History

1.12.0

fix adjust: yiminghe#53

1.11.0

add alwaysByViewport option

1.9.0

support shadow dom

1.7.0

support alignPoint yiminghe#34 (comment)

1.5.0

support useCssTransform

1.4.0

only flip if it's visible

1.1.0

support targetOffset
offset/targetOffset support percentage value