| ⇢ | A | Pipeline::explain() added | |
| ⇢ | A | Pipeline::allowDiskUse() added | |
| ⇢ | A | Pipeline::setBatchSize() added | |
| ⇢ | A | Client::debug() added | |
| ⇢ | A | Pipeline::getOptions() added | |
| ⇢ | A | Client::isDebugEnabled() added | |
| ⇢ | A | Pipeline::aggregateCursor() added | |
| ⇢ | A | Pipeline::jsonSerialize() added | |
| B | ↘ | F | Collection::aggregate() got worse |
| A | ↛ | Collection::createPipeline() removed |