Unreal Engine Issues
Unreal Engine Issues
Crash Occurs when using the FreezeRendering Console Command in a Packaged Win64 Project
UE - Graphics Features - Jun 15, 2017A crash occurs when entering the console command, 'Freezerendering' in a packaged Windows 64 bit project. The freezerendering command is used for debugging and performance purposes. An interesting ...
Case Child Actor Component validation error when set as editor-only
UE - Framework - Components - Jun 4, 2024When a blueprint actor with a child actor component is placed in a level, and the child actor component is set as editor-only, the output log will show a validation error when the actor is moved and ...
Docking tabs to the main viewport will hide other viewports that are not docked
UE - Editor - UI Systems - Slate - Mar 3, 2015If any tabs are undocked from the main viewport and another tab is then docked to the main viewport it will hide any undocked tabs. This only appears to affect tabs that in the Menu > Window with ex ...
Packaged Paper2D game using Flipbooks crashes when opening Level
UE - Gameplay - Components - Sep 11, 2020Paper2D game using Blueprint Actor with Box Collision and Flipbook Component crashes frequently when loading levels in packaged Development Build. Reported and tested in versions 4.25.3(CL 139427 ...
Crash when applying a LandscapeVisibilityMask material to a Landscape's material slot
UE - LD & Modeling - Terrain - Landscape - Apr 28, 2017Crash that occurs when applying a masked material (with LandscapeLayerBlend and LandscapeVisibilityMask) to a Landscape's material slot. This is a regression: broken in 4.16.0 CL 3405315 worked in ...
Point light leaking throught thin geometry
UE - Graphics Features - Oct 29, 2024In 4.27, ray traced point lights can leak through thin meshes. This bug does not exist in Unreal Engine 5, due to many of the potential rendering areas being fundamentally changed. ...
Execute Console Command r.SetRes Fullscreen breaks Dynamic Skylights when tied to Event BeginPlay
UE - Graphics Features - Apr 6, 2017Using the Execute Console Command 'r.SetRes 1920x1080f' directly with an Event BeginPlay node within blueprints, any Stationary/Movable Skylighting information is no longer visible. A simple workar ...
PIE after the Game Instance's parent has a wire disconnected, compiled, then reconnected crashes this project
UE - Gameplay - Blueprint - Sep 18, 2015This user's project crashes on PIE after the Game Instance's parent has a wire disconnected, compiled, then reconnected. Possibly related to [Link Removed], but the call stack is slightly different. ...
Incorrect specs in experimental mobile PIE json profiles
UE - Platform - Mobile - Jul 7, 2017I noticed three issues with the mobile PIE device preview json profiles:The Nexus5.json is a copy-paste of the GalaxyS3.jsonThe iPhone7.json DeviceModel is set to "IPhone7Plus"iPhone 5 is present in ...
Movable point light disappeared by MinScreenRadiusForLights and appeared back looks deemed.
UE - Platform - Mobile - Jun 25, 2021The movable point light is abnormally lit when it disappeared by the setting of r.MinScreenRadiusForLights rather than "Max draw distance" and appears back. After you disable and enable the "Affect ...