Unreal Engine Issues
Unreal Engine Issues
Priority order of texture parameters on post process material instances is inverted
UE - Graphics Features - Jan 13, 2025The texture parameters on material instances applied to post process volumes do not respect the priority order of the post process volume, and are in fact inverted relative to the priority of other ...
[AI] WP Dynamic navmesh fails to rebuild tiles with actors that are loaded but not part of the base navmesh.
UE - AI - Navigation - Feb 18, 2025WP dynamic navmesh does not properly react to actors or navigation modifiers that are loaded in areas that the navmesh has not yet streamed into. Although the actors/modifiers are not part of the ba ...
Blueprint Struct Issues - Data table wiped data
UE - Gameplay - Blueprint Compiler - Aug 19, 2024The user has come across various issues with using nested blueprint structs within a data table. The first issue relates to changing a variable in a child struct and setting it back then saving, cau ...
Need addElement and addElements to allow single insertion instead of to all elements with matching tag
UE - Platform - Mobile - Aug 1, 2017Since multiple dict tags can be in a plist, not just the top level, need to be able to specify to only insert once. Adding an optional once="true" attribute to these commands in UPL will allow this ...
On Instance Take Radial Damage will not receive radial damage against Foliage
UE - Gameplay - Jun 28, 2022Different results in //UE4/Release-4.27 CL#18319896 On Instance Take Radial Damage will not receive radial damage against Foliage. ...
SceneCapture2D loses Blendable when Capture Every Frame is turned off even if Scene Capture is updated
UE - Graphics Features - Mar 16, 2016Scene Capture 2D components lose access to the Blendable assigned to them if they are not set to Capture Every Frame at all times. If it gets turned off, the blendable can never be reapplied at run ...
[CrashReport] UE4Editor_Renderer!FMaterialShader::VerifyExpressionAndShaderMaps() [shaderbaseclasses.cpp:148]
UE - Graphics Features - Jun 14, 2017This is a common crash occurring in the 4.16 release. It is spread out across many different CrashGroups with slight variations in Callstack. Additional information is not available at this time. ...
Crash during package save due to the async text mesh build in Text3D
UE - Virtual Production - Sep 22, 2022Saving a package in the editor while there is a queued text mesh build will cause a fatal error because the build will execute during the save, and creating objects while saving is not allowed. This ...
Validity of a workaround for an issue with MobileRenderer where RecieveShadow can't be rendered properly
UE - Platform - Mobile - Nov 11, 2024Dynamic instancing is likely causing an issue where meshes that need shadows are getting combined with meshes that do not need shadows causing missing shadows. Tests were done with CSMs. Reproducti ...
Backwards-compatibility broken for the CDOs of Python-generated Unreal Types because of missing redirectors
UE - Editor - Workflow Systems - Feb 11, 2025Previously, all Unreal Types generated by python scripts would be created inside package "/Engine/PythonTypes". This was changed by [CL 32478991 in ue5-main branch], which meant to "remove the restr ...