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| 1 | +.. _rust-whats-new: |
| 2 | + |
| 3 | +========== |
| 4 | +What's New |
| 5 | +========== |
| 6 | + |
| 7 | +.. facet:: |
| 8 | + :name: genre |
| 9 | + :values: reference |
| 10 | + |
| 11 | +.. meta:: |
| 12 | + :keywords: update, new feature, deprecation, upgrade |
| 13 | + |
| 14 | +.. contents:: On this page |
| 15 | + :local: |
| 16 | + :backlinks: none |
| 17 | + :depth: 1 |
| 18 | + :class: singlecol |
| 19 | + |
| 20 | +Learn about new features, improvements, and fixes introduced in the |
| 21 | +following versions of the {+driver-long+}: |
| 22 | + |
| 23 | +* :ref:`Version 2.7 <rust-version-2.7>` |
| 24 | +* :ref:`Version 2.6 <rust-version-2.6>` |
| 25 | + |
| 26 | +.. _rust-version-2.7: |
| 27 | + |
| 28 | +What's New in 2.7 |
| 29 | +----------------- |
| 30 | + |
| 31 | +The {+driver-short+} v2.7 release includes the following features, |
| 32 | +improvements, and fixes: |
| 33 | + |
| 34 | +- Adds the ``human_readable_serialization`` option to the |
| 35 | + ``CollectionOptions`` struct. This option instructs the |
| 36 | + driver to serialize values passed to CRUD methods as a human-readable |
| 37 | + format. The default value of this option is ``false``. |
| 38 | + |
| 39 | + .. warning:: |
| 40 | + |
| 41 | + If you set the value of ``human_readable_serialization`` to |
| 42 | + ``true``, your insert operations might run more slowly. |
| 43 | + |
| 44 | +- Adds the ``run_cursor_command()`` method to run a database command and |
| 45 | + retrieve the response as a ``Cursor`` type. To learn more, see the |
| 46 | + :ref:`rust-run-command` guide. |
| 47 | + |
| 48 | +- Adds SDAM event logging when you use the ``tracing-unstable`` feature |
| 49 | + flag. |
| 50 | + |
| 51 | +- Adds the following configurations for ``Client`` and connection management: |
| 52 | + |
| 53 | + - ``max_connecting``: an option that you can set in a ``ClientOptions`` |
| 54 | + struct to specify how many connections you can establish in |
| 55 | + parallel. To learn more about this option, see |
| 56 | + :ref:`rust-performance-pool` in the Performance Considerations |
| 57 | + guide. |
| 58 | + |
| 59 | + - ``Client::warm_connection_pool()``: a method that you can use to create |
| 60 | + new connections in the connection pool to provide more |
| 61 | + predictable performance. When you use this method, the driver |
| 62 | + attempts to create connections up to the number specified in the |
| 63 | + ``min_pool_size`` setting. |
| 64 | + |
| 65 | + - ``Client::shutdown()``: a method that you can use to stop background |
| 66 | + tasks and wait for handlers to drop. This method can be helpful if |
| 67 | + you use event handlers to reference external resources, as these |
| 68 | + handlers might be used in tasks even after the ``Client`` is |
| 69 | + closed. |
| 70 | + |
| 71 | +To learn more about this release, see the |
| 72 | +`v2.7.0 Release Highlights |
| 73 | +<https://github.com/mongodb/mongo-rust-driver/releases/tag/v2.7.0>`__ |
| 74 | +on Github. |
| 75 | + |
| 76 | +.. _rust-version-2.6: |
| 77 | + |
| 78 | +What's New in 2.6 |
| 79 | +----------------- |
| 80 | + |
| 81 | +The {+driver-short+} v2.6 release includes the following features, |
| 82 | +improvements, and fixes: |
| 83 | + |
| 84 | +- Supports AWS Identity and Access Management |
| 85 | + (IAM) roles for service accounts, such as Elastic Kubernetes |
| 86 | + Service (EKS) accounts. |
| 87 | + |
| 88 | +- Supports GCP-attached service accounts when using the Cloud Key |
| 89 | + Management System (KMS). |
| 90 | + |
| 91 | +- Supports fetching on-demand CSFLE credentials from the Azure KMS. |
| 92 | + |
| 93 | +- Implements the ``FromStr`` trait for the ``Namespace`` struct. |
| 94 | + This change allows you to parse a string that includes a database and |
| 95 | + collection name, such as ``"testdb.testcollection"`` into a |
| 96 | + ``Namespace`` instance. |
| 97 | + |
| 98 | +- Includes the ``server_id`` in a ``ConnectionInfo`` struct as an |
| 99 | + ``i64`` type. |
| 100 | + |
| 101 | +- Removes most type constraints on values referenced by a ``Cursor``. |
| 102 | + |
| 103 | +- Updates the ``libmongocrypt`` version in the driver dependencies in |
| 104 | + order to use the Queryable Encryption feature with equality queries. |
| 105 | + |
| 106 | +To learn more about this release, see the |
| 107 | +`v2.6.0 Release Highlights |
| 108 | +<https://github.com/mongodb/mongo-rust-driver/releases/tag/v2.6.0>`__ |
| 109 | +on Github. |
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