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Thread: Migrating extjs 2.3.0 to 4.x

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    Default Migrating extjs 2.3.0 to 4.x

    We have developed our programs with ExtJs 2.3.0 and now we want to migrate to ExtJs 4.x but we haven't find out any document or information about this. Can any one help about this subject ?

    Thanks.

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    Sencha User mitchellsimoens's Avatar
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    It's a very loaded subject. Ext JS 2 and 3 weren't tremendously different so the compat layer may work but if you have the time it's often better for an application to start fresh with Ext JS 4 best practices.
    Mitchell Simoens @LikelyMitch
    Modus Create, Senior Frontend Engineer
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    Need any sort of Ext JS help? Modus Create is here to help!

    Check out my GitHub:
    https://github.com/mitchellsimoens

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