diff --git a/beanie/__init__.py b/beanie/__init__.py
index b79822ea..e889ab54 100644
--- a/beanie/__init__.py
+++ b/beanie/__init__.py
@@ -27,7 +27,7 @@
 from beanie.odm.views import View
 from beanie.odm.union_doc import UnionDoc
 
-__version__ = "1.18.0b1"
+__version__ = "1.18.0"
 __all__ = [
     # ODM
     "Document",
diff --git a/beanie/odm/queries/find.py b/beanie/odm/queries/find.py
index 778a83be..524686bc 100644
--- a/beanie/odm/queries/find.py
+++ b/beanie/odm/queries/find.py
@@ -660,6 +660,39 @@ async def first_or_none(self) -> Optional[FindQueryResultType]:
             return None
         return res[0]
 
+    async def count(self) -> int:
+        """
+        Number of found documents
+        :return: int
+        """
+        if self.fetch_links:
+            aggregation_pipeline: List[
+                Dict[str, Any]
+            ] = construct_lookup_queries(self.document_model)
+
+            aggregation_pipeline.append({"$match": self.get_filter_query()})
+
+            if self.skip_number != 0:
+                aggregation_pipeline.append({"$skip": self.skip_number})
+            if self.limit_number != 0:
+                aggregation_pipeline.append({"$limit": self.limit_number})
+
+            aggregation_pipeline.append({"$count": "count"})
+
+            result = (
+                await self.document_model.get_motor_collection()
+                .aggregate(
+                    aggregation_pipeline,
+                    session=self.session,
+                    **self.pymongo_kwargs,
+                )
+                .to_list(length=1)
+            )
+
+            return result[0]["count"] if result else 0
+
+        return await super(FindMany, self).count()
+
 
 class FindOne(FindQuery[FindQueryResultType]):
     """
@@ -964,3 +997,17 @@ def __await__(
         return cast(
             FindQueryResultType, parse_obj(self.projection_model, document)
         )
+
+    async def count(self) -> int:
+        """
+        Count the number of documents matching the query
+        :return: int
+        """
+        if self.fetch_links:
+            return await self.document_model.find_many(
+                *self.find_expressions,
+                session=self.session,
+                fetch_links=self.fetch_links,
+                **self.pymongo_kwargs,
+            ).count()
+        return await super(FindOne, self).count()
diff --git a/beanie/odm/utils/encoder.py b/beanie/odm/utils/encoder.py
index 612ec98a..6ec92cc5 100644
--- a/beanie/odm/utils/encoder.py
+++ b/beanie/odm/utils/encoder.py
@@ -94,7 +94,9 @@ def encode_document(self, obj):
         link_fields = obj.get_link_fields()
         obj_dict: Dict[str, Any] = {}
         if obj.get_settings().union_doc is not None:
-            obj_dict[obj.get_settings().class_id] = obj.get_settings().union_doc_alias or obj.__class__.__name__
+            obj_dict[obj.get_settings().class_id] = (
+                obj.get_settings().union_doc_alias or obj.__class__.__name__
+            )
         if obj._inheritance_inited:
             obj_dict[obj.get_settings().class_id] = obj._class_id
 
@@ -170,7 +172,17 @@ def _encode(
             return self.encode_iterable(obj)
 
         if isinstance(
-            obj, (str, int, float, ObjectId, datetime, type(None), DBRef)
+            obj,
+            (
+                str,
+                int,
+                float,
+                ObjectId,
+                datetime,
+                type(None),
+                DBRef,
+                Decimal128,
+            ),
         ):
             return obj
 
diff --git a/docs/changelog.md b/docs/changelog.md
index 61463303..18657495 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -2,6 +2,30 @@
 
 Beanie project
 
+## [1.18.0] - 2023-03-31
+        
+### Prevent the models returned from find_all to be modified in the middle of modifying
+- Author - [Harris Tsim](https://github.com/harris)
+- PR <https://github.com/roman-right/beanie/pull/502>
+            
+### Allow change class_id and use name settings in uniondoc
+- Author - [설원준(Wonjoon Seol)/Dispatch squad](https://github.com/wonjoonSeol-WS)
+- PR <https://github.com/roman-right/beanie/pull/466>
+            
+### Fix: make `revision_id` not show in schema
+- Author - [Ivan GJ](https://github.com/ivan-gj)
+- PR <https://github.com/roman-right/beanie/pull/478>
+            
+### Fix: added re.pattern support to common encoder suite
+- Author - [Ilia](https://github.com/Abashinos)
+- PR <https://github.com/roman-right/beanie/pull/511>
+            
+### Fix other issues
+- Author - [Roman Right](https://github.com/roman-right)
+- PR <https://github.com/roman-right/beanie/pull/518>
+            
+[1.18.0]: https://pypi.org/project/beanie/1.18.0
+
 ## [1.18.0b1] - 2023-02-09
 
 ### Fix
diff --git a/pyproject.toml b/pyproject.toml
index 24121c93..8207f0d9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "beanie"
-version = "1.18.0b1"
+version = "1.18.0"
 description = "Asynchronous Python ODM for MongoDB"
 authors = ["Roman <roman-right@protonmail.com>"]
 license = "Apache-2.0"
diff --git a/tests/odm/conftest.py b/tests/odm/conftest.py
index 304b1ac4..8e44d5aa 100644
--- a/tests/odm/conftest.py
+++ b/tests/odm/conftest.py
@@ -71,6 +71,7 @@
     LoopedLinksA,
     LoopedLinksB,
     DocumentWithTurnedOnStateManagementWithCustomId,
+    DocumentWithDecimalField,
 )
 from tests.odm.views import TestView, TestViewWithLink
 
@@ -227,6 +228,7 @@ async def init(loop, db):
         LoopedLinksA,
         LoopedLinksB,
         DocumentWithTurnedOnStateManagementWithCustomId,
+        DocumentWithDecimalField,
     ]
     await init_beanie(
         database=db,
diff --git a/tests/odm/models.py b/tests/odm/models.py
index b9be85a9..960bd1d7 100644
--- a/tests/odm/models.py
+++ b/tests/odm/models.py
@@ -13,6 +13,7 @@
 from typing import Dict, List, Optional, Set, Tuple, Union
 from uuid import UUID, uuid4
 
+import pydantic
 import pymongo
 from pydantic import (
     BaseModel,
@@ -701,3 +702,27 @@ class DocWithCollectionInnerClass(Document):
 
     class Collection:
         name = "test"
+
+
+class DocumentWithDecimalField(Document):
+    amt: decimal.Decimal
+    other_amt: pydantic.condecimal(
+        decimal_places=1, multiple_of=decimal.Decimal("0.5")
+    ) = 0
+
+    class Config:
+        validate_assignment = True
+
+    class Settings:
+        name = "amounts"
+        use_revision = True
+        use_state_management = True
+        indexes = [
+            pymongo.IndexModel(
+                keys=[("amt", pymongo.ASCENDING)], name="amt_ascending"
+            ),
+            pymongo.IndexModel(
+                keys=[("other_amt", pymongo.DESCENDING)],
+                name="other_amt_descending",
+            ),
+        ]
diff --git a/tests/odm/test_encoder.py b/tests/odm/test_encoder.py
index 75173faf..e3108db8 100644
--- a/tests/odm/test_encoder.py
+++ b/tests/odm/test_encoder.py
@@ -10,6 +10,7 @@
     DocumentWithStringField,
     SampleWithMutableObjects,
     Child,
+    DocumentWithDecimalField,
 )
 
 
@@ -92,3 +93,24 @@ async def test_mutable_objects_on_save():
     await instance.save()
     assert isinstance(instance.d["Bar"], Child)
     assert isinstance(instance.lst[0], Child)
+
+
+async def test_decimal():
+    test_amts = DocumentWithDecimalField(amt=1, other_amt=2)
+    await test_amts.insert()
+    obj = await DocumentWithDecimalField.get(test_amts.id)
+    assert obj.amt == 1
+    assert obj.other_amt == 2
+
+    test_amts.amt = 6
+    await test_amts.save_changes()
+
+    obj = await DocumentWithDecimalField.get(test_amts.id)
+    assert obj.amt == 6
+
+    test_amts = (await DocumentWithDecimalField.find_all().to_list())[0]
+    test_amts.other_amt = 7
+    await test_amts.save_changes()
+
+    obj = await DocumentWithDecimalField.get(test_amts.id)
+    assert obj.other_amt == 7
diff --git a/tests/odm/test_relations.py b/tests/odm/test_relations.py
index d6bbb9bf..3cdf0430 100644
--- a/tests/odm/test_relations.py
+++ b/tests/odm/test_relations.py
@@ -228,6 +228,13 @@ async def test_prefetch_find_many(self, houses):
 
         assert len(houses) == 3
 
+    async def test_prefect_count(self, houses):
+        c = await House.find(House.door.t > 5, fetch_links=True).count()
+        assert c == 3
+
+        c = await House.find_one(House.door.t > 5, fetch_links=True).count()
+        assert c == 3
+
     async def test_prefetch_find_one(self, house):
         house = await House.find_one(House.name == "test")
         for window in house.windows:
diff --git a/tests/test_beanie.py b/tests/test_beanie.py
index 1d00b7b6..5dbdbe60 100644
--- a/tests/test_beanie.py
+++ b/tests/test_beanie.py
@@ -2,4 +2,4 @@
 
 
 def test_version():
-    assert __version__ == "1.18.0b1"
+    assert __version__ == "1.18.0"