPath :: FixupForPIE (), retrieval of Object ...

Error during packaging if nativizing a blueprint that contains a TMap with TSubclassOf as a key

Packaging with with a nativized blueprint that contains a TMap with a TSubclassOf pointer as a Key causes errors, causing the packaging attempt to fail. Regression?: No Compiling the code for the T ...

Fog Does Not Behave As Expected in Splitscreen

This bug seems to repro very inconsistently for me, but I've seen it affect Atmospheric Fog and Exponential Height Fog, and reproduced in 4.18.3, 4.19.2, and Main CL 4093338. I've attached Config fi ...

Adding a section with mesh editor mode lead to a staticmesh editor crash

Tessellation not working properly on Vulkan

When a user launches content examples with -vulkan tessellation will not be working. Everything tessellated will appear as if it has no tessellation. This issue is also occurring in 4.18 ...

[CrashReport] UE4Editor-Slate.dylib!FMenuStack::PostPush(TSharedPtr<IMenu, (ESPMode)0>, TSharedRef<FMenuBase,()

This is a longstanding but infrequent Mac crash that has occurred since at least 4.15. Users have not provided any descriptions. Callstack from Log[2017.11.19-04.18.41:283][ 0]LogSlate: Took 0.000 ...

[CrashReport] UE4Editor-CoreUObject.dylib!UPackage::Save() during COTF

This is a common Mac crash that has occurred since at least 4.17.1 User DescriptionsJust trying to launch my project on any output I can. No luck.launching AR project on IOS device. Ugg. Last adjus ...