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Bambu Lab abuses the open source social contract: a cautionary tale

The 3D printer maker thought open source was just a buzzword, and the community is not amused.

12 mai 20262 min read
Bambu Lab abuses the open source social contract: a cautionary tale

Bambu Lab, known for their speedy 3D printers, decided that open source is like a grandma's Wi-Fi: it exists, but nobody gets the password. They pushed a firmware update that effectively locked out custom solutions, breaking the unspoken social contract with the community. Developers who spent years building plugins and mods were left in the cold.

The gist of the complaint is that Bambu Lab used open source components in their commercial product but figured sharing improvements back was optional. Sounds familiar, right? Especially when your CI/CD pipeline crashes on a Friday night, and now there's a retroactively rewritten license on top.

Unsurprisingly, the community erupted. Bug trackers filled with issues like "are you kidding me?", and the bold ones already forked the old firmware. Bambu Lab tried to justify it with "security," but everyone knows: when they say "security," they usually mean "we want to control your deploy."

What this means for developers:

  • Don't take their word — always check licenses and EULAs, even from "friendly" vendors.
  • Fork everything — if the code can be copied, copy it before it's too late.
  • Vote with your wallet — companies that break the open source contract will eventually lose their community.

METABYTE studio's comment: At METABYTE, we love open source, but we prefer licenses like IKEA instructions — clear and without surprises. If your startup uses open source, make sure you don't "forget" to share your improvements back. Otherwise, the community will come with pitchforks and forks.

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