| ⇢ | A | DummyDriver added | |
| ⇢ | A | PcapDriver added |
| ⇢ | A | PcapDriver._read() added | |
| ⇢ | A | DummyDriver.__init__() added | |
| ⇢ | A | DummyDriver._read() added | |
| ⇢ | A | Driver.splitN() added | |
| ⇢ | A | DummyDriver._isOpen() added | |
| ⇢ | A | DummyDriver._write() added | |
| ⇢ | A | PcapDriver.__init__() added | |
| ⇢ | A | PcapDriver._open() added | |
| ⇢ | A | PcapDriver._isOpen() added | |
| ⇢ | A | PcapDriver._write() added | |
| ⋮ | view more | ||
| A | ↘ | B | Driver.open() got worse |
| B | ↘ | F | Driver.read() got worse |