| B | ↘ | C | Pulse got worse |
| ⇢ | B | PulseUpdate::createUpdate() added | |
| ⇢ | A | PulseUpdate::likeUnlikeUpdate() added | |
| ⇢ | A | PulseUpdate::getUpdates() added | |
| ⇢ | A | PulseUpdate::deleteUpdate() added | |
| ⇢ | A | Pulse::createUpdate() added | |
| ⇢ | A | PulseUpdate::likeUpdate() added | |
| ⇢ | A | PulseUpdate::unlikeUpdate() added |