Thank you for reporting this bug. We will make it our priority to review this report.
[FIXED][3.0] Template-more.js and apply
I've changed our code to use applyTemplate now, but to help those that didn't...
This line is in Template.js but not in Template-more.js. It needs to be in both, or even if you are use the full Ext3, the apply method is only linked to the core/lite version of the applyTemplate method. This one took a while to find...
Ext.Template.prototype.apply = Ext.Template.prototype.applyTemplate;
Twitter - @evantrimboli
Don't be afraid of the source code!