Unreal Engine Issues
Unreal Engine Issues
Massive FPS drops in editor when moving mouse over menu items on Linux
UE - Platform - Linux - Apr 22, 2019Navigating various dropdown menus in the Editor causes the FPS to drop down to around 25 or 10 in the Viewport on an empty project. This does not reproduce on Windows with -vulkan This issues was ...
Cannot set auto success range to an invalid value in the AIPerception component
UE - AI - May 3, 2019When modifying the value of "Auto Success Range from Last Seen Location" to a value that is not it's default, you can not set it back to its default -1 one value. This was reported and tested in 4 ...
adjusting the scale of a DM via BPs will not give accurate collision
UE - Simulation - Physics - Destruction - Dec 8, 2014DESCRIPTION: Adjusting a DMs scale via blueprints will cause issues for the collision of the DM once it has been scaled up or down. Scaling down by half or up by a value of 2 or 3 is easier to see t ...
Attenuation Overrides Reset for Spatialize on Sound Cues after Upgrading to Newer Engine Version
UE - Audio - Nov 17, 2016A user on the AnswerHub has reported that a number of his sounds have had their Attenuation Override settings reset, more specifically the 'Spatialize' setting. I ran a few tests and discovered tha ...
Stationary Directional Lights not Rendering Dynamic Shadows on Mobile
UE - Platform - Mobile - Jan 21, 2016As the title suggests, dynamic shadows on mobile when using a stationary directional light are not appearing at all when deployed to the device or when viewed in the mobile previewer. The odd part ...
Auto Compute LOD Distance doesn't properly change screen sizes
UE - Graphics Features - Jun 12, 2018Auto Compute LOD Distance doesn't properly change screen sizes. The screen size for each LOD will be exactly the same regardless of the mesh you use with generated LODs. Working as expected in 4.19 ...
Using a Sub Anim Instance causes a "Sub Instance Loop" Compile Error
OLD - Anim - Aug 7, 2018Using a Sub Anim Instance causes a sub instance loop error when referencing another Animation Blueprint. This is a regression from 4.19.2 (CL-4033788) as it complied without error. This issue was r ...
Setting a console variable interacts with window state
When the game window is set to be windowed and maximized, setting a console variable changes the window's state from being maximized to its default size. This is a regression as it is working as e ...
UMG Drag and Drop stops working in a Packaged or Standalone Game
UE - Editor - UI Systems - Aug 20, 2018Drag and drop operations just become broken on packaged builds or launching stand-alone, despite working inside the Editor (PIE). This is a regression from 4.19.2 (CL-4033788). This issue was repor ...
add_possessable doesn't work for all objects
UE - Anim - Sequencer - Jun 17, 2019Using following code in Python: seq.add_possessable(seq.add_spawnable_from_class(unreal.CineCameraActor).get_object_template().camera_component) doesn't create a camera component track in sequen ...