Unreal Engine Issues
Unreal Engine Issues
Wrong normal map compression settings when importing USD file
UE - Editor - Content Pipeline - USD - Apr 22, 2022Customer Comments: this is just a workflow issue where you need to set the compression settings to normal or tick the sRGB checkbox to fix the shading issue Regression testing done in //UE4/Rele ...
[Interchange] Crash on asset re-import
UE - Editor - Content Pipeline - Import and Export - Feb 7, 2025We've started seeing a crash in editor when re-importing one of our assets. <pre class="ql-syntax">Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 783] Array index out of ...
BP - Invalid component variable reference 'Access None' spam in a dedicated server build if the component class returns 'false' for NeedsLoadForServer().
UE - Gameplay - Components - May 10, 2016If a component class returns 'false' for NeedsLoadForServer(), then variables will not be included in the class in a cooked/packaged dedicated server build, and thus any variable references in scrip ...
OSX editor fails to run on "older" hardware
at first, a "OpenGL Not Supported" message box appears and then the Editor instantly crashes after the "OK" button has been pressed. I tried again, but this time, passing in the "-opengl" flag. it ...
Color Picker will open half or more off screen
Tools - Dec 15, 2015Users are experiencing an issue where the color picker is opening half or more off screen. This is particular bad for users who only have one monitor. It is most prevalent in a UMG Widget BP, but ...
Allow Window Resize has no effect on Linux
UE - Platform - Linux - Jun 8, 2017Checking the option for Allow Window Resize in Project Settings allows a the borders of a standalone window to be grabbed and used to resize the window. This does not behave the same on Linux and t ...
QAGame projectile collisions are not working
UE - Simulation - Physics - Jul 3, 2017I was not able to repro this with template projects in //UE4/Release-4.17. I was not able to repro the lack of collision to the same static mesh I shot at if I tried to run into it. That is why I me ...
Foliage disappears after 1.5k if occlusion culling project setting is disabled
UE - World Creation - Worldbuilding Tools - Foliage - Aug 30, 2017When unchecking the Occlusion culling option in the project settings, if you place over 1.5k foliage meshes in the world, they stop rendering, the meshes are still present in the level and can be se ...
Preformance drop when calling draw to render target
UE - Graphics Features - Jun 19, 2018There is a major performance drop after 4.18 when calling draw material to render target. This is an issue reported by many community members, and there seem to be additional reports with different ...
The result of the Attach target change operation using AttackTrack's ContextMenu varies depending on the flow
UE - Anim - Sequencer - Jul 6, 2018At present AttackTrack's context menu has three patterns of Attach target change flowChange constraintBindingIDUse ExsitBindingUse NewBinding However, 1 and 3 can correctly change the target, but t ...