Sencha is releasing on Tuesday Ext JS 4, an upgrade to the company’s JavaScript framework that leverages plug-in-free charting technologies like SVG and VML instead of the Adobe Flash Player plug-in.

After acquiring mzPivotGrid earlier this month, Sencha this week announced that it has merged the Sencha Ext JS and Sencha Touch web application development frameworks into Sencha Ext JS 6.0. Art Kay, ...