Unreal Engine Issues
Unreal Engine Issues
DirectX Tesselation Crash
UE - Graphics Features - Dec 12, 2017Per UDN Licensee: I have 2 crash repro when enabling DirectX12, both linked to tesselation and still present in 4.18 stock engine and easy to reproduce. Crash 1 -Start editor with DirectX12 -Cre ...
Landscape Spline Width/Side Falloff does not respect Unreal Units.
UE - LD & Modeling - Terrain - Landscape - Nov 15, 2019The user reports that the Landscape Spline Width and Side Falloff isn't respecting Unreal Units in the Editor. The usage for comparison is a Cube that is scaled up 7x to Splines that have a Width of ...
Blueprint Editor Show Grid does not toggle the grid in the viewport
UE - Editor - Workflow Systems - Oct 28, 2020The grid in the blueprint editor is not able to be hidden via the Show Grid flag in the viewport dropdown. This has regressed sometime in //Ue4/Release-4.25 as I cannot reproduce this issue in //UE4 ...
The ChaosCacheManager changes the bSimulatePhysics flag from the ObservedComponents and, if deleted, the change will persist, what can lead to confusion as observed physical entities will inadvertently stop simulating physics
UE - Simulation - Physics - Nov 26, 2024The ChaosCacheManager (CCM) changes the bSimulatePhysics flag from the ObservedComponents and, if deleted, the change will persist, what can lead to confusion as observed physical entities will inad ...
Non-terminating while loop when creating a new BP Actor and quickly switching between components.
UE - Gameplay - Blueprint Editor - May 14, 2024It is possible for the while loop in UnrealEditor-SubobjectDataInterface.dll!USubobjectDataSubsystem::GetActorRootHandle(const FSubobjectDataHandle & StartingHandle) Line 815 to not terminate when ...
Clean DocumentDB setup fails indexing
UE - Foundation - Horde - Server - Feb 21, 2025Source [Link Removed] The user has encountered the error log: MongoDB.Driver.MongoCommandException: Command createIndexes failed: Implicit collection creation not supported when creating indexes I ...
Nativized Packaging Fails When Delegates Have Same Output Parameters
UE - Gameplay - Blueprint Runtime - Dec 12, 2016Attempting to package a project using Nativize Blueprint Assets that contains delegates that have the same output parameters (such as binding an event to the OnCanvasRenderTargetUpdate event as show ...
(Paper2D) Polygon Collision does not correctly rebuild when using rebuild collision node in packaged game
UE - Gameplay - Paper2D - Nov 29, 2017With tile maps, Polygon Collision does not correctly rebuild when using rebuild collision node in packaged game. This issue does not appear to be a regression. Versions Tested: Issue occurs on all ...
Crash opening Child/Grandchild Blueprint after updating to 4.18
UE - Gameplay - Blueprint - Nov 29, 2017From this UDN: https://answers.unrealengine.com/questions/718928/4180-editor-crash-while-opening-child-blueprint.html Crash occurs when opening child (or in the repro case, grandchild) blueprints a ...
Different result from panner when connecting Time with Period
UE - Graphics Features - Apr 9, 2018Panner results for a Time node and another Time node with period setting will not stay the same even when the period is set to be long and both Time nodes are outputting the same value. It looks li ...