MONGOID-5163 Drop support for MongoDB < 3.6 (#5186)

Co-authored-by: Oleg Pudeyev <[email protected]>

Author: p-mongo

source/reference/compatibility.txt

@@ -85,6 +85,17 @@ is deprecated.
      - Ruby 2.2
      - JRuby 9.2
 
+   * - 8.0
+     - |checkmark|
+     - |checkmark|
+     - |checkmark|
+     - |checkmark|
+     - |checkmark|
+     -
+     -
+     -
+     - |checkmark|
+
    * - 7.4
      - |checkmark|
      - |checkmark|
@@ -193,6 +204,17 @@ and will be removed in a next version.
      - MongoDB 3.0
      - MongoDB 2.6
 
+   * - 8.0
+     - |checkmark|
+     - |checkmark|
+     - |checkmark|
+     - |checkmark|
+     - |checkmark|
+     -
+     -
+     -
+     -
+
    * - 7.4
      - |checkmark|
      - |checkmark|
@@ -279,116 +301,55 @@ are supported by Mongoid.
      - Rails 6.0
      - Rails 5.2
      - Rails 5.1
-     - Rails 5.0
-     - Rails 4.2
+
+   * - 8.0
+     - |checkmark|
+     - |checkmark|
+     - |checkmark|
+     - |checkmark| [#rails-5-ruby-3.0]_
+     - |checkmark| [#rails-5-ruby-3.0]_
 
    * - 7.4
      - |checkmark|
      - |checkmark|
      - |checkmark|
      - |checkmark| [#rails-5-ruby-3.0]_
      - |checkmark| [#rails-5-ruby-3.0]_
-     -
-     -
 
    * - 7.3
      - |checkmark| [#rails-7-Mongoid-7.3]_
      - |checkmark|
      - |checkmark|
      - |checkmark| [#rails-5-ruby-3.0]_
      - |checkmark| [#rails-5-ruby-3.0]_
-     -
-     -
 
    * - 7.2
      -
      - |checkmark| [#rails-6.1]_
      - |checkmark|
      - |checkmark| [#rails-5-ruby-3.0]_
      - |checkmark| [#rails-5-ruby-3.0]_
-     -
-     -
 
    * - 7.1
      -
      - |checkmark| [#rails-6.1]_
      - |checkmark|
      - |checkmark|
      - |checkmark|
-     -
-     -
 
    * - 7.0
      -
      - |checkmark| [#rails-6.1]_
      - |checkmark| [#rails-6]_
      - |checkmark|
      - |checkmark|
-     -
-     -
 
    * - 6.4
      -
      -
      -
      - |checkmark|
      - |checkmark|
-     -
-     -
-
-   * - 6.3
-     -
-     -
-     -
-     - |checkmark|
-     - |checkmark|
-     -
-     -
-
-   * - 6.2
-     -
-     -
-     -
-     - |checkmark|
-     - |checkmark|
-     -
-     -
-
-   * - 6.1
-     -
-     -
-     -
-     -
-     -
-     - |checkmark|
-     -
-
-   * - 6.0
-     -
-     -
-     -
-     -
-     -
-     - |checkmark|
-     -
-
-   * - 5.4
-     -
-     -
-     -
-     -
-     -
-     -
-     - |checkmark|
-
-   * - 5.2
-     -
-     -
-     -
-     -
-     -
-     -
-     - |checkmark|
 
 .. [#rails-5-ruby-3.0] Using Rails 5.x with Ruby 3 is not supported.
 

source/release-notes/mongoid-7.4.txt

@@ -29,6 +29,13 @@ As of version 7.4, Mongoid supports Ruby 2.5+.
 Support for Ruby 2.4 and earlier has been dropped.
 
 
+Support for MongoDB 3.4 and Earlier Servers Deprecated
+------------------------------------------------------
+
+Mongoid 7.4 deprecates support for MongoDB 3.4 and earlier.
+Mongoid 8 will require MongoDB 3.6 or newer.
+
+
 Change ``===`` Operator To Match Ruby Semantics
 -----------------------------------------------
 

source/release-notes/mongoid-8.0.txt

@@ -18,6 +18,13 @@ please consult GitHub releases for detailed release notes and JIRA for
 the complete list of issues fixed in each release, including bug fixes.
 
 
+Support for MongoDB 3.4 and Earlier Servers Dropped
+---------------------------------------------------
+
+Mongoid 8 requires MongoDB 3.6 or newer. Earlier server versions are not
+supported.
+
+
 Default Option Values Changed
 -----------------------------