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this post was submitted on 09 Jun 2026
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Firefox has webserial support now. I no longer need anything chromium. Let them rot.
What is it used for?
Communicating with external devices via USB or the old D-Sub connectors.
Printers, microcontrollers, instruments, etc... Directly instead of through the OS.
Notably, ESPHome Programmer uses it for flashing ESP32s wired. Other companies like Solo Motor Controllers use it for delivering a user GUI to customers that is always updated but that can switch between versions instantly for production without having to having to deal with window's broken method of having to manually search and download .exes for every program.
never heard of it till now. neat!
I had to use Brave earlier this year to flash firmware onto a Meshtastic device. It's good to hear that Firefox has that option now.
Even grapheneOS use it for adb into your phone to flash the images.
they use WebUSB in GrapheneOS
Really? Holy shit I can switch to zen fully at work and at home and uninstall chromium. Webserial was literally the only thing I needed
I heard about the web usb thing, it's also going to be a game changer for me (I haven't tried yet, hopefully it works)
Where oh where is my PWA...?
“Coming soon…”
It does? Guess I can finally yeet Chromium from my machine then.
How about bluetooth support? Has that been fixed yet?
Why the downvotes? I have 4 machines at work, and none of them can send code to a LEGO Spike Hub over bluetooth in Firefox but works perfectly fine in Chrome.