diff --git a/.azure-pipelines/azure-pipelines-linux.yml b/.azure-pipelines/azure-pipelines-linux.yml
index 3557622..a87d082 100755
--- a/.azure-pipelines/azure-pipelines-linux.yml
+++ b/.azure-pipelines/azure-pipelines-linux.yml
@@ -5,7 +5,7 @@
 jobs:
 - job: linux
   pool:
-    vmImage: ubuntu-16.04
+    vmImage: ubuntu-latest
   strategy:
     matrix:
       linux_64_:
diff --git a/.scripts/build_steps.sh b/.scripts/build_steps.sh
index 5168c5f..fa3c6e4 100755
--- a/.scripts/build_steps.sh
+++ b/.scripts/build_steps.sh
@@ -10,9 +10,10 @@ export FEEDSTOCK_ROOT="${FEEDSTOCK_ROOT:-/home/conda/feedstock_root}"
 source ${FEEDSTOCK_ROOT}/.scripts/logging_utils.sh
 
 
-endgroup "Start Docker"
+( endgroup "Start Docker" ) 2> /dev/null
+
+( startgroup "Configuring conda" ) 2> /dev/null
 
-startgroup "Configuring conda"
 export PYTHONUNBUFFERED=1
 export RECIPE_ROOT="${RECIPE_ROOT:-/home/conda/recipe_root}"
 export CI_SUPPORT="${FEEDSTOCK_ROOT}/.ci_support"
@@ -36,31 +37,33 @@ source run_conda_forge_build_setup
 # make the build number clobber
 make_build_number "${FEEDSTOCK_ROOT}" "${RECIPE_ROOT}" "${CONFIG_FILE}"
 
-endgroup "Configuring conda"
+
+( endgroup "Configuring conda" ) 2> /dev/null
 
 if [[ "${BUILD_WITH_CONDA_DEBUG:-0}" == 1 ]]; then
-    startgroup "Running conda debug"
     if [[ "x${BUILD_OUTPUT_ID:-}" != "x" ]]; then
         EXTRA_CB_OPTIONS="${EXTRA_CB_OPTIONS:-} --output-id ${BUILD_OUTPUT_ID}"
     fi
     conda debug "${RECIPE_ROOT}" -m "${CI_SUPPORT}/${CONFIG}.yaml" \
         ${EXTRA_CB_OPTIONS:-} \
         --clobber-file "${CI_SUPPORT}/clobber_${CONFIG}.yaml"
-    endgroup "Running conda debug"
+
     # Drop into an interactive shell
     /bin/bash
 else
-    startgroup "Running conda $BUILD_CMD"
     conda $BUILD_CMD "${RECIPE_ROOT}" -m "${CI_SUPPORT}/${CONFIG}.yaml" \
         --suppress-variables ${EXTRA_CB_OPTIONS:-} \
         --clobber-file "${CI_SUPPORT}/clobber_${CONFIG}.yaml"
-    endgroup "Running conda build"
+
+    ( startgroup "Uploading packages" ) 2> /dev/null
 
     if [[ "${UPLOAD_PACKAGES}" != "False" ]]; then
-        startgroup "Uploading packages"
         upload_package  "${FEEDSTOCK_ROOT}" "${RECIPE_ROOT}" "${CONFIG_FILE}"
-        endgroup "Uploading packages"
     fi
+
+    ( endgroup "Uploading packages" ) 2> /dev/null
 fi
 
+( startgroup "Final checks" ) 2> /dev/null
+
 touch "${FEEDSTOCK_ROOT}/build_artifacts/conda-forge-build-done-${CONFIG}"
\ No newline at end of file
diff --git a/.scripts/logging_utils.sh b/.scripts/logging_utils.sh
index a53ef3f..57bc95c 100644
--- a/.scripts/logging_utils.sh
+++ b/.scripts/logging_utils.sh
@@ -13,18 +13,23 @@ function startgroup {
         travis )
             echo "$1"
             echo -en 'travis_fold:start:'"${1// /}"'\\r';;
+        github_actions )
+            echo "::group::$1";;
         * )
             echo "$1";;
     esac
-}
+} 2> /dev/null
 
 function endgroup {
     # End a foldable group of log lines
     # Pass a single argument, quoted
+
     case ${CI:-} in
         azure )
             echo "##[endgroup]";;
         travis )
             echo -en 'travis_fold:end:'"${1// /}"'\\r';;
+        github_actions )
+            echo "::endgroup::";;
     esac
-}
+} 2> /dev/null
diff --git a/.scripts/run_docker_build.sh b/.scripts/run_docker_build.sh
index a6a1eea..ba7211b 100755
--- a/.scripts/run_docker_build.sh
+++ b/.scripts/run_docker_build.sh
@@ -7,7 +7,7 @@
 
 source .scripts/logging_utils.sh
 
-startgroup "Configure Docker"
+( startgroup "Configure Docker" ) 2> /dev/null
 
 set -xeo pipefail
 
@@ -52,11 +52,11 @@ if [ -z "${DOCKER_IMAGE}" ]; then
         echo "WARNING: DOCKER_IMAGE variable not set and shyaml not installed. Trying to parse with coreutils"
         DOCKER_IMAGE=$(cat .ci_support/${CONFIG}.yaml | grep '^docker_image:$' -A 1 | tail -n 1 | cut -b 3-)
         if [ "${DOCKER_IMAGE}" = "" ]; then
-            echo "No docker_image entry found in ${CONFIG}. Falling back to condaforge/linux-anvil-comp7"
-            DOCKER_IMAGE="condaforge/linux-anvil-comp7"
+            echo "No docker_image entry found in ${CONFIG}. Falling back to quay.io/condaforge/linux-anvil-comp7"
+            DOCKER_IMAGE="quay.io/condaforge/linux-anvil-comp7"
         fi
     else
-        DOCKER_IMAGE="$(cat "${FEEDSTOCK_ROOT}/.ci_support/${CONFIG}.yaml" | shyaml get-value docker_image.0 condaforge/linux-anvil-comp7 )"
+        DOCKER_IMAGE="$(cat "${FEEDSTOCK_ROOT}/.ci_support/${CONFIG}.yaml" | shyaml get-value docker_image.0 quay.io/condaforge/linux-anvil-comp7 )"
     fi
 fi
 
@@ -69,9 +69,11 @@ DOCKER_RUN_ARGS="${CONDA_FORGE_DOCKER_RUN_ARGS}"
 if [ -z "${CI}" ]; then
     DOCKER_RUN_ARGS="-it ${DOCKER_RUN_ARGS}"
 fi
-endgroup "Configure Docker"
 
-startgroup "Start Docker"
+( endgroup "Configure Docker" ) 2> /dev/null
+
+( startgroup "Start Docker" ) 2> /dev/null
+
 export UPLOAD_PACKAGES="${UPLOAD_PACKAGES:-True}"
 docker run ${DOCKER_RUN_ARGS} \
            -v "${RECIPE_ROOT}":/home/conda/recipe_root:rw,z,delegated \
@@ -92,4 +94,7 @@ docker run ${DOCKER_RUN_ARGS} \
            /home/conda/feedstock_root/${PROVIDER_DIR}/build_steps.sh
 
 # verify that the end of the script was reached
-test -f "$DONE_CANARY"
\ No newline at end of file
+test -f "$DONE_CANARY"
+
+# This closes the last group opened in `build_steps.sh`
+( endgroup "Final checks" ) 2> /dev/null
\ No newline at end of file
diff --git a/README.md b/README.md
index 790fcb2..4686e48 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,7 @@ Installing `lmfit` from the `nsls2forge` channel can be achieved by adding `nsls
 
 ```
 conda config --add channels nsls2forge
+conda config --set channel_priority strict
 ```
 
 Once the `nsls2forge` channel has been enabled, `lmfit` can be installed with:
diff --git a/build-locally.py b/build-locally.py
index 3453cfe..00eeb34 100755
--- a/build-locally.py
+++ b/build-locally.py
@@ -7,6 +7,7 @@
 import glob
 import subprocess
 from argparse import ArgumentParser
+import platform
 
 
 def setup_environment(ns):
@@ -16,6 +17,10 @@ def setup_environment(ns):
         os.environ["BUILD_WITH_CONDA_DEBUG"] = "1"
         if ns.output_id:
             os.environ["BUILD_OUTPUT_ID"] = ns.output_id
+    if "MINIFORGE_HOME" not in os.environ:
+        os.environ["MINIFORGE_HOME"] = os.path.join(
+            os.path.dirname(__file__), "miniforge3"
+        )
 
 
 def run_docker_build(ns):
@@ -23,6 +28,11 @@ def run_docker_build(ns):
     subprocess.check_call([script])
 
 
+def run_osx_build(ns):
+    script = ".scripts/run_osx_build.sh"
+    subprocess.check_call([script])
+
+
 def verify_config(ns):
     valid_configs = {
         os.path.basename(f)[:-5] for f in glob.glob(".ci_support/*.yaml")
@@ -46,10 +56,16 @@ def verify_config(ns):
     else:
         raise ValueError("config " + ns.config + " is not valid")
     # Remove the following, as implemented
-    if not ns.config.startswith("linux"):
+    if ns.config.startswith("win"):
         raise ValueError(
-            f"only Linux configs currently supported, got {ns.config}"
+            f"only Linux/macOS configs currently supported, got {ns.config}"
         )
+    elif ns.config.startswith("osx") and platform.system() == "Darwin":
+        if "OSX_SDK_DIR" not in os.environ:
+            raise RuntimeError(
+                "Need OSX_SDK_DIR env variable set. Run 'export OSX_SDK_DIR=/opt'"
+                "to download the SDK automatically to '/opt/MacOSX<ver>.sdk'"
+            )
 
 
 def main(args=None):
@@ -68,7 +84,12 @@ def main(args=None):
     verify_config(ns)
     setup_environment(ns)
 
-    run_docker_build(ns)
+    if ns.config.startswith("linux") or (
+        ns.config.startswith("osx") and platform.system() == "Linux"
+    ):
+        run_docker_build(ns)
+    elif ns.config.startswith("osx"):
+        run_osx_build(ns)
 
 
 if __name__ == "__main__":
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 002b265..d536724 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -1,6 +1,6 @@
 {% set name = "lmfit" %}
-{% set version = "1.0.2" %}
-{% set sha256 = "67090ce56685cf7f92bd7358a1e7d4ad862b3758988109ec440e9825e5184b45" %}
+{% set version = "1.0.3" %}
+{% set sha256 = "d067c3ea501f035af5d3c079e6e6e35dc3cc1ac7d439429a425b0aeb5a7858a2" %}
 
 package:
   name: {{ name|lower }}