DOCSP-50030 - Remove EOL Server versions (#637)

(cherry picked from commit 4d80b51)
(cherry picked from commit 57f1f71)

Author: mongoKart

source/fundamentals/connection/network-compression.txt

@@ -9,11 +9,11 @@ of data passed over the network between MongoDB and your application.
 
 The {+driver-short+} supports the following compression algorithms:
 
-1. `Snappy <https://google.github.io/snappy/>`__: available in MongoDB 3.6 and later.
+1. `Snappy <https://google.github.io/snappy/>`__
 
-2. `Zlib <https://zlib.net/>`__: available in MongoDB 3.6 and later.
+2. `Zlib <https://zlib.net/>`__
 
-3. `Zstandard <https://github.com/facebook/zstd/>`__: available in MongoDB 4.2 and later.
+3. `Zstandard <https://github.com/facebook/zstd/>`__
 
 If you specify multiple compression algorithms, the driver selects the
 first one in the list supported by your MongoDB instance.

source/fundamentals/indexes.txt

@@ -57,8 +57,8 @@ and disk usage for capacity planning. In addition, when a write operation update
 indexed field, MongoDB also updates the related index.
 
 Since MongoDB supports dynamic schemas, applications can query against fields whose names
-cannot be known in advance or are arbitrary. MongoDB 4.2 introduced :manual:`wildcard indexes </core/index-wildcard/>`
-to help support these queries. Wildcard indexes are not designed to replace workload-based
+cannot be known in advance or are arbitrary. :manual:`Wildcard indexes </core/index-wildcard/>`
+help support these queries, but are not designed to replace workload-based
 index planning.
 
 For more information about designing your data model and choosing indexes
@@ -368,7 +368,7 @@ The following is an example of a geospatial query using the "location.geo" index
    :dedent:
 
 MongoDB also supports ``2d`` indexes for calculating distances on a Euclidean plane and
-for working with the "legacy coordinate pairs" syntax used in MongoDB 2.2 and earlier.
+for working with the "legacy coordinate pairs" syntax. 
 To learn more, see :manual:`Geospatial Queries </geospatial-queries>` in the Server manual.
 
 Unique Indexes

source/includes/mongodb-compatibility-table-csharp.rst

@@ -4,252 +4,45 @@
    :class: compatibility-large
 
    * - {+driver-short+} Version
+     - MongoDB 8.1
      - MongoDB 8.0
      - MongoDB 7.0
      - MongoDB 6.0
-     - MongoDB 5.0
-     - MongoDB 4.4
-     - MongoDB 4.2
-     - MongoDB 4.0
-     - MongoDB 3.6
-     - MongoDB 3.4
-     - MongoDB 3.2
-     - MongoDB 3.0
-     - MongoDB 2.6
 
-   * - 2.29
+   * - 2.29 to 3.4
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+     - ✗ [#8.1-note]_
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-The driver doesn't support older versions of MongoDB.
+.. [#v3-note] These driver versions are not compatible with MongoDB 8.1 or later because of an authentication issue. To learn more, see :ref:`csharp-server-8.1-incompatibility`.

source/includes/page-templates/update/update.rst

@@ -91,8 +91,7 @@ operation:
 Update Pipelines
 ~~~~~~~~~~~~~~~~
 
-If your application connects to {+mdb-server+} 4.2 or later, you can join
-a sequence of update operations into a single
+You can join a sequence of update operations into a single
 :manual:`aggregation pipeline. </core/aggregation-pipeline/>`
 
 To create an update pipeline, call the ``Builders.Update.Pipeline()`` method. This method