Making changes to a Camera Shake while previewing the Camera Shake triggers a crash

UE - Anim - Sequencer - May 23, 2022

This is not a regression. Tested in //UE4/Release-4.27 CL 18319896  Making changes to a Camera Shake while previewing the Camera Shake triggers an Assertion upon compiling. ...

Unable to dynamically load an animation blueprint in a packaged game

UE - Gameplay - Jul 27, 2015

Dynamically loaded animation blueprints do not work within packaged product. Download the pre-made project from here: [Link Removed] ...

Restore state on animation in level sequence will stop all montages

UE - Anim - Sequencer - Feb 12, 2020

It looks like UnbindFromSkeletalMeshComponent stops all montages. This is called when the animation section restores its state.  https://udn.unrealengine.com/s/question/0D52L00004lun3ySAA/restore ...

Setting a parent and child static mesh scale to negative effects the rotation on child when Snapped To Floor

UE - Gameplay - Jul 21, 2016

Setting a parent and child static mesh scale to negative effects the rotation on child when Snapped To Floor Looks to be directly related to this JIRA: https://jira.ol.epicgames.net/browse/UE-3152 ...

Global SkyAtmosphere and Clouds Issues (Cloud Shadows)

UE - Graphics Features - Dec 3, 2024

Sampling Cloud Shadows when rendering the Sky Atmosphere can incorrectly assume that the view is located at the planet's North Pole. This causes distortion in the shadows when using a sphere-shaped ...

World Origin Shifting reacts differently on positive vs. negative axis movement

UE - World Creation - Worldbuilding Tools - World Composition - Sep 23, 2015

When moving along a positive axis using world origin shifting, the value of the axis will increase and the origin will shift until it reaches a maximum value of 2147483648.000, it will transport the ...

Native default subobjects nulled in child Blueprints on compile

UE - Gameplay - Blueprint Compiler - Oct 25, 2021

From reporting UDN: "We had a weird issue with new components added in C++ not being instanced properly on non-direct Blueprint children. It seems to happen if loading of the parent BP is deferred ...

r.VolumetricRenderTarget.PreferAsyncCompute producing different visuals

UE - Graphics Features - Aug 2, 2024

When the cvar "r.VolumetricRenderTarget.PreferAsyncCompute" is enabled, it will cause Volumetric Clouds to ignore the influence of Volumetric Fog. In high-fog environments, this can cause the clouds ...

OFPA Localizable Text Instances are not gathered when world partitioning is disabled

UE - World Creation - Worldbuilding Tools - OFPA - Mar 7, 2025

Context One File Per Actor (OFPA) reduces overlap between users by saving data for instances of Actors in external files, removing the need to save the main Level file when making changes to its Act ...

Unable to save project due to user created blueprint node that creates user created object

UE - Gameplay - Blueprint - Apr 28, 2015

When a user creates a blueprint node of their own that is used to spawn a user created object, the project becomes unable to be saved after the blueprint is put into use. ...