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Thread: 6.5.3 nightly regression - setActiveItem can't accept a component configuration

    You found a bug! We've classified it as EXTJS-26579 . We encourage you to continue the discussion and to find an acceptable workaround while we work on a permanent fix.
  1. #1
    Sencha Premium User evant's Avatar
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    Apr 2007
    Sydney, Australia
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    Default 6.5.3 nightly regression - setActiveItem can't accept a component configuration

    Affects modern.

    Test case:

    Ext.onReady(function() {
        var ct = new Ext.Container({
            renderTo: document.body,
            width: 200,
            height: 200,
            layout: 'card',
            items: [{
                html: 'Card 1'
        setTimeout(() => {
                html: 'New Card'
        }, 2000);
    Steps to reproduce:
    Observe the layout

    Expected behaviour:
    The newly added component should be visible as the active item.

    Actual behaviour:
    The new item is not added to the container and the active item disappears.

    Compare the behaviour between 6.5.2 and nightly 6.5.3 from 20171129, this is a newly introduced regression.
    Twitter - @evantrimboli
    Former Sencha framework engineer, available for consulting.
    As of 2017-09-22 I am not employed by Sencha, all subsequent posts are my own and do not represent Sencha in any way.

  2. #2
    Sencha - Sustaining Engineer tristan.lee's Avatar
    Join Date
    Mar 2015
    Central Ohio
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    Thanks, Evan. I linked this to the original bug report.
    Tristan Lee
    Sencha Inc - Sustaining Engineer

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