| ⇢ | A | Driver.read() added | |
| ⇢ | A | Driver.write() added | |
| ⇢ | A | Driver.__enter__() added | |
| ⇢ | A | Driver.isOpen() added | |
| ⇢ | A | USB2Driver._read() added | |
| ⇢ | A | USB2Driver._write() added | |
| ⇢ | A | USB2Driver._close() added | |
| ⇢ | A | Driver.__exit__() added | |
| ⇢ | A | Driver.close() added | |
| ⇢ | A | USB2Driver._isOpen() added | |
| ⋮ | view more | ||
| D | ↘ | F | USB2Driver._open() got worse |