Unreal Engine Issues

[CrashReport] UE4Editor_Core!FWindowsWindow::Initialize() [windowswindow.cpp:199]

Error message: Assertion failed: 0 [Link Removed] [Line: 199] Window Creation Failed (1158) Source Context: 184 VirtualHeight = ClientHeight; 185 186 // We call reshape w ...

Exporting a spawnable through Python doesn't work

Mac Modern xcode framework link issue

Our client is attempting to use an external framework as a third party within Unreal Engine, and they are encountering issues despite following the standard guidelines for adding the framework. T ...

Inconsistent parameter handling for pak/iostore block size / patch padding

Users have trouble overriding the blocksize/patchpaddingalign parameters for UnrealPak from UAT commandlines.There is no easy way to specify these parameters through a buildcookrun, instead they n ...

[CrashReport] UE4Editor_Core!FTaskGraphImplementation::WaitUntilTasksComplete() [taskgraph.cpp:1121]

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: CurrentThreadIfK ...

Toggling SetSimulatePhysics state on a Primitive component with a child PrimitiveComponent leaks PxShapes

FBodyInstance::Weld did not check to see whether or not child components were already welded to a parent. This meant that whenever Weld was called, ShapeToBodiesMap would continue to grow in size, e ...

[CrashReport] Crash on Linux - llvm::MachineFunctionPass::runOnFunction()

This is a top community crash occurring on Linux. A log file is attached. Additional information is currently unavailable. ...

Alpha channel is not working on drag and drop function

When using the drag and drop function in UMG on an image with an alpha map the background will show up as black instead of translucent. ...

Crash When Attempting to Add Existing Streaming Levels Already Present in the Levels Window

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...

Save process fails for BuiltData.uassets when trying to PIE - Standalone Game

The following can be observed in the output log for the various BuiltData.uassets:Cmd: OBJ SAVEPACKAGE PACKAGE="/Game/Maps/Highrise_Audio_BuiltData" FILE="../../../../../Builds/Release-4.17/Samples/ ...