Unreal Engine Issues

Sub Anim Instances don't properly account for Blend Weight when firing notifies.

Material Parameters aren't unique if the Material Function has been duplicated

Material Parameters aren't unique if the Material Functions has been duplicated, When the parameters are enabled in a Material Instance, one will be disabled on Material Instance close. This is a r ...

When change sequence struct parameter, the editor crash.

when change sequence struct param, the editor is carash. It occurs in the case of using "Sound Wave", but the same problem occurs when "Sound Cue" is used. Attach application log, and crash dump fil ...

Desktop Editor does not transition into VR Mode when Oculus HMD is worn while 'Enable VR Mode Auto-Entry'=True

Desktop Editor does not transition into VR Mode when the Oculus HMD is worn. The user must manually enter VR Mode using Toolbar buttons / keyboard shortcuts. This issue is only observed when on Ocul ...

QABP_Containers is dirtied when opened

REGRESSION: Yes, does not occur in 4.16.3 In QAGame, the blueprint QABP_Containers is dirtied (needs to be compiled and saved) when the user opens it. This occurs every time the editor is restarte ...

Crash in FMediaPlayerBase::TickPlayer in Shipping builds

A crash can occur in FMediaPlayerBase::TickPlayer in Shipping builds. This is because FMediaPlayerBase::NativePlayer is not a thread-safe shared pointer. The fix is to make it ESPMode::ThreadSafe. ...

Copy/pasting component results in broken duplicate component (named _GEN_VARIABLE)

REGRESSION: Yes. Does not occur in 4.16.3 Using Copy/Paste to duplicate a component will result in a broken duplicate component. This doesn't occur if the user uses Ctrl+W to duplicate. On compi ...

Removing the only linked pin on a Make Array/Set node does not revert the remaining pins to Wildcard

When the user removes the only linked pin on a Make Array or Make Set node, the remaining pins do not return back to being Wildcard pins, unless the user refreshes the node. ...

Renaming a Sequencer spawnable actor in the World Outliner will revert on save

Renaming a Sequencer spawnable actor in the World Outliner will revert back to the old name on save. Not a regression because Sequencer spawnable actors in 4.16 didn't show in the World Outliner. ...

[CrashReport] Linux crash - /usr/lib/nvidia-375/libGLX_nvidia.so.0()

This is a common Linux crash that has occurred since at least 4.14. From LogLogEditorViewport: Clicking on Actor (LMB): StaticMeshActor (pared_cubos15) LogRHI: Timed out while waiting for GPU to ...