Unreal Engine Issues
Unreal Engine Issues
Shadow Maps performance issue with 5.4 in comparison towards 5.3
UE - Graphics Features - Shadows - Nov 20, 2024Shadow depths performance for non-VSM in certain scenes, notably those with rect lights and meshes that are set to movable, went from ~2ms to ~18ms going from UE 5.3 to UE 5.4. Setting the movable a ...
Crash in FPipelineFileCacheManager::RegisterPSOStats
UE - Rendering Architecture - Oct 25, 2024The game can crash when one thread clears RunTimeToPSOUsage while another thread is expecting it to contain a PSO it is registering stats for. Thread A: calls CacheGraphicsPSO() Thread B: calls C ...
Crash when pasting category
UE - Editor - Workflow Systems - Oct 25, 2024The following code example will generate category rows with nullptr assigned to OnPasteFromTextDelegate which causes a crash if the user tries to paste onto a row. Once you have this code create th ...
Blueprints breakpoints in a For-Loop stops execution only once when the blueprint asset is from a project template
UE - Gameplay - Blueprint Runtime - Oct 18, 2024This issue occurs when placing a breakpoint inside a loop in a blueprint's Event Graph or Function Graph. The breakpoint is only triggered once, even though the loop should continue executing. When ...
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 ...
[WinDualShock] DualSense controller haptics with sound does not work in cooked builds
UE - Gameplay - Input - Oct 2, 2024The user has a proposed fix which they said works: Heya, so just to be clear your solution was to change the WinDualShock.uplugin file where the "WinDualShock" module is defined, and make it "Runtim ...
Editor crashes when the "Find in Blueprints" dialog runs its indexing task after any SlowTask was canceled by the user
UE - Gameplay - Blueprint - Sep 17, 2024If any SlowTask is canceled by the Editor's user, and later on the "Find in Blueprints" dialog is opened and needs to perform its async indexing task, the Editor crashes on thread FAsyncSearchIndexT ...
CSM shadow casters falsely culled due to incorrect primitive octree test
UE - Graphics Features - Shadows - Sep 13, 2024While setting up whole scene shadows, CasterOuterFrustum is used to cull shadow casters from PrimitiveOctree. CasterOuterFrustum doesn't extend far back enough, which means that if an octree node fi ...
During SIE (simulate) and ejected-PIE, modifying a map actor causes triggers RerunConstructionScript() which discards all runtime modifications to SCS components
UE - Gameplay - Blueprint Runtime - Sep 6, 2024When Simulating, or Playing-In-Editor and ejected, modifying an actor in the editor world causes the SIE/PIE runtime actor to recreate its blueprint added components via AActor::RerunConstructionScr ...
Assets referenced solely in disabled Niagara Emitters are still cooked and packaged
UE - Niagara - Sep 5, 2024Niagara Emitters, when disabled, appear to be removed from the Niagara System's packaged asset as evidenced by a sizeable reduction in size. However, if the Emitter referenced an asset, such as a st ...