The QT Py ESP32-C3 also has problems. The only difference is that this installer never worked. The other two boards were installing just fine for several days. (BTW, all this JavaScript development for browser based esptool and repl tools is very exciting! Chromebooks are what students have to use in many countries.)
Failed to load resource: the server responded with a status of 404 (Not Found) stylesheet:1
base_installer.min.js:12 Connecting...
base_installer.min.js:12 Connected successfully.
base_installer.min.js:12 Try hard reset.
base_installer.min.js:12 Chip type ESP32-C3
base_installer.min.js:12 Connected to ESP32-C3
base_installer.min.js:12 MAC Address: 34:B4:72:E7:C2:5C
base_installer.min.js:12 This chip checks out
base_installer.min.js:12 Uploading stub...
base_installer.min.js:12 Running stub...
base_installer.min.js:12 Stub is now running...
base_installer.min.js:12 Detecting Flash Size
base_installer.min.js:12 FlashId: 0x164020
base_installer.min.js:12 Flash Manufacturer: 20
base_installer.min.js:12 Flash Device: 4016
base_installer.min.js:12 Auto-detected Flash size: 4MB
base_installer.min.js:12 Attempting to change baud rate to 921600...
base_installer.min.js:12 Changed baud rate to 921600
index.js:1 Read loop got disconnected
Originally posted by @bborncr in https://github.com/adafruit/circuitpython-org/issues/1170#issuecomment-1476735708