| Server version | Wire version | Feature List |
|---|---|---|
| 2.6 | 1 | Aggregation cursor
Auth commands
|
| 2.6 | 2 | Write commands (insert/update/delete)
Aggregation $out pipeline operator
|
| 3.0 | 3 | listCollections
listIndexes
SCRAM-SHA-1
explain command
|
| 3.2 | 4 | (find/getMore/killCursors) commands
currentOp command
fsyncUnlock command
findAndModify take write concern
Commands take read concern
Document-level validation
explain command supports distinct and findAndModify
|
| 3.4 | 5 | Commands take write concern
Commands take collation
|
| 3.6 | 6 | Supports OP_MSG
Collection-level ChangeStream support
Retryable Writes
Causally Consistent Reads
Logical Sessions
update "arrayFilters" option
|
| 4.0 | 7 | ReplicaSet transactions
Database and cluster-level change streams and startAtOperationTime option
|
| 4.2 | 8 | Sharded transactions
Aggregation $merge pipeline operator
|
| 5.0 | 12 | Consistent $collStats count behavior on sharded and non-sharded topologies
|
For more information see MongoDB Server repo: https://github.com/mongodb/mongo/blob/master/src/mongo/db/wire_version.h