Source assumes that TG_PrePhysics is the first tick group

UE - Gameplay - Feb 16, 2016

Licensee has reported an issue with the source code and proposed a fix. The issue is that the source is assuming that TG_PrePhysics is the first tick group in all cases. Information can be found abo ...

Misspelling in Editor Preferences: Experimental

Tools - Sep 16, 2015

UE4.9.1 under Editor Preference3s ->Experimental -> Cooking it says "Iterative cooking for builds launched [form] the editor." Correction: [from] ...

Offset Root Bone Node needs reconstruction from velocities

UE - Anim - Jul 16, 2025

The experimental Offset Root Bone node does not respect velocities, meaning that it does not work when a character is based on a moving platform. The capsule will rotate with the platform, but the r ...

It is possible to get large Aspect Ratio values when using an Ultra-wide monitor on Linux

UE - Platform - Linux - Jul 22, 2019

Attempting to use the Editor with a 32:9 Ultrawide monitor (5120x1440) causes the ratio sizes to be multiplied by 868.000000. ...

Automatic Animation Compression Results in Crash

OLD - Anim - Dec 1, 2015

Using the "Automatic" option to compress animation results in crash 100% in UE4.10 but does not occur in UE4.9.2. *Regression ...

Pawns using Floating Pawn Movement will teleport to the location specified in Move To Location

UE - AI - Jul 14, 2015

Pawns using Floating Pawn Movement will teleport to the location specified in Move To Location. From fix CL 2619989: "Fixed FloatingPawnMovement component's issue when controlling AI pawn. Basicall ...

Ongoing D3D 'HUNG' crash - FD3D11Viewport::PresentChecked()

UE - Graphics Features - Jan 18, 2017

This is a new ticket for the D3D 'HUNG' crash originally reported in [Link Removed]. Some fixes were introduced in 4.14.2 that decreased the occurrences of this crash, but other cases are still ongo ...

Reimport factory not being called for import enabled by plugin

UE - Editor - Content Pipeline - Import and Export - Apr 25, 2016

A user reported a problem that started occurring with 4.10 and didn't occur in 4.9.2 (Was unable to get a project in 4.9.2 and thus unable to confirm his claims, therefore I'm not marking this as a ...

FHLSLMaterialTranslator::GetMaterialEnvironment can crash or not load UMaterialParameterCollections

UE - Rendering Architecture - Materials - Apr 30, 2025

In UE 5.5, the Editor may crash in FHLSLMaterialTranslator::GetMaterialEnvironment when loading materials with Material Parameter Collections, likely due to async loading. Calling ParameterCollectio ...

Lyra 5.5 - LAS_ShooterGame_SharedInput has got a missing reference on InputMapping #1

UE - Gameplay - Input - Jan 27, 2025

The templated Lyra project for 5.5 is missing a reference to IMC_Default_KBM on /ShooterCore/Experiences/LAS_ShooterGame_SharedInput because it looks like IMC_Default_KBM was renamed to IMC_Default. ...