Unreal Engine Issues
Unreal Engine Issues
A build may fail in Visual Studio if a space is added after the # in an include pre-processor instruction to allow a struct in one header file to reference a struct in the other
UE - Foundation - Core - Sep 23, 2016A project building in Visual Studio will sometimes fail with the error Unrecognized type 'FBar' - type must be a UCLASS, USTRUCT or UENUM. This can occur in situations where one struct was reference ...
Hot Reload crash on PIE with custom AIController and Perception Component
UE - AI - Sep 29, 2015If a pawn in the level is using a custom AI Controller that sets the AIPerceptionComponent in code, the editor will crash on PIE after a hot reload. CrashReporter: [Link Removed] ...
StartCameraFade() breaks on mobile projects after editor is closed/reopened
UE - Platform - Mobile - Oct 6, 2015If a project that is set to Mobile/Tablet and Scalable 3D or 2D uses StartCameraFade() to produce a fade in effect, the effect will not play in PIE if the editor is closed/reopened. ...
Values are not copied for a EnumArray that is part of an exposed Struct Variable
UE - Gameplay - Blueprint - Jun 21, 2016Values are not copied for a EnumArray that is part of an exposed Struct Variable; when copying from the Details panel to a copy of the same actor. User Description: If you make an array of custom ...
Crash occurs if the Recast Navmesh is set to Dynamic and the BehaviorTree runs a 'Does Path Exist' decorator
UE - AI - Jun 16, 2015Crash occurs if the Recast Navmesh is set to Dynamic and the BehaviorTree runs a 'Does Path Exist' decorator. Crashreporter info: [Link Removed] ...
Toggling SetSimulatePhysics state on a Primitive component with a child PrimitiveComponent leaks PxShapes
UE - Simulation - Physics - May 23, 2016FBodyInstance::Weld did not check to see whether or not child components were already welded to a parent. This meant that whenever Weld was called, ShapeToBodiesMap would continue to grow in size, e ...
Crash with Twitch Live Streaming Plugin
UE - Foundation - Cpp Tools - Plugin System - May 12, 2015The user is trying to get the Twitch LiveStream Plugin to work. After reading through some more recent Forum posts as well as the initial implementation of the Plugin within the release notes, it is ...
Alpha channel is not working on drag and drop function
Tools - Nov 5, 2014When using the drag and drop function in UMG on an image with an alpha map the background will show up as black instead of translucent. ...
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 ...
USDStage - USD Material Overrides not reading
UE - Editor - Content Pipeline - USD - May 31, 2022USD material overrides do not get applied properly to a USDStage prim inside UE. When a material override that is set to a parent prim of USD Material, the override is ignored. A usd material ...