Unreal Engine Issues
Unreal Engine Issues
Scene with texture collection crashes when dumping a full memreport
UE - Rendering - Architecture - RHI - May 28, 2025A licensee has reported that generating a full memreport of a packaged project which uses a texture collection leads to a crash. ...
Actor Components incorrectly appearing mixed with the Scene Component Hierarchy in the Component Tab of the Blueprint Editor
UE - Framework - Blueprint Editor - Dec 19, 2025This is a regression introduced by CL 45871568 in ue5-main branch. The new function FFBlueprintEditorDefaultSortUICustomization::SortSubobjectData() in file "BlueprintEditorSCSEditorUICustomization. ...
The visibility state of on-screen stat messages is not restored correctly after entering and leaving PIE. This also affects other important on-screen messages like map warnings and debug messages.
UE - Editor - UI Systems - Nov 28, 2024Currently, the ShowStats viewport option is automatically enabled when entering PIE and automatically disabled when exiting PIE. This forced disabling happens even if the option was enabled prior to ...
GoogleVR - Crash opening application on device: FATAL EXCEPTION: MainThread-UE4
UE - Platform - XR - Oct 30, 2018GoogleVR package for android crashes on startup with the following error:10-30 11:36:52.658: E/AndroidRuntime(12189): FATAL EXCEPTION: MainThread-UE4 10-30 11:36:52.658: E/AndroidRuntime(12189): Pr ...
Crash on iOS9 when using Apple's CFNetwork library
UE - Platform - Mobile - Dec 6, 2016Many clients have hit a crash due to an Apple library using operator delete on a memory block that was not allocated with operator new. This happens with the following callstack on iOS9 in UE4.13 o ...
tvOS becomes non responsive after killing a launched on app from Mac
UE - Platform - Mobile - Sep 28, 2016tvOS locks up with the following message being repeated in the device log:Sep 28 10:27:50 Apple-TV-Joey UE4Game[610] <Notice>: [2016.09.28-14.27.50:752][188]LogHttp:Display: Sleeping 0.5s to wait fo ...
No warning when attempting to add a non-Additive animation to aim offset
OLD - Anim - Nov 14, 2016REGRESSION: Yes, working in //UE4/Main at CL 3196079 When attempting to add an animation sequence with the incorrect additive type to a aim offset graph, the user isn't given a warning that this ca ...
Interface cast nodes can be placed for non-object pins
UE - Gameplay - Blueprint - Feb 1, 2021Interface Cast nodes appear to be returned as valid and context sensitive for every possible pin, even ones like floats and integers. Following the repro above, it is easy to place a node but it wil ...
MaterialInstanceConstant doesn't refresh soft references of non-overridden texture parameter
UE - Graphics Features - Aug 22, 2022Observed by a licensee: [Link Removed] When a material instance points to a material, and the material is edited to change a texture and the material and material instance are saved, the material i ...
Non-public soft reference properties don't get PIE fixup
UE - Gameplay - Blueprint Editor - Jan 3, 2023Actor Soft References which have been set in the class defaults (not set per instance) don't seem to get the PIE path fixup when they're private. Toggling the property as private and public shows d ...