Unreal Engine Issues

Bad references for Lighting Scenarios when moving Levels and Map Build Data Registry to different Folder

When moving Lighting Scenario Levels and their associated Map Build Data Registry to a new folder within the Content Browser, the references within the Levels tab are updated as [MapName_BuiltData]. ...

Key type checking nodes cause the BP to become dirty upon reopening it

All "Key" related BlueprintPure nodes cause the Blueprint to become dirty when the Blueprint is reopened. This includes: Key Get Display Name Key Is Float Axis Key Is Gamepad Key Key Is Keyboard Ke ...

Horde Artifact Browser can produce download URLs greater than 8KB

Using the Horde Artifact browser browse to a folder with a lot of files in a subfolder (for example temporary artifacts that contains Engine/Binaries/Win64, see attached) and use the "Download" butt ...

Blueprint inheritance can cause dangling references to stale UProperties across compiles

A number of places in the code rely on raw UProperty pointers to track properties they care about. This can present issues when BPs inherit from other BPs, because the parent's class may be Purged / ...

[CrashReport] UE4Editor_Landscape!ULandscapeInfo::RegisterActor() [landscape.cpp:1882]

This is a common crash coming out of the 4.17 release. User Descriptionstrying to delete landscape related stuff A similar callstack was seen in an older issue, [Link Removed]. Source Context ...

On static mesh import correctly named materials in project aren't automatically applied

When importing a static mesh into a project with the appropriately named materials in it already they won't apply to the mesh automatically when setting Search Location to All Assets without being i ...

[AI] Updating an HISM instance transform breaks the navmesh on all of the HISM instances.

Navmesh does not generate correctly around HISM instances when one instance has its transform updated. The most noticeable change is that adjusting the scale of an instance's transform will cause th ...

Crash in reinstancing after removing a variable from a component and compiling

Shared collection using SVN as SCC Provider has "!" icon in the content drawer

One of the problems is Editor can not get correct SVN status of collections at launch. The following workaround enables to get the correct status. FCollectionStatusInfo FCollection::GetStatusInfo() ...

Pins using SGraphPinNameList do not handle reset correctly and do not have a "None" entry

From the UDN licensee: I put together a draft PR of something that should work. As I mentioned in the PR, this works as expected with one caveat; in SPinComboBox::Construct we are hardcoding the to ...