Unreal Engine Issues

Opening widget blueprint causes editor to crash

Branch Build Label UE4-Main Promoted-CL- 2323471 DESCRIPTION: User crashes when opening a Widget blueprint.  Unable to reproduce internally. *EDIT* Repro provided by User ...

Editor crashes while sculpting landscape heavily covered in foliage

Sculpting a landscape densely covered in foliage crashes editor after freezing. Frequency: 2/2 crashreporter: N/A Additional CrashReporter - [Link Removed] ...

Adding Angular Impulse on Begin Play causes a Crash

Calling Add Angular Impulse on BeginPlay causes the editor to crash. Workaround: Adding a short (.01s) delay after BeginPlay prevents the crash. Regression: No, crash occurs in 4.11.2 as well. ...

Access Violation in delegatesignatureimpl.inl after HotReload

This is the third different callstack in an attempt to repro a HotReload crash I am experiencing. The other two are:[Link Removed]: Nullptr Ensure and crash after HotReloading[Link Removed]: Assert ...

Particle memory can be corrupted leading to a crash

TMap<Bool is disallowed despite bool having a hash

Reproduced 3/3 times. User is unable to create a new TMap with bool key through Blueprints (which is the expected result).  Issue is technically a Regression, as the ensure does not occur in //UE5/ ...

Blackboard interaction crashes engine

User Description: "I'm trying to implement AI and following zoombapup's Guard AI YT tutorials. Whatever I do within Blackboard crashes the engine. Yes even a single click on Self key. Here's the dum ...

Opening blueprint debugger crashes editor

The editor crashes upon attempting to open the blueprint debugger through the Window menu. Frequency: 2/2 Regression (Yes) issue (does not) occur in 4.11.2 ...

Assertion trying to open packaged project on Linux: Default__MaterialInterface was listed as a fixed load order but was already processed

This might be related to [Link Removed]. ...

Crash undoing in Montage editor with no montage sections

Crash occur in the animation montage editor when the user does an undo action with no montage sections. ...