Unreal Engine Issues

If pasting a section causes an overlap, don't allow it if the track doesn't allow overlapping sections

Binding lifetime sections aren't meant to overlap, but duplicating one, or pasting one can cause them to overlap, triggering an ensure. Duplication and copying and pasting are typical actions, so th ...

[CrashReport]UnrealEditor-Chaos!Chaos::FPhysicsSolverBase::GetExternalDataLock_External() [PhysicsSolverBase.h:677]

Generated from CrashReporter ...

Editor crash when calling SGridPanel::SetRowFill

Calling SGridPanel::SetRowFill on an actor's BeginPlay causes the editor to crash with the callstack provided The reporter mentioned SetRowFill uses if() statement where SetColumnFill uses while() ...

Importing Camera FBX into a sequence can crash with a headless editor

In a headless editor instance we will not be able to send toasts to the user, and we should not notify slate. The Sequencer Tools function library calls MovieSceneToolHelpers::ImportFBXCameraToExist ...

Network profiler crash

Running with the -networkprofiler command line argument can crash the server on the first engine tick in FNetworkProfiler::TrackFrameBegin because the file writer archive hasn't been created yet. ...

Unloading a spawned Detour AI Controller using Level Streaming causes a crash

In a Level Streaming setup, unloading a level that has spawned an AI Character with a Detour AI Controller causes a crash. This was reported and tested in 4.23 (CL-8386587). This was reproduced in ...

Crash enabling Async Scene and opening level in editor

This is a regression from 4.14.3 at CL 3251583 ...

Crash - console command stat none

Engine Crash when Running a Screenshot Functional Test

Running a Screenshot Functional test, is causing an engine crash. By attaching a debugger to it, AScreenshotFunctionalTestBase::PrepareForScreenshot() is reached and GEngine->GameViewport is null, ...

Sequencer's View Options>Expand/Collapse Nodes and Descendants (Shift+V) does not Collapse after being Expanded (UE5.6)

Sequencer's View Options>Expand/Collapse Nodes and Descendants (Shift+V) does not Collapse after being Expanded (UE5.6). As described in the Steps to Reproduce section, the command expands the prope ...