Unreal Engine Issues
Unreal Engine Issues
Regression: Several project settings, especially from built-in Plugins, are being silently erased when previously they were not, which is perceived as a bug
UE - Foundation - Feb 28, 2025In UE's Project Settings, some pages are saved automatically to the project's "Config/Default<CATEGORY>.ini" file (meant to be version-controlled) on every change. Other pages have buttons "Set as D ...
Editor Crashes when placing a widget blueprint from one widget blueprint into another via the user created section
UE - Editor - UI Systems - Oct 8, 2014CHANGELIST: 4.5.0-2316912 CRASHREPORT: Did not produce an error report CALLSTACK: Did not produce an error report DESCRIPTION: Editor Crashes when placing a widget blueprint from one widget b ...
Modulated shadows do not render in the correct area on older devices / versions of Android OS
UE - Platform - Mobile - Apr 5, 2016This issue was reported by a user who was having issues with their modulated shadows showing up in random spots on their mobile devices. Their devices were a Samsung Galaxy Note 2 and a ASUS Zenfon ...
LIVE: EDITOR: SPEEDTREE: CRASH: When using SpeedTree with Fracture Tool editor crashes
UE - Graphics Features - Aug 11, 2014Crash Reporter information added for 4.7.2 - 4.7.6 Also Reproduced in Main Promotable-CL-2527312 Crashes from current engine seem to be predominately from Open World Content Assets. including Rep ...
Float values are changed slightly in blueprints
UE - Editor - UI Systems - Slate - May 23, 2019Some float values appear to be slightly altered when they are input into a float field in blueprints. For example 2.6 will be changed to 2.599999. Regression: This did not appear to occur in the 4 ...
Blueprint Launches onto tvOS fail during runstep: Error_DeviceOSNewerThanSDK
UE - Platform - Mobile - Apr 19, 2019When a user launches blueprint project to a tvOS device they will fail to run the project during the run step and if they manually try to launch the app from the dashboard. This issue does not repr ...
Crash when launching 4.14.2 in cmd window with -dx12 argument
UE - Graphics Features - Jan 3, 2017Launching the editor with DX12 from a command window is crashing the engine. Note Crash occurs on Nvidia version 376.19 and does not occur on 376.33 This is a Regression ...
Destructible mesh loses collision and physics after packaging in 4.18.2
UE - Simulation - Physics - Destruction - Jan 17, 2018Destructible Meshes are losing collision and physics after a project has been packaged. They will work normally when running PIE. ...
InstancedStaticMeshes disappear in Shipping builds on mobile when affected by dynamic point lights
UE - Platform - Mobile - Aug 22, 2019This ticket is to add the safe workaround for 4.23.1, with a more optimal fix coming in 4.24. ...
Content Browser does not sort names using numbers properly when going over 9
Tools - Dec 19, 2019This can happen when creating any content or duplicating them. I was also able to reproduce this issue in the Levels window when creating new levels. ...