com.unity.cinemachine 3.1.1 Package Notes

New Rotation Control behaviour SplineDollyLookAtTargets lets you specify LookAt points at desird positions along a Spline Dolly trajectory.
Added Recenter Target setting to CinemachinePanTilt.

Bugfix: InputAxis.TriggerRecentering() function caused the axis to immediately snap to its recenter value.
Bugfix: When multiple CM Brains were present, FixedUpdte cameras were sometimes being updated too frequently, resulting in jittery motion.
Regression fix: StateDrivenCamera inspector was failing to correctly set the states in the instruction list.
Bugfix: Decollider ignored terrain layers when resolving obstacles.
Bugfix: The GroupAverage Rotation Mode in CinemachineTargetGroup was not calculated properly.
Bugfix: added missing null check in CinemachineTargetGroup.WeightedMemberBoundsForValidMember.
Bugfix: added missing null check in CinemachineDeoccluder.PushCameraBack().
Bugfix: Cinemachine did not work properly with scaled splines.

CinemachineGroupFraming now has a compatibility mode so that it can work with CinemachineConfiner2D out of the box.
Removed FadeOutNearbyObjects sample scene and shader, because they do not show anythng useful.
SimplePlayerController no longer uses PlayerController.isGrounded because it's not reliable outside of FixedUpdate.