[CrashReport] Mac crash - FShaderCompilingManager::ProcessCompiledShaderMaps()

UE - Graphics Features - Nov 16, 2017

This is an infrequent Mac crash in the 4.18 release. The callstack is a match to [Link Removed] (loading Zen editor on Mac), but that was confirmed fixed for 4.18.0 while this continues for users. ...

[CrashReport] Linux crash - FMonitoredProcess::Launch()

UE - Platform - Linux - Sep 14, 2017

This is an infrequent Linux crash occurring in 4.17.1. Callstack from Log[2017.09.06-15.26.30:028][666]LogLinux: Error: appError called: Assertion failed: Assertion failed: [File:/home/***/.local/ ...

Shipping build crash when unplugging then replugging Oculus HMD

UE - Platform - XR - Nov 9, 2016

Game crashes in shipping build when un-pluging the Oculus HMD, then plugging it back in. Confirmed in 4.13.2 from the launcher, did not repro via same steps in 4.14 preview 3 ...

Using Blueprint Interface functions that take other Interfaces as parameters can cause the Editor to crash in PIE mode.

UE - Gameplay - Blueprint - Jan 20, 2015

If a Blueprint Interface function takes other Interfaces as parameters, and a circular dependency is present, the Editor will crash when the interface is called. CRASH REPORT: [Link Removed] CALLS ...

CRITICAL: Regression: CRASH: SHOOTERGAME: Client crashes when using ServerTravel command

UE - Networking - Sep 17, 2014

Update (5/4/15): New repro steps using Main (//depot/UE4/Promotable-CL-2535351): 1. Create a new Blueprint project 2. Create 3 new Levels: MainMenu, Lobby, and Level 3. Create 3 new GameModes: Main ...

Deadlock in UPhysicalAnimationComponent::UpdatePhysicsEngineImp

UE - Simulation - Physics - Sep 13, 2023

Deadlock in Chaos during PIE; the main thread is in USkeletalMeshComponent::HandleExistingParallelEvaluationTask waiting for a task to complete, and a worker thread is running that task and is in US ...

Anim Notify States are ended when CustomTimeDilation is set to zero

UE - Anim - Runtime - Oct 12, 2022

UDN link: https://udn.unrealengine.com/s/question/0D54z00008BEDfJCAX/set-actor-time-dilation-to-0-during-a-animation-notify-state-cancel-it?fromCase=1 Notify gathering functions (e.g. UAnimSequence ...

Changing the value of a parent class variable does not update after hot reload

UE - Gameplay - Blueprint - Mar 4, 2015

When the value of a variable defined in a parent class is changed inside of the child class, the value is not updated in a BP of the child after hot reloading. ...

Editor crash on loading a project after enabling the Tango plugin on Linux

UE - Platform - Linux - Aug 22, 2017

Enabling the Tango plugin on Linux causes the editor to crash on restart. Regression: No - Tango plugin not available in 4.16.3 (CL 3561208) ...

Crash when opening a data table that references itself in a data table row handle

UE - Editor - UI Systems - Localization - Jun 30, 2016

The Editor crashes when a data table references itself by using the data table row handle setting in a struct ...