From Trezor Wiki
If you are a non-technical user and you want to report an issue, please use the Support Center.
Technical users and developers with a GitHub account may report issues directly in the following GitHub repositories.
- Trezor Suite https://github.com/trezor/trezor-suite/issues
- Trezor Connect https://github.com/trezor/connect/issues
- Trezor Communication Daemon https://github.com/trezor/trezord-go/issues
- Blockbook https://github.com/trezor/blockbook/issues
- Firmware https://github.com/trezor/trezor-firmware/issues
Note To view all repositories and raise an issue, please go to the Trezor Repositories page on github.
- Trezor Bridge (v1) - Development has been discontinued, please use Bridge v2 or WebUSB.
- Trezor Chrome extension - Development has been discontinued, please use Bridge v2 or WebUSB.
See also Developers guide