Unreal Engine Issues
Unreal Engine Issues
OnlyTickMontagesAndRefreshBonesWhenPlayingMontages visibility option updates anim instance multiple times
UE - Anim - Runtime - Anim Blueprints - Apr 25, 2024The OnlyTickMontagesAndRefreshBonesWhenPlayingMontages setting added in 5.4 is broken. It only works because it unintentionally forces a second call to UAnimInstance::UpdateAnimation (via RefreshBo ...
Volumes visible on screen cannot be selected with box selection if "Box Select Occluded Objects" is enabled
UE - Editor - Workflow Systems - May 22, 2024When using box selection with "Box Select Occluded Objects" enabled, volumes in the box selection zone are not able to be selected. ...
Windowed game window can restore to the wrong size due to DPI Awareness is configured after setting initial window size
UE - Graphics Features - Jul 31, 2025If in use, DPI Awareness is set after the initial window size is set. For a Windowed window, the settings are unable to restore the prior resolution settings on an application restart due to the pr ...
Hot Reload changes actor focus from a component to its root
Tools - Mar 10, 2015When a hot reload occurs in the editor, if the component of a placed actor is selected then focus will switch from the component to the actor's root. This can be confusing when the root is a code c ...
Deleting class instance will call destructor for each instance of the class
Tools - Mar 11, 2015**UPDATE** When the actor is pulled from content browser to scene, a "ghost" object is created even if the actor is still being "held". Dragging the actor back and forth into the editor viewport wi ...
Blueprint navmesh modifier does not update navmesh in level
UE - AI - Jun 21, 2015CrashReporter: [Link Removed] The Navmesh Modifier Component in blueprints does not properly update a levels navmesh. ...
GPU Particle Freeze in Fullscreen PIE when Combined with Widget Blueprint using any Widget Element
UE - Graphics Features - Jun 27, 2016Certain particle systems freeze when rendered in Fullscreen mode during PIE with Text Block added within Widget Blueprint. From what I could tell it is the GPU particles that are freezing. Note I n ...
Application is crashing on the HTC One when UMG is used in the project
UE - Platform - Mobile - Jan 26, 2015If you include UMG in your project and deploy to an HTC One, the project will crash on the device. Tested this on multiple devices (Galaxy S5, HTC One, NVIDIA Sheild tablet) Monitor logs are atta ...
Changing the value of a text struct variable inside a duplicated function that contains a Make Struct node will reset that value in the original function
UE - Gameplay - Blueprint - Mar 11, 2015Changing the value of a text struct variable inside a duplicated function that contains a Make Struct node will reset that value in the original function. This does not appear to occur with other va ...
Bisecting a BSP with another BSP with an axis scale value at < .25 breaks bsp faces
UE - LD & Modeling - Modeling Tools - BSP - Sep 26, 2016Bisecting a BSP with another BSP with an axis scale value at a value < .25 breaks bsp faces, causing them to no longer render correctly. NOTES The value at which this begins to occur is 0.249992 ...