diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4baa4b8323aa502653e7cfeac2bbec66f5e0afaa..f7334504d8b6fb9a51dfaaf45b0c33007073bbad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,14 @@ SPDX-License-Identifier: GPL-3.0-or-later
# Changelog
## Unreleased
-[List of commits](https://git.ufz.de/rdm-software/saqc/-/compare/v2.2.1...develop)
+[List of commits](https://git.ufz.de/rdm-software/saqc/-/compare/v2.3.0...develop)
+### Added
+### Changed
+### Removed
+### Fixed
+
+## [2.3.0](https://git.ufz.de/rdm-software/saqc/-/tags/v2.3.0) - 2023-01-17
+[List of commits](https://git.ufz.de/rdm-software/saqc/-/compare/v2.2.1...v2.3.0)
### Added
- add option to not overwrite existing flags to `concatFlags`
- add option to pass existing axis object to `plot`
@@ -18,6 +25,7 @@ SPDX-License-Identifier: GPL-3.0-or-later
- Renamed `TranslationScheme.backward` to `TranslationScheme.toExternal`
- Changed default value of the parameter `limit` for `SaQC.interpolateIndex` and `SaQC.interpolateInvalid` to ``None``
- Changed default value of the parameter ``overwrite`` for ``concatFlags`` to ``False``
+- Deprecate ``transferFlags`` in favor of ``concatFlags``
### Removed
- python 3.7 support
### Fixed
diff --git a/saqc/funcs/flagtools.py b/saqc/funcs/flagtools.py
index d253dc8ffaa12eaceb8f90af35f65c764a88b0cf..23341ec2b3df61d1beb5b28fb0c86fa798fb5adc 100644
--- a/saqc/funcs/flagtools.py
+++ b/saqc/funcs/flagtools.py
@@ -396,7 +396,15 @@ class FlagtoolsMixin:
0 -inf -inf -inf
1 255.0 255.0 255.0
"""
-
+ import warnings
+
+ warnings.warn(
+ f"""The method 'transferFlags' is deprecated and
+ will be removed in version 2.5 of SaQC. Please use
+ 'SaQC.concatFlags(field={field}, target={target}, method="match", squeeze=False)'
+ instead""",
+ DeprecationWarning
+ )
return self.concatFlags(field, target=target, method="match", squeeze=False)
@flagging()
diff --git a/saqc/version.py b/saqc/version.py
index 3fc91745645de82dd25ce9f476c8eee8b550ba2e..c6bcb9ba1c43f4e3712d66a61aec0dfce5187bb3 100644
--- a/saqc/version.py
+++ b/saqc/version.py
@@ -4,4 +4,4 @@
#
# SPDX-License-Identifier: GPL-3.0-or-later
-__version__ = "2.2.1"
+__version__ = "2.3"
diff --git a/tests/funcs/test_functions.py b/tests/funcs/test_functions.py
index 4ef82002ab488b0322ba50f531fcc03063a38231..53c13a6deac9909b23ae0c85b591fa6a7aa301e8 100644
--- a/tests/funcs/test_functions.py
+++ b/tests/funcs/test_functions.py
@@ -286,9 +286,10 @@ def test_transferFlags():
data = pd.DataFrame({"a": [1, 2], "b": [1, 2], "c": [1, 2]})
qc = saqc.SaQC(data)
qc = qc.flagRange("a", max=1.5)
- qc = qc.transferFlags(["a", "a"], ["b", "c"])
- assert np.all(qc.flags["b"].values == np.array([UNFLAGGED, BAD]))
- assert np.all(qc.flags["c"].values == np.array([UNFLAGGED, BAD]))
+ with pytest.deprecated_call():
+ qc = qc.transferFlags(["a", "a"], ["b", "c"])
+ assert np.all(qc.flags["b"].values == np.array([UNFLAGGED, BAD]))
+ assert np.all(qc.flags["c"].values == np.array([UNFLAGGED, BAD]))
def test_flagJumps():