Unreal Engine Issues
Unreal Engine Issues
Using Show Mouse Cursor causes mouse to become detached from game window
UE - Editor - UI Systems - Slate - Aug 24, 2015Using the Show Mouse Cursor command (or BP node) will make the mouse appear in the game window however at that point the mouse does not interact with the game unless one of the mouse buttons is held ...
Unable to run UE4Editor using the -SM4 commandline argument
UE - Graphics Features - Nov 16, 2018Attempting to run the UE4 Editor using SM4 causes an error to popup stating that "A Feature Level 5 video card is required to run to Editor. AvailableFeatureLevel = SM4, ShaderPlatform = PCD3D_SM4" ...
Startup movies playing in windowed mode when game settings are set to fullscreen
Tools - Jan 22, 2015When launching a game that is set to play in fullscreen, the game does not enter fullscreen mode until after the intro movies play. This was also mentioned on UDN: https://udn.unrealengine.com/ques ...
Streaming of array textures with mips results in nearest mips being black
UE - Graphics Features - Jan 20, 2020The issue is discussed in this UDN:https://udn.unrealengine.com/questions/544210/crash-starting-up-in.html Key quote from UDN thread is:"Also, having made a texture array with 190 entries, it seems ...
Crash when using Landscape when building lighting with commandlet
UE - Graphics Features - Jun 6, 2016When using the new Rebuild Lighting commandlet will cause a crash with any level that builds when it has a landscape in the scene. https://github.com/EpicGames/UnrealEngine/commit/f89256dd0efb7d0b ...
Cannot dynamically change when pressed sound for buttons in UMG
UE - Editor - UI Systems - Jul 17, 2015Cannot change the when pressed sound for the style of a button in umg via the set style node. Reopened after the report from: https://udn.unrealengine.com/questions/273621/setting-widgetstyle-for- ...
Scale does not return to 1 after teleporting in the VR editor
UE - Editor - Workflow Systems - Apr 21, 2017The scale for the VR editor does not return to 1:1 after teleporting as stated in the documentation. The scale remains the same after teleportation. Docs link: https://docs.unrealengine.com/latest ...
Potential bug in ComponentEncroachesBlockingGeometry_WithAdjustment in multi-overlap case
UE - Gameplay - Dec 10, 2015https://udn.unrealengine.com/questions/270574/jeff-farris-hack-for-physx-mtd.html Instead of the return false in the hack section, it should probably do something like if (current overlap is the b ...
Issues with PrepareMapChange/CommitMapChange and Level Collections
UE - Networking - Jan 12, 2017Per https://udn.unrealengine.com/questions/329206/crashes-when-streaming-levels-in-414.html LevelCollections has introduced some issues with using Prepare/CommitMapChange. CL# 3255445 has addressed ...
Editor crash when using PCG self pruning and complex collision
UE - World Creation - Procedural Tools - PCG Workflow - May 14, 2025While testing out pruning points based on collision, it was observed by the licensee that using complex collision seems to crash the editor. The editor crashes with the following error: ``` Asserti ...