Game does not have focus at launch

Tools - Mar 31, 2015

When running a game in PIE, standalone, or package the game does not gain initial focus. User must click inside the game window to enable input. ...

SetTextureParameterValue stopped working with Dynamic Material Instances (from Blueprints)

UE - Graphics Features - Mar 28, 2016

Textures in Post Process Blueprints do not update with Dynamic Material Instances. Scalar and Vector Parameters update as expected, but Textures do not. Note This was attempted with both a materi ...

GitHub promoted branch crash on Mac when trying to PIE

UE - Platform - Apple - Mar 17, 2015

Attempting to play in editor will cause the editor to crash immediately. ...

Actor appears hidden in editor viewport until moved to different sublevel

UE - Gameplay - Mar 9, 2016

User's blueprints disappear from level during editing with no warnings, errors, messages, or additional information. They return to visible if they are moved into a new sublevel and appear during PI ...

Hot Reload changes actor focus from a component to its root

Tools - Mar 10, 2015

When a hot reload occurs in the editor, if the component of a placed actor is selected then focus will switch from the component to the actor's root. This can be confusing when the root is a code c ...

Adjusting properties of a Blueprint instance's components in the level does not update references to the properties in the BP's Construction Script

UE - Gameplay - Components - Oct 6, 2015

Adjusting properties of a Blueprint instance's components in the level does not update references to the properties in the BP's Construction Script. Note: this would work in 4.8.3. Reproduced in 4. ...

Extending Montage Segment length causes length to reset to default in new Editor Session

OLD - Anim - Jan 4, 2016

Licensee is encountering an issue where they would like a segment of a montage to end and hold the last frame for the remainder of the segment length. He is doing this by adjusting the End Time und ...

Setting Layer Partitioning or Region Chunk Splits to ChunkyMonotone causes hitching in navigation

UE - AI - Feb 23, 2016

Setting Layer Partitioning or Region Chunk Splits to ChunkyMonotone causes hitching in movement and navigation. The player will get caught on level geometry and temporarily halt or jitter in movemen ...

Vehicle Template Gears incorrectly affect gear shift speed

UE - Gameplay - Feb 8, 2016

Changing the Up Ratio of a vehicle movement component incorrectly alters gear shifting. For example, setting the ratio for Gear 3 to 1.0 will keep the vehicle from shifting to gear 2, etc. ...

Math Expression Node produces error if it calls a variable located within a hidden variable category

UE - Gameplay - Blueprint - Jan 29, 2016

The math expression node in blueprints does not recognize variables that have been hidden within a blueprint category. ...