The library for web and native user interfaces.
Blog post for v0.4.1
Paul O’Shannessy committed
Jul 26, 2013 at 15:56 UTC
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+---
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+title: "React v0.4.1"
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+layout: post
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+author: Paul O'Shannessy
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+---
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+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.
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+## React
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+* `setState` callbacks are now executed in the scope of your component.
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+* `click` events now work on Mobile Safari.
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+* Prevent a potential error in event handling if `Object.prototype` is extended.
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+* Don't set DOM attributes to the string `"undefined"` on update when previously defined.
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+* Improved support for `<iframe>` attributes.
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+* Added checksums to detect and correct cases where server-side rendering markup mismatches what React expects client-side.
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+## JSXTransformer
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+* Improved environment detection so it can be run in a non-browser environment.
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+[Download it now!](/react/downloads.html)