v11.27.0

Add cross-source HD road elevation for symbols, so road symbols can align to HD elevation data provided by a separate source.
Add support for animating the map's vertical field of view.
Improve CPU performance when frequently updating layer properties, such as animating paint and layout values.
Improve character rotation for some CJK characters in vertical text mode.

[gestures] Fix map snapping back after a pinch-to-zoom-in gesture.
Fix incorrect placement of Dynamic View Annotations during fast zooming and near tile boundaries when avoid-layers are configured.
Fix skipped draws (missing geometry on some frames) that could occur while zooming or with shadow-casting layers.
Fix character rotation for some CJK characters in vertical text rendering mode.
Fix fling animation moving the camera in the opposite direction of the swipe at low zoom levels.
Fix flickering single-pixel gaps appearing along route lines at elevation feature boundaries as the camera moves.
Fix line-aligned labels (such as angled sea names) drifting while panning during the globe-to-mercator zoom transition.
Fix radial gradients rendering incorrectly when the focal radius is larger than the outer radius.
Fix view annotations not being considered in collision checks against avoid layers, which could result in incorrect placement.
Internal fixes and performance improvements.

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