Unreal Engine Issues
Unreal Engine Issues
Hot Reload fails when project code class that derives from a plugin code class is modified
UE - Foundation - Cpp Tools - Hot Reload - Oct 11, 2018Hot Reloading fails in 4.21 if a project code class that derives from a plugin code class is modified. The Editor appears to be looking for a corresponding Hot Reload .dll for the plugin, even thoug ...
Ensure when adding more than one camera to world in VR mode
UE - Editor - Workflow Systems - Jun 13, 2017Ensure condition failed: Lhs.CurrentNum == Lhs.InitialNum [Link Removed] [Line: 197] Array has changed during ranged-for iteration! Ensure occurs after dragging in multiple cameras into the world i ...
"Build" button causes "Validation failed" and breaks references of meshes in Sublevel according to a prescribed procedure
UE - LD & Modeling - Modeling Tools - BSP - Feb 9, 2019A licensee reported that "Build" button causes "Validation failed" and breaks meshes in a Sublevel according to a prescribed procedure. The process is quite complicated, but I can 100% reproduce thi ...
GI not coming in with lighting build data when lighting built outside of main scene
UE - Graphics Features - Mar 27, 2024Volumetric Lightmaps are not shared between Persistent maps that have the same sublevels. Also observed in Release-5.4, CL 32500436 ...
Compiling blueprint with anim bp crashes editor in MathExpr exec
UE - Gameplay - Blueprint - Jan 30, 2016Compiling a player character blueprint that is tied to an anim bp crashes the editor. Frequency: 2/2 Crashreporter: N/A ...
MatineeFightScene too dark due to tonemapperfilm changes
Docs - Samples - Jan 31, 2017MatineeFightScene is heavily dependent on the old Film settings in the tonemapper. Since 4.15 made changes to this, the scene is extremely dark. The project needs r.TonemapperFilm=0 added so that i ...
FSlateApplication::OnControllerButtonPressed/Released removed causing input plugins to no longer work
UE - Editor - UI Systems - Slate - Dec 8, 2014The functions OnControllerButtonPressed/Released using FKey were deleted for 4.6. This leaves plugin authors no way of propagating key presses from their plugin in to the input system. ...
>1ms increase in frame time with showflag.translucency , despite minimal translucency in the scene
UE - Graphics Features - Sep 2, 2021Licensee reports this change, and can confirm a very rough similarity observed in a template project in 4.27: [Image Removed] ...
Movie play following Open Source crash editor when changing viewport size.
Media Framework - Mar 29, 2017When playing movie in PIE, changing viewport size leads to Engine crash. This is not reproduced in 4.14.3 ...
LODbias settings appear to have no effect when specified by GPU on android
UE - Platform - Mobile - Oct 3, 2019When setting the LODbias via the device profile for a specific Android GPU it does not appear to have an affect on the textures when run on the device ...