Animation to Ragdoll: Character blinks for 1 or more frames

UE - Simulation - Physics - Mar 4, 2016

Character is not rendered for frame between Death animation and conversion to ragdoll physics In the linked movie, if you pause at the 34 second mark and play frame by frame, you will see the chara ...

Crash when using Ctrl+Z to undo a single digit change in the size of a widget

UE - Anim - Sequencer - Feb 21, 2017

When trying to undo a single digit change the editor will crash. For example, if a user highlights and replaces a single number in the size of a widget and then attempts to undo, the editor will cra ...

iPhonePackager code signature not supported by iOS 15

UE - Platform - Mobile - Sep 27, 2021

No alpha to coverage for ES3.1 and mobile Vulkan

UE - Platform - XR - Jan 29, 2020

MSAA is not applied to masked textures/materials. Testing blocked in MAIN 4.25 @ CL 11144351 by [Link Removed] ...

Some features have not yet been supported when using AmbientCubemap as IBL

UE - Graphics Features - Mar 26, 2025

Translucent materials do not receive specular highlights and reflections from Ambient Cubemaps set in Post-Process settings. There is a pass"InjectTranslucencyLightingVolumeAmbientCubemap" that sho ...

4.22.1 Crash in FVulkanResourceMultiBuffer::Lock

UE - Rendering Architecture - RHI - Jul 31, 2019

Vulkan Multibuffer Lock mechanism for ReadOnly does not appear to be implemented. Temporary workaround has been provided to licensee. ...

Skip Assigning Gamepad to Player 1 does not work

UE - Gameplay - Input - Feb 2, 2024

This is a regression from a long while ago that needs to get fixed ...

Spin box delta does not show update values correctly

UE - Editor - UI Systems - Dec 29, 2014

When setting the Spin box delta to 1 and the slider exponent to 1 the value of the spine box should go up by 1s. However, the actual value is still retains decimal points and is rounded to show whol ...

Support RHI texture readback for non 2D textures

UE - Rendering Architecture - RHI - May 22, 2019

Animation to Ragdoll: Character flips direction for 1 frame

Docs - Samples - Mar 8, 2016

Character rotates 90 degrees abruptly for one frame so that it appears to "flip-flop" for that one frame between Death animation and conversion to ragdoll physics This is in relation to [Link Remov ...