Unreal Engine Issues

Crash from 2D Ledge with Custom event

Crash from 2D Ledge with Custom event this occurs when the character overlaps with a material that is referenced via a custom event ...

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 ...

Sequencer Playlist - Triggering a playlist will crash every other editor on a Multi-user session

[Link Removed] ...

Editor Crashes When Trying to Render Canvas From Blueprint

This occurs in 4.19p but not in 4.18. Per User: As of current preview, there is no possibility to render in blueprint using canvas, (UCanvas::K2_DrawMaterialTriangle always ends up with assert in  ...

Crash when playing with Vulkan Mobile Preview

Occasionally getting a crash when playing with Vulkan Mobile Preview. Have not had it repro 100% of the time. ...