Neato D8 Latest Firmware !!hot!! -

2.6.1 (released on February 2023)

The process usually takes a few minutes; do not interrupt the robot while the lights are flashing rhythmically. 3. Advanced/Local Update via USB Neato D8 Latest Firmware

So, if you update your D8 to 4.5.3, you will not gain multi-floor mapping. That is a product tier limitation, not a missing update. not a missing update.