Unreal Engine Issues

Editor will freeze if anim composite has an animation with a notify and length of 0

An anim composite will freeze the editor if one of its animation segments has a a notify and a length of 0 or less. Debugging shows that the engine is stuck inside UAnimSequenceBase::GetAnimNotifies ...

Cable Actor resets to initial end point position when moving the actor while Attach End is disabled

This is a regression. Tested in //UE5/Release-5.1 CL23901901 Additionally, I placed the cable actor in a sequencer then keyed several changes in position. The Cable actor had the same behavior of r ...

Dragging & Dropping Asset from Content Browser -> Blueprint Node has wrong Drag/Drop Icon

This appears to be an issue with all asset types, not specific to materials. Data Tables, Level Sequences, etc. Image shows the "No" cursor that shows up when attempting the drag/drop. This should ...

Exporting a spawnable through Python doesn't work

Animations reset when properties are edited in the details panel and auto-key is turned off

When adjusting properties from the details panel, if auto-key is off, animations will reset. In related cases, components can lose their binding, and their properties will turn red. It may be that t ...

Static Meshes Disappear with Media Player Asset Applied as Material in Standalone or Packaged Game

Static Meshes with a Media Texture applied will disappear when played in Standalone or in a Packaged Game. Regression? Yes, this is not the same behavior in the 4.11 version of the engine. Note I ...

Animation timeline shows black when only animating the opacity of a widget (regardless of the the color setting in that widget)

This is something that needs to be solved at the color track level in sequencer, we need to be showing current values in place of 0,0,0 for the things that are not animated. When animating just the ...

Water not rendering in Movie Render Queue

It appears that MRQ does not actually add the pass that updates the Water Info Texture in the WaterZone actor. If the Skylight is set to "SLS Captured Scene" and does not capture every frame, then t ...

When open the persona editor only the first time, the OnAnimChanged event is called with the argument none asset

OnAnimChanged did not seem to work correctly only the first time when opening the anim sequence and a PreviewScene was created. The OnAnimChanged event is supposed to notify which anim was changed, ...

Editor Crashes when copy/pasting an emitter in the Niagara timeline

When creating the emitter's track widget we search for the stack view model's root entry, but the stack view model pointer is null, so we crash.  ...