Unreal Engine Issues
Unreal Engine Issues
[PCG] Undoing the deletion of a pcg actor removes the Instance Category from the pcg component, specifically no graph parameter can be seen.
UE - World Creation - Procedural Tools - PCG Component - Oct 31, 2025Context: PCGComponents on actors contains a category "Instance" that allows the user to connect a PCG Graph of their choosing to the PCGComponent which allows the Procedural Node Graph to sample the ...
Compile button disappears and Hot Reload stops working after failing to Hot Reload in some cases
UE - Foundation - Core - Jun 2, 2016When failing to hot reload in some cases, the compile button in the editor will disappear and Hot Reloads will stop occurring. This tends to happen randomly in other scenarios but the method above i ...
Deleting the first instanced subobject entry from a Blueprint map or set variable's default value can result in an editor crash.
UE - Gameplay - Blueprint Compiler - Sep 27, 2021Deleting the first instanced subobject entry from a default value for a map or set variable can result in accessing an incorrect subobject for the element's value during reinstancing, which can then ...
Renaming a custom component code class and performing a Hot Reload will cause the Editor to crash when a Blueprint containing an instance of that component class is opened.
UE - Gameplay - Blueprint - Nov 26, 2014Renaming a custom ActorComponent class when that class is set as a component in a Blueprint and performing a Hot Reload will crash the Editor if the Blueprint is opened for editing after the project ...
In-editor hitch when deleting one actor in a world with many loaded actors
UE - CoreTech - Nov 17, 2023When editing a level with many actors (1000+), deleting an actor results in a noticeable hitch: the editor becomes unresponsive for seconds. This hitch becomes longer the more actors are loaded and ...
LIVE: Deleting a folder in the content brower shows unrealted assets
UE - Editor - Content Pipeline - Content Browser - Aug 25, 2014User Description: Upon deleting a subfolder in the content browser, your currently open folder displays many objects from other folders as well. Summary: Deleting a folder will cause the content b ...
Digital buttons for gamepad thumbsticks and triggers can fire multiple times per-frame in Game Input
UE - Gameplay - Input - Dec 4, 2024In Game Input, the buttons for different thumbstick and trigger digital events (i.e. RightStickUp, LeftStickUp, LeftStickRight, etc) can actually fire multiple times in a single frame, even though w ...
GearVR trackpad quadrant buttons not detected in TM-MotionControllers
UE - Platform - XR - Jul 12, 2017Using the TM-MotionControllers map as a test for GearVR, the 4 buttons in the trackpad quadrants of the bluetooth controller don't register via the blueprint. This issue did not occur on Vive at th ...
Step/Stop/Resume buttons change positions on blueprint editor window when stepping through blueprints
UE - Gameplay - Blueprint - Sep 23, 2015While stepping through blueprints utilizing breakpoints, the step/stop/resume buttons often change places slightly depending upon which nodes are being stepped through. This can be problematic while ...
Clicking the Add Variable button in a Struct that is referenced as two inputs in a function that is called in an Actor Blueprint's Construction Script causes a crash
UE - Gameplay - Blueprint - Jun 28, 2015Clicking the Add Variable button in a Struct that is referenced as two inputs in a function that is called in an Actor Blueprint's Construction Script causes a crash. This does not occur in the Even ...