diff --git a/CHANGELOG.md b/CHANGELOG.md
index b1018c1cb..04b823816 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,9 +3,17 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
+- Add classes to cast ObjectId and UUID instances [#1](https://github.com/GromNaN/laravel-mongodb-private/pull/1) by [@alcaeus](https://github.com/alcaeus).
+- Add `Query\Builder::toMql()` to simplify comprehensive query tests [#6](https://github.com/GromNaN/laravel-mongodb-private/pull/6) by [@GromNaN](https://github.com/GromNaN).
+- Fix `Query\Builder::whereNot` to use MongoDB [`$not`](https://www.mongodb.com/docs/manual/reference/operator/query/not/) operator [#13](https://github.com/GromNaN/laravel-mongodb-private/pull/13) by [@GromNaN](https://github.com/GromNaN).
+- Fix `Query\Builder::whereBetween` to accept `Carbon\Period` object [#10](https://github.com/GromNaN/laravel-mongodb-private/pull/10) by [@GromNaN](https://github.com/GromNaN).
+- Throw an exception for unsupported `Query\Builder` methods [#9](https://github.com/GromNaN/laravel-mongodb-private/pull/9) by [@GromNaN](https://github.com/GromNaN).
+- Throw an exception when `Query\Builder::orderBy()` is used with invalid direction [#7](https://github.com/GromNaN/laravel-mongodb-private/pull/7) by [@GromNaN](https://github.com/GromNaN).
+- Throw an exception when `Query\Builder::push()` is used incorrectly [#5](https://github.com/GromNaN/laravel-mongodb-private/pull/5) by [@GromNaN](https://github.com/GromNaN).
+
 ## [3.9.2] - 2022-09-01
 
-### Addded 
+### Added
 - Add single word name mutators [#2438](https://github.com/jenssegers/laravel-mongodb/pull/2438) by [@RosemaryOrchard](https://github.com/RosemaryOrchard) & [@mrneatly](https://github.com/mrneatly).
 
 ### Fixed
diff --git a/README.md b/README.md
index 6a6752575..71e7768e5 100644
--- a/README.md
+++ b/README.md
@@ -332,6 +332,12 @@ $users =
         ->get();
 ```
 
+**NOT statements**
+
+```php
+$users = User::whereNot('age', '>', 18)->get();
+```
+
 **whereIn**
 
 ```php
diff --git a/src/Query/Builder.php b/src/Query/Builder.php
index b6924bb47..4db2b5a91 100644
--- a/src/Query/Builder.php
+++ b/src/Query/Builder.php
@@ -1019,19 +1019,26 @@ protected function compileWheres(): array
                 }
             }
 
-            // The next item in a "chain" of wheres devices the boolean of the
-            // first item. So if we see that there are multiple wheres, we will
-            // use the operator of the next where.
-            if ($i == 0 && count($wheres) > 1 && $where['boolean'] == 'and') {
-                $where['boolean'] = $wheres[$i + 1]['boolean'];
+            // In a sequence of "where" clauses, the logical operator of the
+            // first "where" is determined by the 2nd "where".
+            // $where['boolean'] = "and", "or", "and not" or "or not"
+            if ($i == 0 && count($wheres) > 1
+                && str_starts_with($where['boolean'], 'and')
+                && str_starts_with($wheres[$i + 1]['boolean'], 'or')
+            ) {
+                $where['boolean'] = 'or'.(str_ends_with($where['boolean'], 'not') ? ' not' : '');
             }
 
             // We use different methods to compile different wheres.
             $method = "compileWhere{$where['type']}";
             $result = $this->{$method}($where);
 
+            if (str_ends_with($where['boolean'], 'not')) {
+                $result = ['$not' => $result];
+            }
+
             // Wrap the where with an $or operator.
-            if ($where['boolean'] == 'or') {
+            if (str_starts_with($where['boolean'], 'or')) {
                 $result = ['$or' => [$result]];
             }
 
diff --git a/tests/Query/BuilderTest.php b/tests/Query/BuilderTest.php
index f600fa73a..8c8a00c50 100644
--- a/tests/Query/BuilderTest.php
+++ b/tests/Query/BuilderTest.php
@@ -50,6 +50,17 @@ public static function provideQueryBuilderToMql(): iterable
             fn (Builder $builder) => $builder->where('foo', 'bar'),
         ];
 
+        yield 'where with single array of conditions' => [
+            ['find' => [
+                ['$and' => [
+                    ['foo' => 1],
+                    ['bar' => 2],
+                ]],
+                [], // options
+            ]],
+            fn (Builder $builder) => $builder->where(['foo' => 1, 'bar' => 2]),
+        ];
+
         yield 'find > date' => [
             ['find' => [['foo' => ['$gt' => new UTCDateTime($date)]], []]],
             fn (Builder $builder) => $builder->where('foo', '>', $date),
@@ -65,6 +76,177 @@ public static function provideQueryBuilderToMql(): iterable
             fn (Builder $builder) => $builder->limit(10)->offset(5)->select('foo', 'bar'),
         ];
 
+        /** @see DatabaseQueryBuilderTest::testBasicWhereNot() */
+        yield 'whereNot (multiple)' => [
+            ['find' => [
+                ['$and' => [
+                    ['$not' => ['name' => 'foo']],
+                    ['$not' => ['name' => ['$ne' => 'bar']]],
+                ]],
+                [], // options
+            ]],
+            fn (Builder $builder) => $builder
+                ->whereNot('name', 'foo')
+                ->whereNot('name', '<>', 'bar'),
+        ];
+
+        /** @see DatabaseQueryBuilderTest::testBasicOrWheres() */
+        yield 'where orWhere' => [
+            ['find' => [
+                ['$or' => [
+                    ['id' => 1],
+                    ['email' => 'foo'],
+                ]],
+                [], // options
+            ]],
+            fn (Builder $builder) => $builder
+                ->where('id', '=', 1)
+                ->orWhere('email', '=', 'foo'),
+        ];
+
+        /** @see DatabaseQueryBuilderTest::testBasicOrWhereNot() */
+        yield 'orWhereNot' => [
+            ['find' => [
+                ['$or' => [
+                    ['$not' => ['name' => 'foo']],
+                    ['$not' => ['name' => ['$ne' => 'bar']]],
+                ]],
+                [], // options
+            ]],
+            fn (Builder $builder) => $builder
+                ->orWhereNot('name', 'foo')
+                ->orWhereNot('name', '<>', 'bar'),
+        ];
+
+        yield 'whereNot orWhere' => [
+            ['find' => [
+                ['$or' => [
+                    ['$not' => ['name' => 'foo']],
+                    ['name' => ['$ne' => 'bar']],
+                ]],
+                [], // options
+            ]],
+            fn (Builder $builder) => $builder
+                ->whereNot('name', 'foo')
+                ->orWhere('name', '<>', 'bar'),
+        ];
+
+        /** @see DatabaseQueryBuilderTest::testWhereNot() */
+        yield 'whereNot callable' => [
+            ['find' => [
+                ['$not' => ['name' => 'foo']],
+                [], // options
+            ]],
+            fn (Builder $builder) => $builder
+                ->whereNot(fn (Builder $q) => $q->where('name', 'foo')),
+        ];
+
+        yield 'where whereNot' => [
+            ['find' => [
+                ['$and' => [
+                    ['name' => 'bar'],
+                    ['$not' => ['email' => 'foo']],
+                ]],
+                [], // options
+            ]],
+            fn (Builder $builder) => $builder
+                ->where('name', '=', 'bar')
+                ->whereNot(function (Builder $q) {
+                    $q->where('email', '=', 'foo');
+                }),
+        ];
+
+        yield 'whereNot (nested)' => [
+            ['find' => [
+                ['$not' => [
+                    '$and' => [
+                        ['name' => 'foo'],
+                        ['$not' => ['email' => ['$ne' => 'bar']]],
+                    ],
+                ]],
+                [], // options
+            ]],
+            fn (Builder $builder) => $builder
+                ->whereNot(function (Builder $q) {
+                    $q->where('name', '=', 'foo')
+                      ->whereNot('email', '<>', 'bar');
+                }),
+        ];
+
+        yield 'orWhere orWhereNot' => [
+            ['find' => [
+                ['$or' => [
+                    ['name' => 'bar'],
+                    ['$not' => ['email' => 'foo']],
+                ]],
+                [], // options
+            ]],
+            fn (Builder $builder) => $builder
+                ->orWhere('name', '=', 'bar')
+                ->orWhereNot(function (Builder $q) {
+                    $q->where('email', '=', 'foo');
+                }),
+        ];
+
+        yield 'where orWhereNot' => [
+            ['find' => [
+                ['$or' => [
+                    ['name' => 'bar'],
+                    ['$not' => ['email' => 'foo']],
+                ]],
+                [], // options
+            ]],
+            fn (Builder $builder) => $builder
+                ->where('name', '=', 'bar')
+                ->orWhereNot('email', '=', 'foo'),
+        ];
+
+        /** @see DatabaseQueryBuilderTest::testWhereNotWithArrayConditions() */
+        yield 'whereNot with arrays of single condition' => [
+            ['find' => [
+                ['$not' => [
+                    '$and' => [
+                        ['foo' => 1],
+                        ['bar' => 2],
+                    ],
+                ]],
+                [], // options
+            ]],
+            fn (Builder $builder) => $builder
+                ->whereNot([['foo', 1], ['bar', 2]]),
+        ];
+
+        yield 'whereNot with single array of conditions' => [
+            ['find' => [
+                ['$not' => [
+                    '$and' => [
+                        ['foo' => 1],
+                        ['bar' => 2],
+                    ],
+                ]],
+                [], // options
+            ]],
+            fn (Builder $builder) => $builder
+                ->whereNot(['foo' => 1, 'bar' => 2]),
+        ];
+
+        yield 'whereNot with arrays of single condition with operator' => [
+            ['find' => [
+                ['$not' => [
+                    '$and' => [
+                        ['foo' => 1],
+                        ['bar' => ['$lt' => 2]],
+                    ],
+                ]],
+                [], // options
+            ]],
+            fn (Builder $builder) => $builder
+                ->whereNot([
+                    ['foo', 1],
+                    ['bar', '<', 2],
+                ]),
+        ];
+
         /** @see DatabaseQueryBuilderTest::testOrderBys() */
         yield 'orderBy multiple columns' => [
             ['find' => [[], ['sort' => ['email' => 1, 'age' => -1]]]],