Do not deprecate just yet

singer_sdk/configuration/_dict_config.py

@@ -5,7 +5,6 @@
 import logging
 import os
 import typing as t
-import warnings
 from pathlib import Path
 
 from dotenv import find_dotenv
@@ -68,10 +67,10 @@ def parse_environment_config(
                 try:
                     result[config_key] = _parse_array(env_var_value)
                 except Exception:  # noqa: BLE001
-                    warnings.warn(
-                        "Parsing array from deprecated string format 'x,y,z'",
-                        DeprecationWarning,
-                        stacklevel=2,
+                    # TODO(edgarrmondragon): Make this a deprecation warning.
+                    logger.warning(
+                        "Parsing array of the form 'x,y,z' is deprecated and will be "
+                        "removed in future versions.",
                     )
                     result[config_key] = _legacy_parse_array_of_strings(env_var_value)
             elif _typing.is_array_type(schema):

tests/core/configuration/test_dict_config.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import json
+import logging
 import typing as t
 from pathlib import Path
 
@@ -50,7 +51,11 @@ def config_file2(tmpdir) -> str:
     return filepath
 
 
-def test_get_env_var_config(monkeypatch: pytest.MonkeyPatch, subtests: SubTests):
+def test_get_env_var_config(
+    monkeypatch: pytest.MonkeyPatch,
+    subtests: SubTests,
+    caplog: pytest.LogCaptureFixture,
+):
     """Test settings parsing from environment variables."""
     with monkeypatch.context() as m:
         m.setenv("PLUGIN_TEST_PROP1", "hello")
@@ -85,12 +90,17 @@ def test_get_env_var_config(monkeypatch: pytest.MonkeyPatch, subtests: SubTests)
             assert not set.intersection(missing_props, env_config)
 
         m.setenv("PLUGIN_TEST_PROP3", "val1,val2")
-        with subtests.test(msg="Legacy array parsing"), pytest.warns(
-            DeprecationWarning
+        with subtests.test(msg="Legacy array parsing"), caplog.at_level(
+            logging.WARNING,
         ):
             parsed = parse_environment_config(CONFIG_JSONSCHEMA, "PLUGIN_TEST_")
             assert parsed["prop3"] == ["val1", "val2"]
 
+            assert any(
+                "Parsing array of the form 'x,y,z'" in log.message
+                for log in caplog.records
+            )
+
     no_env_config = parse_environment_config(CONFIG_JSONSCHEMA, "PLUGIN_TEST_")
     missing_props = {
         "prop1",