Unreal Engine Issues
Unreal Engine Issues
Decal creates lighting artifacts on edge of meshes
UE - Graphics Features - Aug 22, 2017When using deferred decals there are artifacts that are caused by the emissive color of the decal when viewing the decals from a low angle. These artifacts appear as thin lines on the edges of the m ...
A newly added BlueprintImplementableEvent no longer appears in the context search menu of an Event Graph if a Hot Recompile was performed after the event was added in code.
UE - Gameplay - Blueprint - Dec 19, 2014Performing a Hot Recompile in the Editor after adding a BlueprintImplementableEvent to code class does not have the new event added to the right-click context search window in the Event Graph of a B ...
Crash occurs when entering r.GbufferFormat 3 and running the Pixel Inspector Tool
UE - Graphics Features - Jun 13, 2017A crash occurs when attempting to run the Pixel Inspector tool after entering 'r.GbufferFormat 3' What this does is defines the memory layout used for the GBuffer. (affects performance, mostly thro ...
Calling Open Level causes editor to freeze or crash
UE - Gameplay - Jul 14, 2015If the Open Level node is called on a persistent level Whttp://crashreporter/Crashes/Show/1838504 then the editor will freeze is the call is made through code or crash if done through blueprints. C ...
The default values of a Struct variable in a Blueprint will return to the default values of the Struct on compile when all values are set to 0
UE - Gameplay - Blueprint - Jan 19, 2015The default values of a Struct variable in a Blueprint will return to the default values of the Struct on compile when all values are set to 0. Possibly related to [Link Removed] Tested in 4.6.1 a ...
Set Actor Enable Collision doesn't turn off collision for Child Actor Components
UE - Gameplay - Jan 30, 2017Set Actor Enable Collision doesn't turn off collision for Child Actor Components. User expects it to do so because other nodes like Set Hidden in Game work on the entire actor and the API explains i ...
Pressed event triggered after calling FlushPressedKeys while holding the button
UE - Gameplay - Input - Oct 2, 2024This is an issue related to the behavior of the FlushPressedKeys function when called manually while a button is held. Once the function is called in C++, a Pressed event gets triggered even though ...
Viewports aren't updated (black/garbage) when resizing the editor windows
Tools - Apr 23, 2015Found on Linux but Windows seems to have the same problems. When you are dragging/resizing the window, viewports stop updating and/or show garbage. See https://answers.unrealengine.com/questions/21 ...
Source Won't Build - UnrealInsightsCLI.cpp References Missing Header
UE - Foundation - Core - May 11, 2020Line 9 in https://github.com/EpicGames/UnrealEngine/blob/4.25/Engine/Source/Programs/UnrealInsightsCLI/Private/UnrealInsightsCLI.cpp is '#include "TraceServices/SessionService.h" which used to be lo ...
Datasmith floods network with UDP traffic in a lab environment
TM - Datasmith Exporter - Aug 28, 2023They've had some luck disabling UDP transport as mentioned in the following articles:https://docs.unrealengine.com/5.2/en-US/udp-messaging-settings-in-the-unreal-engine-project-settings/https://foru ...