Unreal Engine Issues

GeometrycacheActor light channel issue

Clothing tool may generate an unsmooth display mesh on 4.26

This is related to the optimization applied in CL#13181876. Binding simulation mesh to display mesh can't find the nearest triangle when a triangle is located near the AABB boundary. ...

[Sequencer][Audio] - Soloing a nested audio track mutes all tracks

When soloing an audio track in sequencer, all the tracks are muted and nothing in soloed. Attached video shows Mute working correctly followed by Solo not working[Link Removed] Cannot reproduce i ...

Network Emulation outgoing dropped packets on client higher than expected

Under certain network emulation settings, it looks like outgoing packets from the client will be dropped in groups (around 4 or more packets at a time) rather than individually. This leads to the ac ...

PIE crash on infinite loop in a BP construction script

From the [Link Removed]: We had an issue where PIE was being stopped due to an "infinite loop" being detected in one of the blueprints construction script. This was also crashing the editor as the ...

FD3D12BindlessResourceManager::GrowCPUHeap will cause GPU heap activation whether it's needed or not

The ctor of FD3D12BindlessResourceManager implies that GPU heap activation is intended to occur lazily with ERHIBindlessConfiguration::RayTracingShaders, however any call to FD3D12BindlessResourceMa ...

Attempting to override timeline function in child blueprint crashes editor

Attempting to override a timeline within a child blueprint causes the editor to crash. Frequency: 4/4 Crashreporter: [Link Removed] ...

Editor crashes if reopened and a row is selected after moving datatablerow editor window in a csv data table

If a user moves the row editor window in a csv datatable, then saves, closes, and reopens the editor, the editor will crash if the user then attempts to select a datatable row in the csv datatable w ...

Landscape LODDistanceFactor not applied to levels that were not loaded when it is changed

Landscape LODDistanceFactor is not applied to levels that were not loaded when it is changed. Sample content shows a landscape in this state. Other landscape properties probably suffer from this s ...

Date and Time variable does not appear to replicate across clients

The Date and Time variable does not appear to replicate when set to be replicated. If the variable is called on a client the client will not update properly. ...