The Kdenlive 0.7 beta release should be ready around the 6th of october. This will be the first release of Kdenlive available for KDE4.
The proposed roadmap is:
Friday 3rd of October: string freeze
Monday 6th of October: release of Kdenlive 0.7 beta1
If no major issue is detected, the final Kdenlive 0.7 release should be ready by the 25th of October.