v1.3.1

• Emulate click (single tap) and double click (double tap) in touch devices to support backdrop and image zooming (#210).
• Ignore pointer events when not the primary button was pressed (#221).

v1.3.0

• Add a new option: className (#209).
• Fix wrong click action when the target image is ignored by the filter option (#211)

v1.2.1

• Improve viewer instance storage to avoid side effect.
• Fix parameter error of Object.assign in iOS devices.

v1.2.0

• Add 2 new options: toggleOnDblclick (#173) and initialViewIndex (#183).
• Enhance the title option to support to customize title content (#54, #185).

v1.1.0

• Add 2 new events: zoom and zoomed (#144).
• Make the touch zooming more smoother (#162).

v1.0.1

• Add namespace to data attribute names (from data-* to data-viewer-*) to avoid side effect.
• Make sure the image data is a non-null object to avoid unexpected errors.
• Fix broken zoom feature in iOS browsers (#167).

v1.0.0

• Add in browser checking to support to import in Node.js.
• Cancel update when there are no images when call the update method.

v1.0.0-rc.1

• Fix the wrong image switching behavior in iOS browsers.
• Fix a TypeError in strict mode (#149).
• Fix type definitions issue of the show and hide methods.

v1.0.0-rc

• Add a new option: loading.
• Add type definitions file for TypeScript.
• Enhance the show, hide and play methods.
• Change the default value of loop option from false to true.

v1.0.0-beta.2

• Add a new option: container.
• Recover the missing default value of the interval option (#133).