Unreal Engine Issues

Draw debug will crash visionOS

Substrate SSR reflections are black

Substrate Materials do not use Screen-Space reflections. Instead, they do not have any reflections (indirect specular) on the surface. ...

IME input is ignored when There are some lines in MultiLineEditBox

This problem is reproduced on other widgets using MultiLineEditBox. ex.) description in source control commit log pane, comments in blueprints, etc. ...

Misalignment between meshes used in landscape spline segments

When using a landscape spline with multiple segments, there can be misalignment between spline segments when the tangent length of segments are too short, causing visual seams between meshes that sh ...

UserSceneTexture Post Process Material Renders Incorrectly When ScreenPercentage is Below 100

When using a UserSceneTexture in a post-process material, a visible rendering issue occurs if the viewport's ScreenPercentage is set to below 100. This issue looks like it might stem from an incorre ...

Autokey does not respect min and max limits of control rig animation channel.

When using min or max set values for animation channels in sequencer, the sequencer viewport will show different values than what is capable when using autokey functionality. ...

Modifying FinstancedStruct (Blueprint structs) properties inside another FInstancedStruct triggers an ensure and properties do not get saved.

There is a bug with Blueprint structs having FInstancedStruct as a property. If you modify the DefaultValues of any property of an FInstancedStruct inside the blueprint struct asset, an ensure will ...

Draw Debug String doesn't render text outside of play

When calling the Draw Debug String node outside of play, no text is visible in the viewport. This occurs with Editor Callable functions on placed blueprints as well as from Editor Utility Widgets. ...

Can't get accurate Anim Notify State elapsed duration while in a montage.

When GetCurrentAnimationNotifyStateTimeRatio is used inside of a montage it can return the wrong time ratio in certain cases. ...

Keying Level Sequence Crashes Engine

Repro rate 3/5 Regression to be tested Testing with a fresh level sequence no crash occurs, Tried to do it without rekeying and did not get a crash. I repro'd it a few times and sometimes no crash ...