Unreal Engine Issues

New 'UncookedOnly' modules can incorrectly be included as a build dependency after nativization of a Blueprint asset

The new 'UncookedOnly' module type that was added in 4.24 is not visible to Blueprint nativization, and thus it does not know to exclude these module types from the generated Build.cs file when they ...

Error when zooming out in orthographic view in 5.4

In 5.4: zooming out far with the mouse wheel after setting the editor viewport to orthgraphic view triggers an ensure: ensure(InOrthoZoom >= MIN_ORTHOZOOM && InOrthoZoom <= MAX_ORTHOZOOM); Th ...

UMG SetAnimationCurrentTime no longer works

Convert Transform to Relative node could use more information

It appears that "Convert Transform to Relative" can be confusing. Users are saying that they expect the nodes to be swapped in what they think their function would be. One person as suggested that a ...

Memory leak on Mac when Credits window is open

The editor is running out of memory on Mac when the Credits window is left open. ...

Crash when hiding DataTable window and saving in DataTable Editor

When adding rows to a DataTable that has its DataTable tab hidden or exited out, the Editor will crash when adding a row to the DataTable. This crash happens in 4.17, 4.18, and 4.19. ...

Tools>Debug>Modules button may not appear

This is due to Plugin loading order. If the EditorDebugTool plugin is loaded before *SourceCodeAccess( in exsample : VisualStudioSourceCodeAccess ) plugin is loaded, CanShowModulesTab() returns fals ...

AI MoveTo Blueprint node will zero velocity on Pawn when called, causing a freeze if the Pawn is already moving

AI MoveTo Blueprint node will zero velocity, causing a stop when a new destination is set if the Pawn is currently moving. Regression: Yes Worked: 4.12.5 (CL 3039270) Broken: 4.13.1 (CL 3142249) F ...

PostRepNotifies may not always be called

FObjectReplicator::UpdateUnmappedObjects calls  CallRepNotifies, but does not call PostRepNotifies. Further, the order of CallRepNotifies and PostNetReceive in FObjectReplicator::UpdateUnmappedObje ...

Divide by zero in beam update can cause editor to crash in Cascade

The licensee has traced the issue back to a divide by zero in  UParticleModuleTypeDataBeam2::Update. If the Target and Source are the same then the beams magnitude will be zero. When there is a Nois ...