I am hoping to use ExtJs 4 for the next project. I am facing several issues. For instance, the calendar component does not show the actual values (pic). This is a CSS issue. If I switched backed to beta2 css, the calendar shows but the paging does not show properly.

The other issue I have is with plugins. Need the search and the export plugins.

Considering such issues, is it worthwhile to go with Extjs 4 or stick to Extjs 3.3.