Unreal Engine Issues
Unreal Engine Issues
Game window renders transparent when launched with -game -log commands on Mac
UE - Platform - Apple - Oct 31, 2016This is only occurring on Mac and only in OSX 10.12. This is also a regression from 4.13 Right clicking in the dock, Show all windows, and selecting the game window does NOT fix the issue. Runnin ...
Crash when Toggling Landscape Mode with Hidden Sub-Level containing a Landscape
UE - LD & Modeling - Terrain - Landscape - Oct 28, 2016A crash occurs when you have a hidden Sub-level containing a landscape and you attempt to toggle the Landscape Mode after re-opening the project. The licensee has authored their own fix for this is ...
Source assumes that TG_PrePhysics is the first tick group
UE - Gameplay - Feb 16, 2016Licensee 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 ...
r.ScreenPercentage.Editor does not function
UE - Graphics Features - Jun 2, 2016Setting r.ScreenPercentage.Editor does not affect the upsampling/downsampling of the viewport in the editor. Regression: YES - the console command correctly adjusted the screen precentage in 4.11.2 ...
Offset Root Bone Node needs reconstruction from velocities
UE - Anim - Jul 16, 2025The 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 ...
Pawns using Floating Pawn Movement will teleport to the location specified in Move To Location
UE - AI - Jul 14, 2015Pawns 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 ...
Changing a Packaged Game from Fullscreen to Windowed at Runtime Causes Title Bar to Disappear
Tools - Jul 6, 2016When changing a packaged game from Fullscreen to Windowed mode at runtime, the window is placed in the top left corner of the monitor and the title bar disappears. Setting FullscreenMode=2 in the G ...
Ongoing D3D 'HUNG' crash - FD3D11Viewport::PresentChecked()
UE - Graphics Features - Jan 18, 2017This 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 ...
Debug symbols are required for the Shipping packaging configuration
Tools - Feb 11, 2016If the engine is installed without the Debug Symbols, packaging for Shipping will fail due to the missing files. While I believe this is expected for Development, it shouldn't occur with shipping. ...
FHLSLMaterialTranslator::GetMaterialEnvironment can crash or not load UMaterialParameterCollections
UE - Rendering Architecture - Materials - Apr 30, 2025In UE 5.5, the Editor may crash in FHLSLMaterialTranslator::GetMaterialEnvironment when loading materials with Material Parameter Collections, likely due to async loading. Calling ParameterCollectio ...