NavModifierComponent doesn't work well with dynamic owner actors

UE - AI - Mar 12, 2015

When a raw NavModifierComponent gets added to a character it cuts a hole in the navmesh (as expected) but doesn't update the location with character's movement. And it should. ...

Differences in Post Process FX between Minimized and Maximized Viewport

UE - Graphics Features - Apr 19, 2016

When scaling the viewport window using the Maximize/Minimize viewport option, the post processing effects applied to the screen do not scale properly. This issue seemed trivial at first, as the use ...

Copying a Blueprint with existing component causes hit events to be triggered in original BP also

UE - Gameplay - Blueprint - Jan 5, 2016

If you have a Blueprint with a pre-existing component, then add that to a map, and copy it, OnHit events in the COPY will also trigger in the ORIGINAL. According to the licensee, this happens with ...

Dynamically Created Hierarchical Instanced Static Mesh Component Reset with Wind Directional Source

UE - Gameplay - Components - May 6, 2015

A HISMC (Hierarchical Instanced Static Mesh Component) created dynamically through blueprints has its simulation reset by the Wind Directional Source. "The HISMC needs to get spawned from an Actor ...

Actors not marked as Always Relevant do not replicate to Clients that have possessed a vehicle past 15,000 units of the point of possession

UE - Networking - Oct 20, 2015

Actors not marked as Always Relevant do not replicate to Clients that have possessed a vehicle past 15,000 units (the sq root of Net Cull Distance Squared) of the point of possession. Note that repl ...

UMG Size to Content issue

UE - Editor - UI Systems - Jan 20, 2016

TextBox(Multi-line) or EditableText(multi-line) in UMG blinks when it meets certain condition in editor. The condition is Both Size to content option for TextBox(Multi-line) or EditableText(multi-l ...

Auto-Key All and Auto-Key Animated don't work as expected

UE - Anim - Sequencer - Jul 12, 2016

Auto-Key All and Auto-Key Animated don't work as expected. Might consider having a third option that Auto-Keys only the modified property. ...

Transition Notifies Available for Selection in Character Blueprint

OLD - Anim - Sep 21, 2015

Transition Notifies are available for selection in Event Graph of the Character Blueprint even though, apparently, they only function in the Event Graph of the AnimBlueprint. ...

'Can Jump' functions differently in 4.13

UE - Gameplay - Sep 2, 2016

'Can Jump' functions differently in 4.13 User Description: "Can Jump" doesn't update in an appropriate manner in 4.13. In 4.12 it would return true while grounded, false while in the air, and the ...

Painted Vertex Colors not Passing Color when used with Emissive for Static Lighting Setting

UE - Graphics Features - May 24, 2016

When painting Vertex Colors on a mesh, and enabling the 'Emissive for Static Lighting' option, the painted colors are not passed to surfaces receiving the emissive static lighting. The regular emis ...