Failure to add key and potential crash when adding keyframe to sequence through details panel

UE - Anim - Sequencer - Jan 21, 2021

There is the potential for a crash when adding a key through the details panel. In cases where there is no crash the key is not added.  ...

UMovieSceneUserImportFBXSettings is not a blueprint type.

UE - Anim - Sequencer - Jan 20, 2021

This class is needed for FBX importing through blueprints. It needs the BlueprintType class specifier. ...

Editor will crash on attempt to load a previously-saved Blueprint asset with a serialized default subobject containing a serialized static array of two or more nested subobject instances.

A crash will result if a Blueprint class that's based on a native C++ class containing two or more nested, explicitly-instanced subobjects referenced by a fixed-size object array property are serial ...

Enabling ChaosCaching plugin results in packaged game no longer opening

UE - Simulation - Physics - Destruction - Jan 19, 2021

ChaosCaching plugin appears to break packaged games. No warnings/errors reported in the log or when attempting to open the produced .exe. My task manager does not show the game process running at al ...

UnrealEditor hangs at 96% when launched on Linux

UE - Platform - Linux - Jan 14, 2021

Unshelving the CL's mentioned in the repro steps causes Unreal Editor to stall when loading up on Linux. Issue still occurs when the unshelved CL files are reverted. ...

UMG Animations on existing widgets break when loading new level

UE - Editor - UI Systems - Jan 14, 2021

Marking as a regression as this does not occur in 4.25.4 User description: I want to have UMG UI that persists for the lifetime of the game so I create my root widget and add it to the viewport fr ...

Anim Notifies and Curves are removed when saving Linked Animation Sequences through Sequencer

UE - Anim - Sequencer - Jan 12, 2021

Found from AnswerHub: https://answers.unrealengine.com/questions/1005466/view.html ...

Ensure playing a sequence that has an event trigger that calls SetPlaybackPosition

UE - Anim - Sequencer - Jan 12, 2021

https://answers.unrealengine.com/questions/1003504/loadsequence-and-where-is-setplaybackposition.html ...

Setting Texture Object within Niagara fails to update texture

UE - Niagara - Jan 11, 2021

Based off of a saleforce ticket, it seems that reinitializing a niagara system with an updated texture, the texture does not update. The setup works correctly in 4.25, so marking as a regression. ...