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Thread: Is extjs 4.1 backward compatbale with extjs 4.0

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    Default Is extjs 4.1 backward compatbale with extjs 4.0

    I like to move to extjs4 for my architect projects, and just like to understand if architect generated project will get problems.

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    Sencha User Phil.Strong's Avatar
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    Ext JS 4.0 projects built with Architect can be converted to Ext JS 4.1 projects (coming w/ 2.1)

    Do Ext JS 4.1 projects work running on 4.0 ... not guaranteed. Note that minor revisions typically don't affect a lot of the API. In general though, I wouldn't revert back to a previous version unless you had to. Especially in the case of 4.1 vs 4.0 for the performance improvements alone.

    Hope this helps!
    Phil Strong
    @philstrong

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    Quote Originally Posted by Phil.Strong View Post
    Do Ext JS 4.1 projects work running on 4.0 ... not guaranteed.
    I think he is taking about the opposite: run 4.0 application with 4.1 framework.

    Regards.
    UI: Sencha Architect 3.x / ExtJS 4 - 6
    Server side: JEE / EJB 3.x / CDI / JPA 2.x/ JAX-RS / JasperReports
    Application Server: Glassfish / WildFly
    Databases: Oracle / DB2 / MySQL / Firebird

    If you like my answer please vote!

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