Unreal Engine Issues

Video files do not play in scene after LaunchOn to iOS from Windows

While attempting LaunchOn to an iOS device, the video and audio does not play. Attempts were made using the following video formats:mp4movavi Attempts were made using the following devices:iPhone 5 ...

Engine/Extras/MayaLiveLink not provided in install directory

According to the Maya Live Link documentation, the zip file should be provided in the engine installation. https://docs.unrealengine.com/en-us/Engine/Animation/Live-Link-Plugin/Connecting-Unreal-Eng ...

Instanced MovieSceneEventParameters does not save updated values upon level load

Any instanced Actor with a public MovieSceneEventParameter struct doesn't retain any altered values on level load. Found in 4.22 CL#7053642 Reproduced in 4.21 CL#4753647 , 4.24 Main CL#7173985 ...

Deleting MPC referenced in material layer cause editor crash.

[MetaSounds][Inputs] - When multiple copies of an input node are on the graph, all connections reconnect to one node when an input is renamed

If there are multiple copies of an input on the graph, when it is renamed, all the connections are broken and rerouted to a single node, orphaning the rest on the graph. I believe this may be a dupl ...

Debug information is sometimes missing when compiling with cl-clang

Via UDN: As has been discussed previously here and in CL 20055361, debug information is sometimes missing when compiling with Clang. We've pinpointed this to debug information not being emitted fo ...

(BUG) Sequencer Root motion breaks down when using SwapRootWithActor, translation track and transform origin actor

When "Sequencer.ThreadedEvaluation.AllocationThreshold 8" is initiated, characters in a level sequence that have “Swap Root Bone Actor” activated on their animation will begin to slide very fast acr ...

PCG crash when using Attribute Remove Duplicates on partitioned data if one of those sets of data is empty

Context: In PCG, the Attribute Remove Duplicates node can be used to remove duplicate attributes from an array. Problem: The licensee has observed that using the Attribute Remove Duplicates node ...

Crash When Material is Set to Deferred Decal with Emissive Decal Blend Mode and Forward Shading Enabled

When Forward Shading is enabled, if you create a material with their properties setup with the following:   Material Domain: Deferred Decal - Blend Mode: Translucent - Decal Blend Mode: Emissive T ...

Crash in persona editor when set postprocess animinstance using Linked Layer Anim to skeletal mesh

Crash when set PostProcessAnimBlueprint in persona editor. Related to [Link Removed] Closed , [Link Re ...