@@ -15,10 +15,11 @@ What's New
1515 :values: reference
1616
1717.. meta::
18- :keywords: update, new feature, deprecation, upgrade, driver v2.19, driver v2.20, driver v2.21, driver v2.22, driver v2.23, driver v2.24, driver v2.25
18+ :keywords: update, new feature, deprecation, upgrade, driver v2.19, driver v2.20, driver v2.21, driver v2.22, driver v2.23, driver v2.24, driver v2.25, driver v2.26
1919
2020Learn what's new in:
2121
22+ * :ref:`Version 2.26 <csharp-version-2.26>`
2223* :ref:`Version 2.25 <version-2.25>`
2324* :ref:`Version 2.24 <version-2.24>`
2425* :ref:`Version 2.23 <version-2.23>`
@@ -29,6 +30,34 @@ Learn what's new in:
2930
3031.. _upcoming-breaking-changes:
3132
33+ .. _csharp-version-2.26:
34+
35+ What's New in 2.26
36+ ------------------
37+
38+ The 2.26 driver release includes the following new features:
39+
40+ - Added support for using the ``SelectMany()`` aggregation method within
41+ ``Select()`` and ``Project()`` aggregation stages.
42+
43+ - Added support for ``Dictionary.ContainsValue()`` calls in LINQ queries.
44+
45+ - Added support for string concatenation of mixed types.
46+
47+ - Enabled use of native ``crypto`` in ``libmongocrypt`` bindings.
48+
49+ - Added support for serialization of ``Memory`` and ``ReadOnlyMemory``
50+ structs.
51+
52+ - Added support for the GCP Identity Provider when using the
53+ ``MONGODB-OIDC`` authentication mechanism. To learn more, see
54+ :ref:`csharp-mongodb-oidc-gcp-imds` in the Enterprise Authentication
55+ Mechanisms guide.
56+
57+ - Implemented signing of NuGet packages.
58+
59+ - Implemented read and write retries to other ``mongos`` instances when
60+ possible.
3261
3362.. _version-2.25:
3463
@@ -45,7 +74,7 @@ The 2.25 driver release includes the following new features:
4574 a LINQ query.
4675- Added support for overriding the ``"mongodb"`` service name with a custom one
4776 by using the ``srvServiceName`` connection option.
48- - Improved behavior of bulk write operations to preven enumerating the requests
77+ - Improved behavior of bulk write operations to prevent enumerating the requests
4978 parameter more than once.
5079
5180.. _version-2.24:
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