diff --git a/.gitattributes b/.gitattributes
index 79f44a6b26377..5f47e6acc8eec 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1 +1,2 @@
 docker/**/*.sh text eol=lf
+*.svg binary
diff --git a/superset/config.py b/superset/config.py
index 670c518931078..4e6e84af4c9c4 100644
--- a/superset/config.py
+++ b/superset/config.py
@@ -196,13 +196,6 @@ def _try_json_readsha(filepath: str, length: int) -> str | None:
 # SQLALCHEMY_DATABASE_URI = 'mysql://myapp@localhost/myapp'
 # SQLALCHEMY_DATABASE_URI = 'postgresql://root:password@localhost/myapp'
 
-# The default MySQL isolation level is REPEATABLE READ whereas the default PostgreSQL
-# isolation level is READ COMMITTED. All backends should use READ COMMITTED (or similar)
-# to help ensure consistent behavior.
-SQLALCHEMY_ENGINE_OPTIONS = {
-    "isolation_level": "SERIALIZABLE",  # SQLite does not support READ COMMITTED.
-}
-
 # In order to hook up a custom password store for all SQLALCHEMY connections
 # implement a function that takes a single argument of type 'sqla.engine.url',
 # returns a password and set SQLALCHEMY_CUSTOM_PASSWORD_STORE.
diff --git a/superset/initialization/__init__.py b/superset/initialization/__init__.py
index 2601cda9d7da7..4ed4d82eb1eee 100644
--- a/superset/initialization/__init__.py
+++ b/superset/initialization/__init__.py
@@ -482,12 +482,24 @@ def init_app(self) -> None:
         self.configure_wtf()
         self.configure_middlewares()
         self.configure_cache()
+        self.set_db_default_isolation()
 
         with self.superset_app.app_context():
             self.init_app_in_ctx()
 
         self.post_init()
 
+    def set_db_default_isolation(self) -> None:
+        # This block sets the default isolation level for mysql to READ COMMITTED if not
+        # specified in the config. You can set your isolation in the config by using
+        # SQLALCHEMY_ENGINE_OPTIONS
+        eng_options = self.config["SQLALCHEMY_ENGINE_OPTIONS"] or {}
+        isolation_level = eng_options.get("isolation_level")
+        if not isolation_level and self.config["SQLALCHEMY_DATABASE_URI"].startswith(
+            "mysql"
+        ):
+            db.engine.execution_options(isolation_level="READ COMMITTED")
+
     def configure_auth_provider(self) -> None:
         machine_auth_provider_factory.init_app(self.superset_app)