Merge branch 'master' of github.com:mongodb/mongo-python-driver into refactor-scripts

Author: blink1073

.evergreen/generated_configs/variants.yml

@@ -9,9 +9,9 @@ buildvariants:
     batchtime: 1440
     expansions:
       VERSION: latest
-      PYTHON_BINARY: /usr/bin/python3.11
       NO_EXT: "1"
       REQUIRE_FIPS: "1"
+      PYTHON_BINARY: /usr/bin/python3.11
     tags: []
   - name: other-hosts-rhel8-zseries-latest
     tasks:
@@ -22,7 +22,6 @@ buildvariants:
     batchtime: 1440
     expansions:
       VERSION: latest
-      PYTHON_BINARY: /usr/bin/python3.11
       NO_EXT: "1"
     tags: []
   - name: other-hosts-rhel8-power8-latest
@@ -34,7 +33,6 @@ buildvariants:
     batchtime: 1440
     expansions:
       VERSION: latest
-      PYTHON_BINARY: /usr/bin/python3.11
       NO_EXT: "1"
     tags: []
   - name: other-hosts-rhel8-arm64-latest
@@ -46,7 +44,6 @@ buildvariants:
     batchtime: 1440
     expansions:
       VERSION: latest
-      PYTHON_BINARY: /usr/bin/python3.11
       NO_EXT: "1"
     tags: []
   - name: other-hosts-amazon2023-latest
@@ -58,7 +55,6 @@ buildvariants:
     batchtime: 1440
     expansions:
       VERSION: latest
-      PYTHON_BINARY: /usr/bin/python3.11
       NO_EXT: "1"
     tags: [pr]
 

.evergreen/scripts/generate_config.py

@@ -469,13 +469,14 @@ def create_alternative_hosts_variants():
 
     version = "latest"
     for host_name in OTHER_HOSTS:
-        # Use explicit Python 3.11 binary on the host since the default python3 is 3.9.
-        expansions = dict(VERSION="latest", PYTHON_BINARY="/usr/bin/python3.11")
+        expansions = dict(VERSION="latest")
         handle_c_ext(C_EXTS[0], expansions)
         host = HOSTS[host_name]
         tags = []
         if "fips" in host_name.lower():
             expansions["REQUIRE_FIPS"] = "1"
+            # Use explicit Python 3.11 binary on the host since the default python3 is 3.9.
+            expansions["PYTHON_BINARY"] = "/usr/bin/python3.11"
         if "amazon" in host_name.lower():
             tags.append("pr")
         variants.append(

doc/changelog.rst

@@ -17,6 +17,24 @@ PyMongo 4.16 brings a number of changes including:
 - Removed support for Eventlet.
   Eventlet is actively being sunset by its maintainers and has compatibility issues with PyMongo's dnspython dependency.
 
+Changes in Version 4.15.3 (2025/10/07)
+--------------------------------------
+
+Version 4.15.3 is a bug fix release.
+
+- Fixed a memory leak when raising :class:`bson.errors.InvalidDocument` with C extensions.
+- Fixed the return type of the  :meth:`~pymongo.asynchronous.collection.AsyncCollection.distinct`,
+  :meth:`~pymongo.synchronous.collection.Collection.distinct`, :meth:`pymongo.asynchronous.cursor.AsyncCursor.distinct`,
+  and :meth:`pymongo.asynchronous.cursor.AsyncCursor.distinct` methods.
+
+Issues Resolved
+...............
+
+See the `PyMongo 4.15.3 release notes in JIRA`_ for the list of resolved issues
+in this release.
+
+.. _PyMongo 4.15.3 release notes in JIRA: https://jira.mongodb.org/secure/ReleaseNote.jspa?projectId=10004&version=47293
+
 Changes in Version 4.15.2 (2025/10/01)
 --------------------------------------