Currently, we offer a number of Easing presets that can be applied to any keyframe supporting interpolation.

Switching between Easing Presets appears to take effect immediately in most cases; however, applying an Easing Preset of 'None' appears to not apply, and continues to play the previously-selected Easing Preset.

See attached video.

Repro Steps:

1) Open the MiniShowcases Studio Project, and open Interpolation.xaml

2) Navigate to the Animation/Storyboards Panel, and select 'Animation_FlyingKites'.
This will open the Storyboard's timeline at the bottom of the application.

3) Play the Storyboard using the Timeline's 'Play' button.

4) Identify the Element in the Timeline titled 'KiteAndString_Girl_INTERPOLATED', and select its final 'Angle' Property keyframe, found at the 4s mark.
This will open the keyframe's Properties Panel.

5) From the Keyframe's Properties Panel, change the Interpolation Preset from 'BackInOut' to 'BounceInOut'.
Observe how the new interpolation preset immediately applies and can be observed on-Stage through the movement of the red kite.

6) From the Keyframe's Properties Panel, change the Interpolation Preset from 'BounceInOut' to 'None'.
Observe how the red kite animation continues to show a motion that corresponds to a previously-selected interpolation preset, and does not correspond to the straight curve selected via the 'None' option.

7) Save all open documents, and close and re-open Interpolation.xaml
Observe how now, the interpolation displays as expected for a 'None' interpolation.

Expected Results: An interpolation preset of 'None' applies immediately visually on-Stage.