Free physics constraints between two objects of differing size causes smaller object to jitter

UE - Simulation - Physics - Sep 13, 2023

A cube constrained to a physics actor will start to jitter uncontrollably when interacted with. (see attached media and repro steps for more details) Tested in the following //UE5-Release-5.3-CL ...

Additives using Frame From This Animation as the Base Pose Type fail to retarget correctly

UE - Anim - Rigging - Retargeting - Feb 13, 2025

Additive animations that use a frame from their own sequence as a base pose are initially broken when retargeted.  Users have to refresh the properties that select the base pose in order to fix the ...

[CrashReport][GPU Crash] UpdateRadianceCaches

UE - Graphics Features - Nov 19, 2024

A GPU crash may occur during UpdateRadianceCaches. No known repro exists. Additional details in comments. Latest version: ++UE5+Release-5.5-CL-37670630 Platform: Win64 [Windows 11 (24H2) [10.0.261 ...

A 5.5 level that contains a Text3DComponent in a BP crashes the engine when opened in 5.6 (and up)

UE - Virtual Production - Sep 11, 2025

A 5.5 level that contains a Text3DComponent in a BP crashes the engine when opened in 5.6 (and up). The licensee has provided his analysis: Description: Level instance created in UE5.5 and re-saved ...

Compiling a blueprint with SetCollisionResponseToChannel Causes Crash

UE - Gameplay - Dec 5, 2016

When using a blueprint with a destructible component, you can call the SetCollisionResponseToChannel node of that component in the construction script. As a result the engine will crash when attempt ...

Switching to different modes in the Modes panel causes PIE to take input from a connected VR headset for the Y axis camera movement

UE - Platform - XR - Dec 9, 2016

If a VR headset is connected, it will be used for Y axis camera input in PIE if you have switched to and from the Landscape tab in the Modes panel. You can fix this temporarily by reopening the edit ...

[CrashReport] Access violation - code c0000005 in FD3D11DynamicRHI::RHISetShaderTexture

UE - Rendering Architecture - RHI - Apr 17, 2017

This crash occurs frequently for our users. It appears to be the same issue that was logged in [Link Removed]. For that Jira, the CrashGroup stopped getting updates after 4.13.2 - [Link Removed] ...

Setting bIsOrthographic does not change the view to/from Orthographic view

UE - Gameplay - Nov 16, 2017

Editing the bIsOrthographic variable in PlayerCameraManager does not cause the view to change to/from Orthographic Regression?: Yes This worked correctly in 4.17.2-3658906+++UE4+Release-4.17 This d ...

Can't change to Orthographic View when viewing Character assets in Editor

OLD - Anim - Nov 20, 2017

When attempting to view an Animation Blueprint, Skeletal Mesh, or Physics Asset in any of the Orthographic views the Editor remains in Perspective View. This is a regression as the issue was not pre ...

Materials displayed in Material Editor are jittery / shaky on Linux

UE - Platform - Linux - Nov 29, 2017

Materials displayed in the material editor do not appear the same as on Windows platform. Edges of the material sphere appear jagged and flicker on Linux rather than being a crisp circular line (se ...