Unreal Engine Issues
Unreal Engine Issues
Movie play following Open Source crash editor when changing viewport size.
Media Framework - Mar 29, 2017When playing movie in PIE, changing viewport size leads to Engine crash. This is not reproduced in 4.14.3 ...
Editor Crashes When Reloading Textures in Debug Tools
UE - Editor - UI Systems - Slate - Apr 11, 2016Crash occurs while Playing in Editor and debugging by reloading textures. Occurs for both Mac and PC. Regression: Does not occur in UE4.10 testing on Match 3 ...
Containers of Instanced Subobjects don't inherit as expected
UE - Gameplay - Blueprint Editor - Jul 6, 2018Changes made to array containers in the parent Instanced Subobject Blueprint does not affect the child. Working in 4.18.3 Broken in 4.19.2 Tested in 4.18.3(CL - 3832480), 4.19 (CL - 4033788), 4. ...
Event Dispatcher objects cannot be deleted after the initial graph node is renamed
UE - Gameplay - Sep 14, 2020Adding an Event Dispatcher to the Level Blueprint and then renaming the initial graph node within that Event Dispatcher prevents deletion from that point forward. Renaming the Event Dispatcher from ...
CommonUI uses cached geometry that might be zero sized for gamepad focus
UE - Editor - UI Systems - Jan 11, 2023Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. Workaround for issue is to have a text box in the vertical box before any buttons; fir ...
Offset Root Bone Node needs reconstruction from velocities
UE - Anim - Jul 16, 2025The experimental Offset Root Bone node does not respect velocities, meaning that it does not work when a character is based on a moving platform. The capsule will rotate with the platform, but the r ...
Editor freezes when setting browser filepath for inserted element in project settings
UE - Platform - Mobile - Feb 7, 2017May be similar issue as [Link Removed] but with slightly different repro steps. Not a regression as it occurs in 4.14.3 ...
Ongoing D3D 'HUNG' crash - FD3D11Viewport::PresentChecked()
UE - Graphics Features - Jan 18, 2017This is a new ticket for the D3D 'HUNG' crash originally reported in [Link Removed]. Some fixes were introduced in 4.14.2 that decreased the occurrences of this crash, but other cases are still ongo ...
Material Panner displays unusual behavior with timeline update
UE - Graphics Features - Jun 1, 2017A material with a panner displays unusual behavior when the value of the panner's speed it dependant on a timeline. As time spent in the project increases the speed of the material while changing va ...
Combo Box String widget doesn't change color via function
UE - Editor - UI Systems - Slate - Sep 24, 2019Attempting to change the Foreground color of a Combo Box String in the Graph tab of the owning widget Blueprint has no effect. Tested in 4.20.3 (CL - 4369336), 4.21.2 (CL - 4753647), 4.22.3 (CL - 7 ...