Unreal Engine Issues

Some post-processing passes sample outside of the viewport when using scene capture components

It looks like the SSAO shader does not clamp its sample space to the half view size for the two inputs "Ambient Occlusion" and "AmbientOcclusionSetup", leading to invalid data entering the edge of f ...

Light Function and World Position in 5.4

When rendering a Light Function into the Translucency Lighting Volume, the World Position Material Expression returns the position relative to the Camera (unrotated), not the World. This can be mor ...

BP class variables aren't created for component templates not loaded in an uncooked server build due to component class NeedsLoadForServer() API override.

See UDN thread for details. Essentially we need to ensure that class variables are created for SCS components even if the template isn't loaded as a result of a NeedsLoadForServer() API override. O ...

bIgnoreAllPressedKeysUntilRelease behaves differently for triggers in EnhancedInputAction and triggers in InputMappingContext

For actions that are triggered on the Input mapping context, simply adding or removing an InputMappingContext with no related key override with the bIgnoreAllPressedKeysUntilRelease option will caus ...

Crash when importing Alembic files as Skeletal Mesh

Crash when setting force feedback while SteamController plugin is enabled

Crash when trying to move in the VR editor when using the vive controllers ...

Procedural Mesh Component 'Create StaticMesh' Function corrupts mesh tangents

After clicking 'Create StaticMesh' button on an Procedural Mesh Component, and saving the mesh, the created mesh has bad tangents. Included in the attachments, is a test project with a parallax mate ...

Adding a Material Parameter track sets Parameter to Master Material defaults

In Sequencer, adding a Material Parameter track sets Parameter to Master Material defaults ...

Movement corrections occurring while standing still on rotating platforms

When the player is controlling a Character actor, using the CharacterMovementComponent (CMC), unexpected movement corrections will occur while standing still on a movement base that is rotating. ...

[CrashReport] UE4Editor_CoreUObject!UObjectBaseUtility::GetOutermost() [uobjectbaseutility.cpp:118]

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Access violation - code c0000005 (first/second chance not available) Source C ...