Unreal Engine Issues

Navigation Mesh ignores Hierarchical Instanced Static Meshes using "Build Paths" or the "Build" Button

Hierarchical Instanced Static Meshes are partially ignored after building the navigation mesh. This is causing the navmesh to be generated within all or part the HISM instead of around it.  This ...

Crash when enabling Level of Detail Coloration viewmodes in the Dataprep editor while using DX12

Crash when enabling Level of Detail Coloration viewmodes in the Dataprep editor while using DX12 This crash does not occur when the project is opened with DX11. Note that the Dataprep editor does ...

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 ...

FGeometryCacheSceneProxy crashes engine when rendering through command prompt

Came across this bug when verifying [Link Removed]. Seems there was a different crash reason. When testing, this bugs seems to happen only half the time while the other half it succeeds without issu ...

Slate Post Buffer does not work correctly when changing Default Back Buffer Pixel Format

PropertySet : changes in instancedstruct are not detected by the watch

Hi, I tried to use for a scriptable tool the watch property node for a struct. The objective for me was to offer to my user a view of a struct in the scriptable tool and have these modifications b ...

UMG Throbber is not showing in project when using 'Set Number of Pieces' node off of Event tick

If you add a throbber to a UMG Blueprint and use the Graph of the Blueprint to change the 'Set Number of Pieces' and use 'Event Tick' to tick the widget, the throbber widget will not appear on scree ...

Error with variable during blueprint compile when selecting and deselecting widget name in UMG

Selecting/deselecting the name of the widget on the UMG Designer will detect bleuprint changes. If compile blueprint at this time, it will output an error "due to old pin". The widget name has not a ...

World Partition: warnings on editor only actors when running the editor in -server/-game mode

The warning for editor-only actors is unnecessary in these modes where they don't exist. ...

Code doesn't work for custom binary projects on Linux

If a binary engine is generated from a source build on Linux, attempting to create a code project / add code to a BP project will fail to compile properly. ...