[AI] Crash in UGameplayDebuggerLocalController::OnDebugDraw

UE - AI - Debugging - Apr 27, 2024

UGameplayDebuggerLocalController::OnDebugDraw crashed with a dereferenced nullptr for CachedReplicator. ...

EQS Overlap test no longer recognizes custom Collision Object Channel

UE - AI - Nov 12, 2019

Environment Queries Ignore tests for Custom Collision Object Overlaps. Note: The expected behavior seems to have worked in 4.21, After following the steps to reproduce, I can verify a successful de ...

Editor crash when drag and drop the Image widget in a NamedSlot on the designer

UE - Editor - UI Systems - Apr 20, 2020

When first added as a child widget in NamedSlot, the child widget can be dragged and dropped onto the parent widget's designer. The following assert causes a crash. Assertion failed: ParentWidget ! ...

Crash: Opening Project Browser from Launcher with VR Mode auto-entry enabled with HMD active (worn)

UE - Editor - Workflow Systems - Apr 24, 2017

If you enable VR Mode auto entry, close the project, and then attempt to launch the engine again from the Binary launcher while the HMD is active (being Worn), the Project Browser will crash ...

[CrashReport] UE4Editor-Engine!FDDSLoadHelper::IsValidCubemapTexture() [DDSLoader.cpp:158]

UE - Graphics Features - Dec 2, 2019

Generated from CrashReporter ...

Attempting to set skeletal mesh on vehicle blueprint during PIE crashes editor

UE - Simulation - Physics - Feb 8, 2016

Switching the skeletal mesh of an actor during PIE crashes the editor. Frequency: 5/5 Crashreporter: N/A ...

Assert when adding geometry cache asset as a component to a blueprint actor

UE - Editor - Content Pipeline - Import and Export - Mar 24, 2021

When adding an asset directly to a blueprint, it is not in the streaming components, so the assertion fails when setting the geometry cache. ...

Animation System relies on FindFunctionByName which is not thread safe.

OLD - Anim - Mar 29, 2017

Currently, there are several places in FAnimInstanceProxy and FAnimNode_Base (and derived classes) that rely on FindFunctionByName in order to resolve transitions, evaluate pins, etc. This can happ ...

Editor Crashes When Using Set Replicates in the Construction Script

UE - Networking - Mar 1, 2016

When spawning an actor using the Spawn Actor From Class node that has a Set Replicates node in the construction script, the editor crashes upon attempting to run a dedicated server with 2 players. ...