Grey Mode, External Download Manager, Password Manager

  1. Little bit less “Dark Mode” or separate “Grey mode”

Reason: Existing Dark Mode is too shiny Dark and might affect eyes of some users

  1. External Download Manager Support (Example: ADM)

Reason: The inbuilt download manager doesn’t show some valuable Information like download speed or remaining time and lacks some advanced features

  1. Support for Password Manager Extensions (like Bitwarden)

Reason: Password Managers can Save passwords from Apps too, so it is very useful when we open sites for respective app in browser

About the 3rd point, I think you can still use Bitwarden without extension support.
Just download the app(bitwarden’s app) and grant permissions in the auto-fill services section.