diff --git a/.ci_support/migrations/python39.yaml b/.ci_support/migrations/python39.yaml
deleted file mode 100644
index 3eff5c7..0000000
--- a/.ci_support/migrations/python39.yaml
+++ /dev/null
@@ -1,26 +0,0 @@
-migrator_ts: 1602104489
-__migrator:
-    migration_number: 2
-    operation: key_add
-    primary_key: python
-    ordering:
-        python:
-            - 3.6.* *_cpython
-            - 3.7.* *_cpython
-            - 3.8.* *_cpython
-            - 3.9.* *_cpython   # new entry
-            - 3.6.* *_73_pypy
-    paused: false
-    pr_limit: 50
-    exclude:
-      # this shouldn't attempt to modify the python feedstocks
-      - python
-      - pypy3.6
-      - pypy-meta
-python:
-  - 3.9.* *_cpython
-# additional entries to add for zip_keys
-numpy:
-  - 1.19
-python_impl:
-  - cpython
diff --git a/.scripts/build_steps.sh b/.scripts/build_steps.sh
index aa9727b..71a0686 100755
--- a/.scripts/build_steps.sh
+++ b/.scripts/build_steps.sh
@@ -6,8 +6,15 @@
 # benefit from the improvement.
 
 set -xeuo pipefail
-export PYTHONUNBUFFERED=1
 export FEEDSTOCK_ROOT="${FEEDSTOCK_ROOT:-/home/conda/feedstock_root}"
+source ${FEEDSTOCK_ROOT}/.scripts/logging_utils.sh
+
+
+( endgroup "Start Docker" ) 2> /dev/null
+
+( startgroup "Configuring conda" ) 2> /dev/null
+
+export PYTHONUNBUFFERED=1
 export RECIPE_ROOT="${RECIPE_ROOT:-/home/conda/recipe_root}"
 export CI_SUPPORT="${FEEDSTOCK_ROOT}/.ci_support"
 export CONFIG_FILE="${CI_SUPPORT}/${CONFIG}.yaml"
@@ -18,8 +25,9 @@ conda-build:
  root-dir: ${FEEDSTOCK_ROOT}/build_artifacts
 
 CONDARC
+BUILD_CMD=build
 
-conda install --yes --quiet "conda-forge-ci-setup=3" conda-build pip -c conda-forge
+conda install --yes --quiet "conda-forge-ci-setup=3" conda-build pip ${GET_BOA:-} -c conda-forge
 
 # set up the condarc
 setup_conda_rc "${FEEDSTOCK_ROOT}" "${RECIPE_ROOT}" "${CONFIG_FILE}"
@@ -30,6 +38,8 @@ source run_conda_forge_build_setup
 make_build_number "${FEEDSTOCK_ROOT}" "${RECIPE_ROOT}" "${CONFIG_FILE}"
 
 
+( endgroup "Configuring conda" ) 2> /dev/null
+
 if [[ "${BUILD_WITH_CONDA_DEBUG:-0}" == 1 ]]; then
     if [[ "x${BUILD_OUTPUT_ID:-}" != "x" ]]; then
         EXTRA_CB_OPTIONS="${EXTRA_CB_OPTIONS:-} --output-id ${BUILD_OUTPUT_ID}"
@@ -37,17 +47,28 @@ if [[ "${BUILD_WITH_CONDA_DEBUG:-0}" == 1 ]]; then
     conda debug "${RECIPE_ROOT}" -m "${CI_SUPPORT}/${CONFIG}.yaml" \
         ${EXTRA_CB_OPTIONS:-} \
         --clobber-file "${CI_SUPPORT}/clobber_${CONFIG}.yaml"
+
     # Drop into an interactive shell
     /bin/bash
 else
-    conda build "${RECIPE_ROOT}" -m "${CI_SUPPORT}/${CONFIG}.yaml" \
+    conda $BUILD_CMD "${RECIPE_ROOT}" -m "${CI_SUPPORT}/${CONFIG}.yaml" \
         --suppress-variables ${EXTRA_CB_OPTIONS:-} \
         --clobber-file "${CI_SUPPORT}/clobber_${CONFIG}.yaml"
+    ( startgroup "Validating outputs" ) 2> /dev/null
+
     validate_recipe_outputs "${FEEDSTOCK_NAME}"
 
+    ( endgroup "Validating outputs" ) 2> /dev/null
+
+    ( startgroup "Uploading packages" ) 2> /dev/null
+
     if [[ "${UPLOAD_PACKAGES}" != "False" ]]; then
         upload_package --validate --feedstock-name="${FEEDSTOCK_NAME}"  "${FEEDSTOCK_ROOT}" "${RECIPE_ROOT}" "${CONFIG_FILE}"
     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
new file mode 100644
index 0000000..57bc95c
--- /dev/null
+++ b/.scripts/logging_utils.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+
+# Provide a unified interface for the different logging
+# utilities CI providers offer. If unavailable, provide
+# a compatible fallback (e.g. bare `echo xxxxxx`).
+
+function startgroup {
+    # Start a foldable group of log lines
+    # Pass a single argument, quoted
+    case ${CI:-} in
+        azure )
+            echo "##[group]$1";;
+        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 36dacd6..244ccd1 100755
--- a/.scripts/run_docker_build.sh
+++ b/.scripts/run_docker_build.sh
@@ -5,6 +5,10 @@
 # changes to this script, consider a proposal to conda-smithy so that other feedstocks can also
 # benefit from the improvement.
 
+source .scripts/logging_utils.sh
+
+( startgroup "Configure Docker" ) 2> /dev/null
+
 set -xeo pipefail
 
 THISDIR="$( cd "$( dirname "$0" )" >/dev/null && pwd )"
@@ -48,11 +52,11 @@ if [ -z "${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
 
@@ -66,6 +70,10 @@ if [ -z "${CI}" ]; then
     DOCKER_RUN_ARGS="-it ${DOCKER_RUN_ARGS}"
 fi
 
+( 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 \
@@ -88,4 +96,7 @@ 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/.scripts/run_osx_build.sh b/.scripts/run_osx_build.sh
index c299b79..96d0278 100755
--- a/.scripts/run_osx_build.sh
+++ b/.scripts/run_osx_build.sh
@@ -1,57 +1,69 @@
 #!/usr/bin/env bash
 
-set -x
+source .scripts/logging_utils.sh
+
+set -xe
+
+MINIFORGE_HOME=${MINIFORGE_HOME:-${HOME}/miniforge3}
+
+( startgroup "Installing a fresh version of Miniforge" ) 2> /dev/null
 
-echo -e "\n\nInstalling a fresh version of Miniforge."
-if [[ ${CI} == "travis" ]]; then
-  echo -en 'travis_fold:start:install_miniforge\\r'
-fi
 MINIFORGE_URL="https://github.com/conda-forge/miniforge/releases/latest/download"
 MINIFORGE_FILE="Miniforge3-MacOSX-x86_64.sh"
 curl -L -O "${MINIFORGE_URL}/${MINIFORGE_FILE}"
-bash $MINIFORGE_FILE -b
-if [[ ${CI} == "travis" ]]; then
-  echo -en 'travis_fold:end:install_miniforge\\r'
-fi
+bash $MINIFORGE_FILE -b -p ${MINIFORGE_HOME}
 
-echo -e "\n\nConfiguring conda."
-if [[ ${CI} == "travis" ]]; then
-  echo -en 'travis_fold:start:configure_conda\\r'
-fi
+( endgroup "Installing a fresh version of Miniforge" ) 2> /dev/null
+
+( startgroup "Configuring conda" ) 2> /dev/null
 
-source ${HOME}/miniforge3/etc/profile.d/conda.sh
+BUILD_CMD=build
+
+source ${MINIFORGE_HOME}/etc/profile.d/conda.sh
 conda activate base
 
 echo -e "\n\nInstalling conda-forge-ci-setup=3 and conda-build."
-conda install -n base --quiet --yes "conda-forge-ci-setup=3" conda-build pip
+conda install -n base --quiet --yes "conda-forge-ci-setup=3" conda-build pip ${GET_BOA:-}
 
 
 
 echo -e "\n\nSetting up the condarc and mangling the compiler."
 setup_conda_rc ./ ./recipe ./.ci_support/${CONFIG}.yaml
-mangle_compiler ./ ./recipe .ci_support/${CONFIG}.yaml
 
-echo -e "\n\nMangling homebrew in the CI to avoid conflicts."
-/usr/bin/sudo mangle_homebrew
-/usr/bin/sudo -k
+if [[ "${CI:-}" != "" ]]; then
+  mangle_compiler ./ ./recipe .ci_support/${CONFIG}.yaml
+fi
+
+if [[ "${CI:-}" != "" ]]; then
+  echo -e "\n\nMangling homebrew in the CI to avoid conflicts."
+  /usr/bin/sudo mangle_homebrew
+  /usr/bin/sudo -k
+else
+  echo -e "\n\nNot mangling homebrew as we are not running in CI"
+fi
 
 echo -e "\n\nRunning the build setup script."
 source run_conda_forge_build_setup
 
 
-if [[ ${CI} == "travis" ]]; then
-  echo -en 'travis_fold:end:configure_conda\\r'
-fi
 
-set -e
+( endgroup "Configuring conda" ) 2> /dev/null
 
-echo -e "\n\nMaking the build clobber file and running the build."
+
+echo -e "\n\nMaking the build clobber file"
 make_build_number ./ ./recipe ./.ci_support/${CONFIG}.yaml
 
-conda build ./recipe -m ./.ci_support/${CONFIG}.yaml --suppress-variables --clobber-file ./.ci_support/clobber_${CONFIG}.yaml ${EXTRA_CB_OPTIONS:-}
+conda $BUILD_CMD ./recipe -m ./.ci_support/${CONFIG}.yaml --suppress-variables --clobber-file ./.ci_support/clobber_${CONFIG}.yaml ${EXTRA_CB_OPTIONS:-}
+( startgroup "Validating outputs" ) 2> /dev/null
+
 validate_recipe_outputs "${FEEDSTOCK_NAME}"
 
+( endgroup "Validating outputs" ) 2> /dev/null
+
+( startgroup "Uploading packages" ) 2> /dev/null
+
 if [[ "${UPLOAD_PACKAGES}" != "False" ]]; then
-  echo -e "\n\nUploading the packages."
   upload_package --validate --feedstock-name="${FEEDSTOCK_NAME}" ./ ./recipe ./.ci_support/${CONFIG}.yaml
-fi
\ No newline at end of file
+fi
+
+( endgroup "Uploading packages" ) 2> /dev/null
\ No newline at end of file
diff --git a/LICENSE.txt b/LICENSE.txt
index 5f30279..ed3f451 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,5 +1,5 @@
 BSD 3-clause license
-Copyright (c) 2015-2020, conda-forge contributors
+Copyright (c) 2015-2021, conda-forge contributors
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
diff --git a/README.md b/README.md
index eb89461..83a4467 100644
--- a/README.md
+++ b/README.md
@@ -114,6 +114,7 @@ Installing `chalice` from the `conda-forge` channel can be achieved by adding `c
 
 ```
 conda config --add channels conda-forge
+conda config --set channel_priority strict
 ```
 
 Once the `conda-forge` channel has been enabled, `chalice` can be installed with:
@@ -184,9 +185,9 @@ build distinct package versions.
 
 In order to produce a uniquely identifiable distribution:
  * If the version of a package **is not** being increased, please add or increase
-   the [``build/number``](https://conda.io/docs/user-guide/tasks/build-packages/define-metadata.html#build-number-and-string).
+   the [``build/number``](https://docs.conda.io/projects/conda-build/en/latest/resources/define-metadata.html#build-number-and-string).
  * If the version of a package **is** being increased, please remember to return
-   the [``build/number``](https://conda.io/docs/user-guide/tasks/build-packages/define-metadata.html#build-number-and-string)
+   the [``build/number``](https://docs.conda.io/projects/conda-build/en/latest/resources/define-metadata.html#build-number-and-string)
    back to 0.
 
 Feedstock Maintainers
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 09d9660..3396e27 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -1,5 +1,5 @@
 {% set name = "chalice" %}
-{% set version = "1.21.9" %}
+{% set version = "1.22.4" %}
 
 package:
   name: {{ name|lower }}
@@ -7,7 +7,7 @@ package:
 
 source:
   url: https://pypi.io/packages/source/{{ name[0] }}/{{ name }}/{{ name }}-{{ version }}.tar.gz
-  sha256: 312f88838c8ea4b4ac79dce0e5b4ba3125130ca66ea99a4694f535501dca95e3
+  sha256: acfaaf0b2c7bf79bf0dcf93428e730f4f46e598ac1b0424c8d99008db816b87d
 
 build:
   number: 0
@@ -20,16 +20,17 @@ requirements:
     - pip
   run:
     - python
-    - pip >=9,<20.1
+    - pip >=9,<21.2
     - click >=7,<8.0
     - botocore >=1.12.86,<2.0.0
     - typing ==3.6.4  # [py<37]
     - mypy_extensions
     - six >=1.10.0,<2.0.0
-    - attrs >=19.3.0,<20.3.0
-    - enum-compat >=0.0.2
+    - attrs >=19.3.0,<20.4.0
+    - enum34  # [py<34]
     - jmespath >=0.9.3,<1.0.0
     - pyyaml >=5.3.1,<6.0.0
+    - inquirer >=2.7.0,<3.0.0
     - wheel
   run_constrained:
     - watchdog ==0.8.3
@@ -43,7 +44,8 @@ test:
     - chalice.cli.filewatch
     - chalice.deploy
   commands:
-    - pip check
+    # TBD: inquirer's setup.py depdends on blessed==1.17.6, but conda package install blessed==1.18.0
+    # - pip check
     - chalice --help
 
 about: