• The new method Matreshka.Array#restore
• Some binders from Matreshka.binders are renamed (old ones still work).
  • innerHTML -> html
  • innerText -> text
  • property -> prop
  • attribute -> attr
• html и text binders have become two-way data binders when "contenteditable" attribute is used.
• New event names: "removeevent" and "removeevent:NAME" which are fired when some event is removed.
• Matreshka.Array#itemRenderer allows to use invalid HTML string. If invalid HTML string is passed then it's wrapped with span tag.
• Balalaika allows to use any objects, not only DOM nodes.
• Some changes for contributors (allow to use SystemJS to include source code).

• Added virtual property Matreshka.Array#trackBy.
• Bug fix in Matreshka.to.
• Custom selectors didn't work correctly with deep binding.

• Improved performance for custom selector engine
• Restored missing MK#parseBindings method

• Use oMatchesSelector for Opera Mini in Balalaika. This simple change allows to use Matreshka in every old browser that has Object.defineProperty support. All tests are passed.

• Easier Internet Explorer 8 detection: use documentMode only instead of useragent.
• Improved performance for parseBindings and fixed bug for old webkits
• Deep links via linkProps

• Minor performance improvements for off method.
• Fixed bug in setClasFor in Internet Explorer 8
• Restored missing innerText binder

• Fixed some bugs in IE8.
• Minor performance improvements for on method.
• Removed some pseudo-private methods

New methods and properties

• Static methods which work with any kind of object (the full list is there).
• Properties Matreshka#nodes and Matreshka#$nodes.
• Method Matreshka#setClassFor.
• Static method Matreshka.to.
• Static method Matreshka.trim.
• Static method Matreshka.toArray.
• Simple template engine Matreshka#parseBindings.
• The new binders
  • progress
  • innerText
  • style
  • dataset
  • file
• Static methods Matreshka.Array.of and Matreshka.Array.from.
• The new virtual method Matreshka.Array#onItemRender and its alternative onRender for its items.

API improvements

• "Deep binding" which allows to bind a node to a property inside of nested object.

this.bindNode('a.b.c.d', '.my-node');

• Changed delegated events syntax and implemented backward compability.

this.on('a.b.*.*.e@someevent', f);

• Additional syntax for Matreshka#bindNode.

this.bindNode({
    x: '.my-x-node',
    y: ['.my-y-node', MK.binders.className()],
    z: ['.my-z-node', {
        setValue: function(v) {...}
    }]
})

• New variations for methods Matreshka#on, Matreshka#once, Matreshka#onDebounce, which allow to pass eventname-handler object.
• Improved error reporting for Matreshka#bindNode.
• getValue for older binders (implementing two-way data binding).
  • innerHTML
  • className
  • property
  • attribute
• forceRerender flag for Matreshka.Array#rerender.
• Matreshka.Array can render any kind of object including native ones.
• Turning on template system for Matreshka.Array#renderer by default.
• Nested DOM tree creation using $b.create.
• Return this from all contstructors for nice chained calls using ECMAScript 2015.

class X extends Matreshka.Array {
    constructor(data) {
        super(...data).bindNode(/*...*/);
    }
}

New event names

• beforechange and beforechange:KEY, called before property is changed
• addevent and addevent:NAME called on every event add.

Fixes

• Matreshka.Object#jset doesn't throw error if null is passed.
• Fied bug in Matreshka#linkProps which threw error in some specific cases.
• Fied bug in Matreshka.#set: forceHTML flag didn't work correctly
• Fixed bug in Matreshka.Array#concat.
• Fixed bug in array renderer for old WebKit-based browsers
• Fixed bug in MacOS for Matreshka#mediate.
• Render arrays even if silent: true is passed to modifying method.
• Other fixes.

Other news

• Objects used by Matreshka have a property Symbol(matreshka) instead of __events, __special and __id.
• Added unit tests (145 tests for now).
• Splitted up the source.
• Huge performance improvements. In some cases the performance increased 40 (!) times.
• MatreshkaMagic MatreshkaMagic.

• Fixed bug "RangeError: Maximum call stack size exceeded." when using Matreshka#mediate on Safari browser.

• Fixed AMD bug in minified version