Unreal Engine Issues
Unreal Engine Issues
Blueprint diffing tool attempts to diff transient properties
UE - Gameplay - Blueprint Editor - Oct 28, 2019The Blueprint diffing tool should skip transient properties. ...
Pointer being freed was not allocated on IOS with MallocBinned2
UE - Platform - Mobile - Apr 15, 2024Slack thread [Link Removed] Probably related to the same issue seen on Android, explained here: [Link Removed] ...
COTF has issues with out-of-source projects
It is expected that cooking, including COTF, will fix-up all string asset references. There were a few reasons this wasn't happening, but we should get these fixes into 4.15 as the impact was worst ...
Trigger Montage Ended Event results in Unhanded Exception
OLD - Anim - May 6, 2019TriggerMontageEndedEvent is calling RemoveAtSwap after the NotifyEnd callback which is not safe if the ActiveAninNotifyState array is modified by the callback. WorkAround: Add a Delay node befo ...
Updating project modules causes custom blueprints to lose reference to parent class
UE - Gameplay - Blueprint - Jul 7, 2016When changing the name of a module or creating a new module, updating the _API of a class to the new module will cause blueprints based on this class to lose reference ...
Editor memory leak when Actor's string variable contains characters close to/exceeding a million bytes
Tools - Dec 19, 2018Editor memory leak occurs when Actor's String Variable contains Characters(Char) close to/exceeding a million bytes ...
Level Instance: failed check in duplication code when embedding
UE - World Creation - Worldbuilding Tools - Level Instances - Aug 2, 2021Mentioned in this UDN is the possibility that duplication of some actor fails because their BP as been deleted. ...
The drawing order of widgets becomes wrong when GlobalInvalidation is enabled,
UE - Editor - UI Systems - Slate - Nov 26, 2021When trying to create a widget with specific steps, the drawing order may not be correct. This is not reproduced when Global Invalidation is disabled, and the state can be restored. This issue is pr ...
Using HISM with Density Scaling enabled throws an Ensure when Foliage Quality is lowered
UE - Graphics Features - Apr 5, 2022Using HISM with Density Scaling enabled throws an Ensure when Foliage Quality is lowered. ...
Opening Editor preferences window while simulating and pressing Play/Stop causes memory leak
UE - Foundation - Core - EditorLoader - Feb 3, 2020An open but minimized Editor Preferences window causes a memory leak while simulating and repeatedly pressing Play/Stop. ...