Over a million developers have joined DZone.

Ext JS 4 Preview

DZone's Guide to

Ext JS 4 Preview

· Web Dev Zone ·
Free Resource

Learn how Crafter’s Git-based content management system is reinventing modern digital experiences. Download this white paper now. 

Ed Spencer presented at Sencha Conference some new ExtJS 4.0 features. He also wrote a blog entry about it.

You can check out the blog entry here: http://www.sencha.com/blog/2010/11/22/ext-js-4-preview-faster-easier-more-stable/

Following is his presentation about Ext JS 4.0:

And his presentation about Ext JS 4 Architecture:


Sencha also published all session presentations. You can check them out here: http://www.sencha.com/conference/sessions/

I am very excited to start playing aroung with ExtJS 4. The release is planned for February 2011. It is going to change how we develop Ext nowadays.

Can’t wait to see it! :)


Crafter CMS is a modern Git-based platform for building innovative websites and content-rich digital experiences. Download this white paper now.


Published at DZone with permission of

Opinions expressed by DZone contributors are their own.

{{ parent.title || parent.header.title}}

{{ parent.tldr }}

{{ parent.urlSource.name }}