Unreal Engine Issues
Unreal Engine Issues
Android Random Startup Crashing
UE - Platform - Mobile - Sep 9, 2020Licensees are reporting random crashes at startup, with randomly different messages, but it seems that all have a "low-address null pointer dereference". The licensee believes that the phone someti ...
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 ...
Replicated variables defined in Actor Component blueprints do not actually replicate
UE - Networking - May 1, 2015Replicated properties defined in an actor component blueprint are not being replicated because UActorComponent::GetLifetimeReplicatedProps isn't adding the blueprint properties to the OutLifetimePro ...
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 ...
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 ...
Using a Sub Anim Instance causes a "Sub Instance Loop" Compile Error
OLD - Anim - Aug 7, 2018Using a Sub Anim Instance causes a sub instance loop error when referencing another Animation Blueprint. This is a regression from 4.19.2 (CL-4033788) as it complied without error. This issue was r ...
Setting a console variable interacts with window state
When the game window is set to be windowed and maximized, setting a console variable changes the window's state from being maximized to its default size. This is a regression as it is working as e ...
Blueprint graph stops drawing correctly after using shift-drag
UE - Gameplay - Blueprint Editor - Dec 26, 2018When shift-dragging in the Blueprint graph and ending the drag on a node with a connected wire, the Blueprint graph will freeze up. There is an attached video that showcases the issue as well. Th ...
Retargeting an Animation to a Skeleton with a Virtual Bone causes the Engine to crash
OLD - Anim - Jan 14, 2019This crash occurs when trying to retarget an animation onto another skeleton with a retargeting rig that references a virtual bone. This issue could be similar to [Link Removed] This issue was re ...