Downstream Change Summary
- BSON corpus tests have been updated. Drivers should sync to mongodb/specifications@b3b74c9.
- Drivers should add a new constant corresponding to BSON binary subtype 0x07. "Column" should be included in its identifier (e.g. BinDataType::Column or BSON_SUBTYPE_COLUMN).
Description of Linked Ticket
Will be used for BSONColumn.