When updating to apt 0.9.7.5ubuntu5.3, no /etc/apt/apt.conf.d/01autoremove-kernels was generated and apt-get autoremove would uninstall all kernel versions but the latest from my system.
Running /etc/kernel/postinst.d/apt-auto-removal 3.5.0-24-generic manually generated the file.
When updating to apt 0.9.7.5ubuntu5.3, no /etc/apt/ apt.conf. d/01autoremove- kernels was generated and apt-get autoremove would uninstall all kernel versions but the latest from my system.
Running /etc/kernel/ postinst. d/apt-auto- removal 3.5.0-24-generic manually generated the file.