From bad5abe4a1b57ff8ba38773b3e7c385153ee96ca Mon Sep 17 00:00:00 2001
From: Tyler Sutterley <tsutterl@uw.edu>
Date: Thu, 19 Dec 2024 10:34:13 -0800
Subject: [PATCH] chore: bump version to `2.1.9`

---
 CITATION.cff                                |  4 +--
 doc/source/release_notes/release-v2.1.9.rst | 30 +++++++++++++++++++++
 version.txt                                 |  2 +-
 3 files changed, 33 insertions(+), 3 deletions(-)
 create mode 100644 doc/source/release_notes/release-v2.1.9.rst

diff --git a/CITATION.cff b/CITATION.cff
index 8cf51186..7216e715 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -36,8 +36,8 @@ url: 'https://pytmd.readthedocs.io'
 repository: 'https://pypi.org/project/pyTMD'
 repository-artifact: 'https://anaconda.org/conda-forge/pytmd'
 doi: "10.5281/zenodo.5555395"
-version: "2.1.8"
-date-released: "2024-11-07"
+version: "2.1.9"
+date-released: "2024-12-19"
 keywords:
   - Ocean Tides
   - Load Tides
diff --git a/doc/source/release_notes/release-v2.1.9.rst b/doc/source/release_notes/release-v2.1.9.rst
new file mode 100644
index 00000000..cd5892aa
--- /dev/null
+++ b/doc/source/release_notes/release-v2.1.9.rst
@@ -0,0 +1,30 @@
+##################
+`Release v2.1.9`__
+##################
+
+* ``feat``: add spherical harmonic functions `(#362) <https://github.com/tsutterley/pyTMD/pull/362>`_
+* ``refactor``: move generic ``astro`` functions to ``math.py`` `(#362) <https://github.com/tsutterley/pyTMD/pull/362>`_
+* ``feat``: add function to calculate altitude, azimuth and D `(#362) <https://github.com/tsutterley/pyTMD/pull/362>`_
+* ``test``: add test for unnormalized legendre polynomials `(#362) <https://github.com/tsutterley/pyTMD/pull/362>`_
+* ``test``: moved ``normalize_angle`` test to ``test_math.py`` `(#362) <https://github.com/tsutterley/pyTMD/pull/362>`_
+* ``test``: add ECEF to altaz test at USNO `(#362) <https://github.com/tsutterley/pyTMD/pull/362>`_
+* ``feat``: add calculation of zenith angle `(#363) <https://github.com/tsutterley/pyTMD/pull/363>`_
+* ``test``: add zenith angle test `(#363) <https://github.com/tsutterley/pyTMD/pull/363>`_
+* ``feat``: expose buffer distance to crop tide model data for `#367 <https://github.com/tsutterley/pyTMD/issues/367>`_ `(#368) <https://github.com/tsutterley/pyTMD/pull/368>`_
+* ``feat``: expose buffer distance to crop tide model data for `#367 <https://github.com/tsutterley/pyTMD/issues/367>`_ `(#368) <https://github.com/tsutterley/pyTMD/pull/368>`_
+* ``test``: add constituent parameter test `(#368) <https://github.com/tsutterley/pyTMD/pull/368>`_
+* ``ci``: add windows build for `#98 <https://github.com/tsutterley/pyTMD/issues/98>`_ `(#369) <https://github.com/tsutterley/pyTMD/pull/369>`_
+* ``fix``: omega and phase in constituent parameters `(#369) <https://github.com/tsutterley/pyTMD/pull/369>`_
+* ``refactor``: move body tide Love/Shida numbers to ``arguments`` `(#369) <https://github.com/tsutterley/pyTMD/pull/369>`_
+* ``test``:  create test files from matlab program for comparison `(#369) <https://github.com/tsutterley/pyTMD/pull/369>`_
+* ``fix``: add ``missing_ok`` to deletions in tests `(#369) <https://github.com/tsutterley/pyTMD/pull/369>`_
+* ``fix``: verify that file objects are closed in ``test_spatial`` `(#369) <https://github.com/tsutterley/pyTMD/pull/369>`_
+* ``fix``: latest TMD3 current variable names for `#370 <https://github.com/tsutterley/pyTMD/issues/370>`_ `(#371) <https://github.com/tsutterley/pyTMD/pull/371>`_
+* ``feat``: add tidal aliasing period calculation function `(#371) <https://github.com/tsutterley/pyTMD/pull/371>`_
+* ``fix``: add latitude and longitude as potential dimension names `(#371) <https://github.com/tsutterley/pyTMD/pull/371>`_
+* ``docs``: use ``sphinxcontrib-bibtex`` to build bibliography `(#372) <https://github.com/tsutterley/pyTMD/pull/372>`_
+* ``refactor``: moved check points function to ``compute`` `(#372) <https://github.com/tsutterley/pyTMD/pull/372>`_
+* ``docs``: unify all references to a single page `(#372) <https://github.com/tsutterley/pyTMD/pull/372>`_
+* ``docs``: rearrange toctrees
+
+.. __: https://github.com/tsutterley/pyTMD/releases/tag/2.1.9
diff --git a/version.txt b/version.txt
index ebf14b46..63a1a1ca 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-2.1.8
+2.1.9