Unreal Engine Issues
Unreal Engine Issues
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. ...
RHIGetAvailableResolutions returns duplicate entries when bIgnoreRefreshRate is false
UE - Rendering Architecture - RHI - Sep 17, 2015When the RHIGetAvailableResolutions function fills the array that is passed in as the first argument, it will end up filling some slots with duplicate resolutions (including refresh rate) when the b ...
Preview Instance can still trigger print strings when you PIE
OLD - Anim - Apr 10, 2015In the given answerhub example, the user has a print string coming from IsNotValid on a check of *TryGetPawnOwner*. This is returning a false negative to him when he PIE's because the Preview insta ...
Editor Dirty flag not updated in Windows task bar until focus is returned
Tools - Jan 10, 2015A Blueprint marked Dirty will appear in the Windows Task Bar with an asterisk beside its name. Saving this Blueprint will remove the Dirty flag, but the Task Bar will continue to show the BP as Dirt ...
Deleting a bound function from a widget sets the binding to None which causes compile to fail
UE - Editor - UI Systems - Mar 9, 2015Deleting a bound function from a widget sets the binding to None which causes compile to fail. Deleting a bound function from a widget sets the binding to None which causes compile to fail The li ...
Re-importing JSON File Causes a Blank Editor Window Until the Asset is Reopened
UE - Editor - Content Pipeline - Import and Export - Jul 11, 2016Re-importing a JSON file causes the asset window to be cleared out until the file is reopened in the editor. ...
Linux UI highlights when dragging the editor window
UE - Platform - Linux - Mar 2, 2016Buttons and other UI elements of the Linux editor are highlighted when they are over the pointer's original click position. ...
Particle Lights do not honor Lighting Channel assignments
UE - Niagara - Jul 15, 2016Particle system light's module does not use Lighting Channels. The particle system itself will accept lighting from it's assigned lighting channels but the lights spawned from the particle system, n ...
CDO is not properly updated on Hot Reload causing "ghost" code.
UE - Foundation - Cpp Tools - Hot Reload - Jan 10, 2017When a hot reload is preformed, the CDO is not properly cleared. This causes a copy of the class to be generated with both the original and copy triggering calls. Workaround: Preforming an additio ...
Loss in Specularity on Skin Shading when Shadowed by Indirect Capsule Shadows using r.sss.checkerboard 0
UE - Graphics Features - May 23, 2017A licensee is reporting incorrect or over exaggerated loss of specularity on the Subsurface skin shading model when shadowed by indirect capsule shadows, and then modifying the r.sss.checkerboard se ...