Unreal Engine Issues

Alpha Channel Created when 'Accumulator Includes Alpha' is Disabled in MRQ

Occurs 3/3 times Alpha Channel Created when 'Accumulator Includes Alpha' is Disabled in MRQ issue discovered in LiveQA, and appears related to FORT-451157 Note: Whether 'Accumulator Includes Alpha ...

Network Prediction crash when smoothing service instance data is reallocated out from under FNetworkPredictionStateView

Received a report from a licensee using Network Prediction Plugin and Mover.  There is a strong likelihood of a crash occurring when using NPP's smoothing option and spawning new NPP-simulating ins ...

Show progress/cancel button during lengthy destruction fracture

When the 'Fracture' button is clicked on a Destructible Mesh made from SM_MatPreviewMesh_02, the editor immediately freezes and stops responding. ...

Analog Input does not work for network clients (AddMovementInput scale values other than 0 and 1 do not replicate for clients)

If a value other than 0 or 1 (Ex. 0.1) is put into the 'Scale Value' parameter for the Add Movement Input node, any clients will respond as if the value is 1. User claims this worked in 4.6. ...

Client Animation is not updated on Server with "Replicate Movement" disabled

Client Animation is not updated on Server with "Replicate Movement" disabled See Additional Info URL because the user appears to have done some debugging on this. ...

Niagara Memory Leak in vertex buffer when increasing particle spawn rate on CPU sims

Increasing the spawn rate of a CPU particle sim will cause a memory leak in the vertex buffer.  ...

OnAudioPlacebackPercentage PlaybackPercentage (float) doesn't take into account "Start Time" from Play or FadeIn nodes

PlaybackPercent on the OnAudioPlaybackPercent event does not account for Start Offset from the Play or FadeIn node. Reported and tested in version 4.25.3 (CL-13942748) and version 4.24.3 (CL-115903 ...

Custom Playback Range does not work for the Movie Render Queue in Shipping Builds

Install daydream app message does not always pop up if the user cancels the pop up a couple times

Install daydream app message does not always pop up if the user cancels the pop up a couple times ...

Possessing and Unpossessing a Pawn when using NetCulling causes the Client to lock up

In this test bench, they are using a APawn with a custom replicated Movement Component rather than using a ACharacter and they are getting a different result that ends up in a permanent softlock of ...