Unreal Engine Issues

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] ...

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. ...

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. ...

Crash when launching a packaged project where a code class gets a reference to a Blueprint widget that contains an instance of a Blueprint struct

A packaged project will crash on launch if a code class uses ConstructorHelpers::FClassFinder to get a reference to a Blueprint Widget that contains a Blueprint struct variable. Disabling EDL in the ...

Crash retargeting an animation blueprint with a RigidBody node

Crash occurs when the user attempts to retarget an animation blueprint that is using a RigidBody node. ...