We have released the following ZK products for maintenance purposes and/or ZK 6.5 support.
ZK Spring 3.1.1
Maintenance release to support Spring Security 3.1 along with a few bug fixes
Check out release note or download.
ZK JSP 2.2
Maintenance release to support all versions of ZK 6
ZK Gmaps 3.0.1
Maintenance bug fix + support for ZK 6.5
ZK CKEditor 3.6.4
Maintenance bug fix + support for ZK 6.5 & native ckeditor for tablet devices