1.3 release announcement

Author: Daniel15

site/jekyll/_posts/2014-11-22-1.2.0-release.md

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-title: "ReactJS.NET 1.2.0"
+title: "ReactJS.NET 1.2"
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 author: Daniel Lo Nigro
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-I'm happy to announce the release of ReactJS.NET 1.2.0! This is a minor release and includes a number of changes and fixes since version 1.1.3:
+I'm happy to announce the release of ReactJS.NET 1.2! This is a minor release and includes a number of changes and fixes since version 1.1.3:
 
  * Basic source map support. Source maps will now be available when accessing .jsx files directly. It's not supported for combined/minified files at the moment since none of the common .NET minifiers support source maps. ([#8](https://github.com/reactjs/React.NET/issues/8))
  * React version upgraded from 0.12.0 to 0.12.1.

site/jekyll/_posts/2014-11-30-1.3.0-release.md

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+title: "ReactJS.NET 1.3 - Faster server-side rendering and Flow"
+layout: post
+author: Daniel Lo Nigro
+---
+
+Hot on the heels of ReactJS.NET 1.2, I'm happy to announce the release of ReactJS.NET 1.3! This release significantly improves the performance of server-side rendering by pooling and reusing JavaScript engines rather than creating a new one on every request. Pooling of JavaScript engines is turned on by default but it can be disabled in your site's configuration (usually `ReactConfig.cs`) to revert back to the classic behaviour. This is still experimental, so please let me know if it works well for you!
+
+This release also adds support for stripping out [Flow](http://flowtype.org/) type annotations from your code. Flow is a new open-source static type checker for JavaScript, recently released by Facebook. It adds static typing to JavaScript to improve developer productivity and code quality. You can learn more about Flow in [its release announcement](https://code.facebook.com/posts/1505962329687926/flow-a-new-static-type-checker-for-javascript/). Support for Flow is disabled by default but can be enabled in your site's configuration.
+
+Other changes:
+
+ * [Harmony (ES6)](/guides/es6.html) transformations are enabled by default. They can be disabled in your site's configuration.
+ * The Cassette integration now transforms all files in the bundle, not just `*.jsx` files. ([#52](https://github.com/reactjs/React.NET/issues/52))
+
+Have fun, and as always, please feel free to send feedback or bug reports
+[on GitHub](https://github.com/reactjs/React.NET).
+
+— Daniel