The bug, which affected Ubuntu's ability to dual-boot alongside another operating system, was discovered just as the finished 10.04 installation disk images were about to be pushed out.
The problem affected the bootloader and made it impossible for a dual-boot user to switch back to Windows once Ubuntu was installed. Developers realized that the dual-boot bug was likely to have a serious impact on first-time consumer users — the very users being targeted with Lucid Lynx. Lucid Lynx is now available.
For more of this story, read Ubuntu dev team zap last-minute bug to release 'Lucid Lynx' on ZDNet UK.