Optional options paramater for every public method. It used to override global options per call.
Durations settings for each toast separately. It's available under options.durations property.
Minimum durations settings for each async element. It's available under options.minDurations property.
New default function which formats errors. It's available under options.formatError property.
Now all messages passed to alert() method will be formatted by options.formatError.
All toasts and popups methods, now return HTMLElement which was created by them.
New default messages. It's available under options.messages
Enhanced design for toasts and popups.
Brand new handsome and detailed documentation.
New JS bundle for modern browsers.
_addToast method
_addPopup method
_afterAsync method
_responseHandler method, which is specific for _afterAsync
container getter
Webpack compress bundles to gzip format

New library gzipped sizes: 4kb - default bundle, 3kb - modern bundle.
Now icons are use Font Awesome 5 by default.
html parameter of all elements, now named message. It's no longer mandatory.
options.modal.okLabel to options.labels.confirmOk
options.modal.okLabel to options.labels.confirmCancel
options.modal.okLabel to options.labels.confirmCancel
options.asyncBlockMinDuration to options.minDurations["async-block"]
options.duration to options.durations.global
options.handleReject to options.formatError
Internal name of Modal class changed to Popup
Change browserlist setting for default bundle
Rename defaults.js file to options.js
Rename modal.js file to popup.js