| ⇢ | B | u2f added |
| ⇢ | C | u2f::createError() added | |
| ⇢ | C | u2f::login() added | |
| ⇢ | B | u2f::login_start() added | |
| ⇢ | B | u2f::register_start() added | |
| ⇢ | B | u2f::register() added | |
| ⇢ | B | u2f::show_ucp() added | |
| ⇢ | A | u2f::is_usable() added | |
| ⇢ | A | u2f::is_potentially_usable() added | |
| ⇢ | A | u2f::delete() added | |
| ⇢ | A | u2f::getRegistrations() added | |
| ⋮ | view more | ||
| B | ↗ | A | tfa_module::register_security_key() improved |
| A | ↘ | B | tfa_module::delete_keys() got worse |
| B | ↘ | C | main_controller::display() got worse |
| C | ↗ | B | main_controller::submit() improved |
| D | ↗ | B | tfa_module::createPage() improved |
| C | ↛ | main_controller::createError() removed | |
| C | ↛ | tfa_module::createError() removed | |
| A | ↛ | main_controller::getRegistrations() removed | |
| A | ↛ | tfa_module::update_session() removed | |