Firmware updates are supposed to improve the hardware you already own. Bambu Lab’s authorization-control firmware patches vulnerabilities, but it also changes who decides which software and accessories control your printer. Once installed, the printer checks whether commands come from official or authorized software. That distinction matters. The update doesn’t brick your printer, ban third-party filament, or make every print dependent on the internet. It does, however, remove direct network-control capabilities that owners had when they bought their machines and puts Bambu Lab in charge of the approved route back in. Related These 5 settings turned my prints from spaghetti into things I’d give as gifts Five slicer tweaks stand between a pile of regret and something worth wrapping in a bow. Local printing survived, but the open door didn’t Bambu Connect puts a middleman in front of every third-party job Before the authorization control update, software such as OrcaSlicer and local integrations could communicate directly with supported Bambu printers through the existing network interface. After updating, unauthorized programs can still read some status data, but …