Pasting variable nodes into a BP without those variables, should add them to the BP on paste.

UE - Gameplay - Blueprint - Jun 1, 2015

If nodes are copy/pasted from a project in 4.7 to a project in 4.8, various nodes will not copy over and must be remade in the 4.8 blueprint. ...

Timer significantly lowers FPS as compared to tick running the same function

UE - Gameplay - May 1, 2015

Timers set to a low time setting, but that are not set lower than tick, have a significant impact on FPS as compared to tick when updated a large number of objects at the same time. ...

Open Level opens previous level in Launch mode

Open Level does not properly work in Launch Game. Instead of streaming the intended level, it streams the previous level. ...

Character BP yaw rotates at different speeds when played in Standalone vs. Selected Viewport

UE - Gameplay - Mar 12, 2015

When you have a character in a level and if you setup the blueprint of the character as shown below, the rotation of the character will differ when played Standalone vs Selected Viewport. Photo of ...

Zooming with mouse wheel causes camera to jerk if zooming while the camera sets in a function

UE - Gameplay - Blueprint - Jul 31, 2015

If a collapsed or new function is opened and the mouse wheel scrolled to zoom the viewport camera in or out while setting in the new function, it will continuously jerk back to the original position ...

Player Capsule angular velocity can launch a player when stepping on/off a physics simulated object

UE - Simulation - Physics - Destruction - Mar 24, 2015

Occasionally the player capsule can be launched due to bImpartBaseAngularVelocity being enabled in the CharacterMovementComponent. Disabling this does not result in the character capsule being launc ...

Possessing a vehicle results in unexpected physics behavior

UE - Simulation - Physics - Oct 8, 2015

When possessing a vehicle, if you are standing on top of it with a character, once you begin to drive away, the vehicle will begin to be drawn back towards the character as if it is attached somehow ...

Blueprint's location reset to 0, 0, 0 after being detached in a network environment

UE - Networking - Apr 24, 2017

Attaching / Detaching a blueprint actor to a player in a network environment causes location errors when the detach occurs. Even without the attach events being replicated or the blueprint's movemen ...

Set tracking origin has a 90 degree offset between Floor and Eye level

UE - Platform - XR - Jun 15, 2017

Set tracking origin has a 90 degree offset between Floor and Eye level. When switching the Setting for the Set Tracking Origin Node from Floor level to Eye level, there appears to be a 90 degree dif ...

Cannot use code class if it is placed in a folder named "Device"

UE - Foundation - Core - Apr 24, 2018

C++ classes that are located within a folder named "Device" cannot be seen or used within the Editor. The classes cannot be found within the Content Browser, and they cannot be used to create Bluepr ...