Unreal Engine Issues

Inherited AnimBP properties not always working across editor restarts

In 4.11 when making changes to node properties in an animation blueprint they will not always appear to update in child blueprint instances when restarting the editor. In the attached project the l ...

"Enable Texture Streaming" in Render Movie Settings doesn't seem to work

"Enable Texture Streaming" in Render Movie Settings doesn't Enable/Disable Texture Streaming ...

Path Tracing denoiser is not stable in animation

When rendering an animation with the path tracer through MovieRenderQueue, at low sampling rates the denoiser produces splotchy results that flicker from frame to frame. The current denoiser (Ope ...

Auto Exposure Compensation Curve issue when switching from Manual to Histogram

When switching the Camera's Exposure Metering Mode from Manual toHistogram, the exposure level resets and takes time to settle. The Licensee has a proposed code change that would fix this issue. Als ...

MoviePipeline skipped frames using Temporal Subsampling + Time Dilation

The frame appears to be getting skipped entirely, but the timing for the frames on either side of them is correct, ie: if frame 10 is skipped, frame 9 and 11 still match the working case, so the ove ...

Reset of bone proxy in anim editors detail panels doesn't re-enable live update of tranforms

The bone proxy details customization for the animation editors doesn't currently reset modifications correctly.  When a transform channel is modified and then reset, the bone proxy doesn't start liv ...

Snap Sections to Timeline using Source Timecode is in tick resolution

Niagara Sim Cache result from 3D Gas is blocky in Windows packaged game

Summary: Cached 3DGas Niagara system appears blocky in packaged game. Brought up by a licensee via UDN: https://udn.unrealengine.com/s/question/0D5QP00000a17A40AI/niagara-fluids-simcache-artefacts- ...

Delay Before Shot Warm Up introduces hitches

setting a Delay Before Shot Warm Up can introduce hitches when rendering out a series of frames. ...

Notifies near start of animation do not trigger when played through slots

Notifies near the start of an animation do not trigger when played through slots with either the PlaySlotAnimationAsDynamicMontage or with a Montage. There could be other instances of this, but the ...