React v0.4.1

By Paul O’Shannessy·August 26, 2013

React v0.4.1 is a small update, mostly containing correctness fixes. Some code has been restructured internally but those changes do not impact any of our public APIs.

React

• setState callbacks are now executed in the scope of your component.
• click events now work on Mobile Safari.
• Prevent a potential error in event handling if Object.prototype is extended.
• Don’t set DOM attributes to the string "undefined" on update when previously defined.
• Improved support for <iframe> attributes.
• Added checksums to detect and correct cases where server-side rendering markup mismatches what React expects client-side.

JSXTransformer

• Improved environment detection so it can be run in a non-browser environment.

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