Unreal Engine Issues

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

Dynamic Input and Function Scripts fail to compile by default

All Niagara Scripts are uncompiled by default. This has been logged ([Link Removed]). Compiling the script resolves the warning noted in 66593 for Module and Function Scripts. Dynamic Input Scripts, ...

Cascade Particles with Module Collision do not behave correctly (die) when colliding with plane in PIE

Cascade Particles with Module Collision do not behave correctly (die) when colliding with plane in map QA-Effects example 1.2. I've included a gif showing the issue [Link Removed]. The quality isn ...

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_Engine!FShaderCompileUtilities::DoReadTaskResults() [shadercompiler.cpp:663]

Top Crash in 4.18 release Users have provided no comments on the issue Source Context:// Read single jobs 651 { 652 int32 SingleJobHeader = -1; 653 OutputFile << Si ...

[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 ...

Windows registers touch events twice - Once as mouse click

When tapping on a button with a touch monitor, it is registered as two inputs. There was an issue on win7 where touch inputs were counted as touches and clicks. This seems to be the same issue on wi ...

[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 ...

[CrashReport] UE4Editor_Engine!CheckSingleJob() [shadercompiler.cpp:749]

This is a common and longstanding crash that has occurred since at least 4.14. Users have not provided any useful descriptions of their actions when the crash occurred. Source Context 740 ...

[CrashReport] UE4Editor_Slate!FSlateApplication::DrawWindowAndChildren() [slateapplication.cpp:1213]

This is a longstanding crash that has occurred since at least 4.13. User DescriptionsI cant package. Every time I try, I get a crash and an "Unknown Error"failed to switch between game modes and af ...