diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
new file mode 100644
index 0000000..380db91
--- /dev/null
+++ b/.devcontainer/devcontainer.json
@@ -0,0 +1,5 @@
+{
+    "name": "ismrmrd-python conda",
+    "image": "condaforge/miniforge3:24.11.3-0",
+    "postCreateCommand": "conda install -y conda-build anaconda-client"
+}
diff --git a/.github/workflows/ismrmrd_python_conda.yml b/.github/workflows/ismrmrd_python_conda.yml
index 8939ba0..1ece7aa 100644
--- a/.github/workflows/ismrmrd_python_conda.yml
+++ b/.github/workflows/ismrmrd_python_conda.yml
@@ -10,10 +10,7 @@ on:
 
 jobs:
   build-conda-packages:
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
       - uses: conda-incubator/setup-miniconda@v3
diff --git a/conda/conda_build_config.yaml b/conda/conda_build_config.yaml
deleted file mode 100644
index a042c9f..0000000
--- a/conda/conda_build_config.yaml
+++ /dev/null
@@ -1,3 +0,0 @@
-python:
-    - 3.10
-    - 3.12
\ No newline at end of file
diff --git a/conda/meta.yaml b/conda/meta.yaml
index dafc854..4d9421e 100644
--- a/conda/meta.yaml
+++ b/conda/meta.yaml
@@ -7,15 +7,18 @@ package:
 source:
   path: ../
 
+build:
+  noarch: python
+
 requirements:
   build:
-    - python {{ python }}
+    - python
     - xsdata>=24.0
     - setuptools
     - pip
 
   run:
-    - python
+    - python >=3.9
     - numpy>=1.22.0
     - h5py>=2.3
     - xsdata>=24.0
diff --git a/setup.py b/setup.py
index c4b284f..b96e3b2 100644
--- a/setup.py
+++ b/setup.py
@@ -66,7 +66,7 @@ def generate_schema(self, schema_filename, config_filename, subpackage_name, out
         shutil.move(subpackage_name, destination)
 
 setup(
-    version='1.14.3',
+    version='1.15.0',
     packages=find_packages(),
     cmdclass={
         'generate_schema': GenerateSchemaCommand
diff --git a/tests/end-to-end/test-reconstruction.sh b/tests/end-to-end/test-reconstruction.sh
index 10f6981..d7a9425 100755
--- a/tests/end-to-end/test-reconstruction.sh
+++ b/tests/end-to-end/test-reconstruction.sh
@@ -2,7 +2,7 @@
 
 set -euo pipefail
 
-ISMRMRD_IMAGE=ghcr.io/ismrmrd/ismrmrd:v1.14.2
+ISMRMRD_IMAGE=ghcr.io/ismrmrd/ismrmrd:v1.15.0
 
 SCRIPT_DIR=$(dirname "${BASH_SOURCE[0]}")
 PROJECT_DIR=$(realpath "${SCRIPT_DIR}/../..")
diff --git a/tests/test_xsd.py b/tests/test_xsd.py
new file mode 100644
index 0000000..5273730
--- /dev/null
+++ b/tests/test_xsd.py
@@ -0,0 +1,53 @@
+import ismrmrd.xsd
+from ismrmrd.xsd.ismrmrdschema import (
+    ismrmrdHeader,
+    experimentalConditionsType,
+    encodingType,
+    encodingSpaceType,
+    matrixSizeType,
+    fieldOfViewMm,
+    encodingLimitsType,
+    trajectoryType,
+)
+
+
+def make_encoding_space(x, y, z, fov_x, fov_y, fov_z):
+    return encodingSpaceType(
+        matrixSize=matrixSizeType(x=x, y=y, z=z),
+        fieldOfView_mm=fieldOfViewMm(x=fov_x, y=fov_y, z=fov_z),
+    )
+
+
+def make_header():
+    return ismrmrdHeader(
+        experimentalConditions=experimentalConditionsType(
+            H1resonanceFrequency_Hz=128000000,
+        ),
+        encoding=[
+            encodingType(
+                encodedSpace=make_encoding_space(256, 256, 1, 300.0, 300.0, 6.0),
+                reconSpace=make_encoding_space(256, 256, 1, 300.0, 300.0, 6.0),
+                encodingLimits=encodingLimitsType(),
+                trajectory=trajectoryType.CARTESIAN,
+            )
+        ],
+    )
+
+
+def test_construct_header():
+    """Constructing ismrmrdHeader and its sub-types using required keyword args should not raise."""
+    header = make_header()
+    assert header.experimentalConditions.H1resonanceFrequency_Hz == 128000000
+    assert len(header.encoding) == 1
+    enc = header.encoding[0]
+    assert enc.trajectory == trajectoryType.CARTESIAN
+    assert enc.encodedSpace.matrixSize.x == 256
+    assert enc.encodedSpace.fieldOfView_mm.z == 6.0
+
+
+def test_header_roundtrip():
+    """A header built from constructors should survive a ToXML -> CreateFromDocument round-trip."""
+    header = make_header()
+    xml = ismrmrd.xsd.ToXML(header)
+    reparsed = ismrmrd.xsd.CreateFromDocument(xml)
+    assert ismrmrd.xsd.ToXML(reparsed) == xml