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Thread: 4.0.0 Serious performance issues under IE 8

  1. #1
    Ext JS Premium Member
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    Default 4.0.0 Serious performance issues under IE 8

    Hi,

    Im seeing serious performance issues under IE 8 now i've migrated to 4.0.0


    Using Chrome, my application is lightning fast! (much faster than in EXTJS 3.3)


    Using FF 3.6, performance is not far off Chrome but Im seeing a little performance degradation around Accordions and a Split Button with Sub Menu

    Using IE 8, the application is basically unusable, Split button and Accordions hang for very long periods of time and other parts of UI are noticeably slower than the other browsers. Also initial run time from Browser open > application loaded is + 12 seconds over Chrome and FF (which only take 2-3 seconds)

    What would be the best way to supply performance info to assist with getting this resolved in 4.0.0?

    Many thanks
    MrSparks

  2. #2
    Sencha - Community Support Team jsakalos's Avatar
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    The best would be to provide a showcase and post it in Bugs so that developers have "something to play with".
    Jozef Sakalos, aka Saki

    Education, extensions and services for developers at new http://extjs.eu
    News: Grid MultiSearch Plugin, Grid MultiSort Plugin, Configuring ViewModel Hierarchy


  3. #3
    Ext JS Premium Member
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    Default

    Np.

    Thanks as always!

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