diff --git a/.azure-pipelines/azure-pipelines-linux.yml b/.azure-pipelines/azure-pipelines-linux.yml
index a08645b..cf25e1d 100755
--- a/.azure-pipelines/azure-pipelines-linux.yml
+++ b/.azure-pipelines/azure-pipelines-linux.yml
@@ -36,6 +36,9 @@ jobs:
 
   - script: |
         export CI=azure
+        export flow_run_id=azure_$(Build.BuildNumber).$(System.JobAttempt)
+        export remote_url=$(Build.Repository.Uri)
+        export sha=$(Build.SourceVersion)
         export GIT_BRANCH=$BUILD_SOURCEBRANCHNAME
         export FEEDSTOCK_NAME=$(basename ${BUILD_REPOSITORY_NAME})
         if [[ "${BUILD_REASON:-}" == "PullRequest" ]]; then
diff --git a/.azure-pipelines/azure-pipelines-osx.yml b/.azure-pipelines/azure-pipelines-osx.yml
index a550455..23d810a 100755
--- a/.azure-pipelines/azure-pipelines-osx.yml
+++ b/.azure-pipelines/azure-pipelines-osx.yml
@@ -22,6 +22,9 @@ jobs:
   # TODO: Fast finish on azure pipelines?
   - script: |
       export CI=azure
+      export flow_run_id=azure_$(Build.BuildNumber).$(System.JobAttempt)
+      export remote_url=$(Build.Repository.Uri)
+      export sha=$(Build.SourceVersion)
       export OSX_FORCE_SDK_DOWNLOAD="1"
       export GIT_BRANCH=$BUILD_SOURCEBRANCHNAME
       export FEEDSTOCK_NAME=$(basename ${BUILD_REPOSITORY_NAME})
diff --git a/.gitignore b/.gitignore
index c89ecb7..179afe5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,24 @@
-*.pyc
+# User content belongs under recipe/.
+# Feedstock configuration goes in `conda-forge.yml`
+# Everything else is managed by the conda-smithy rerender process.
+# Please do not modify
+
+# Ignore all files and folders in root
+*
+!/conda-forge.yml
+
+# Don't ignore any files/folders if the parent folder is 'un-ignored'
+# This also avoids warnings when adding an already-checked file with an ignored parent.
+!/**/
+# Don't ignore any files/folders recursively in the following folders
+!/recipe/**
+!/.ci_support/**
 
-build_artifacts
+# Since we ignore files/folders recursively, any folders inside
+# build_artifacts gets ignored which trips some build systems.
+# To avoid that we 'un-ignore' all files/folders recursively
+# and only ignore the root build_artifacts folder.
+!/build_artifacts/**
+/build_artifacts
+
+*.pyc
diff --git a/.scripts/build_steps.sh b/.scripts/build_steps.sh
index bd9e671..9121002 100755
--- a/.scripts/build_steps.sh
+++ b/.scripts/build_steps.sh
@@ -28,13 +28,15 @@ conda-build:
 pkgs_dirs:
   - ${FEEDSTOCK_ROOT}/build_artifacts/pkg_cache
   - /opt/conda/pkgs
+solver: libmamba
 
 CONDARC
+export CONDA_LIBMAMBA_SOLVER_NO_CHANNELS_FROM_INSTALLED=1
 
 mamba install --update-specs --yes --quiet --channel conda-forge --strict-channel-priority \
-    pip mamba conda-build boa conda-forge-ci-setup=3
+    pip mamba conda-build conda-forge-ci-setup=4 "conda-build>=24.1"
 mamba update --update-specs --yes --quiet --channel conda-forge --strict-channel-priority \
-    pip mamba conda-build boa conda-forge-ci-setup=3
+    pip mamba conda-build conda-forge-ci-setup=4 "conda-build>=24.1"
 
 # set up the condarc
 setup_conda_rc "${FEEDSTOCK_ROOT}" "${RECIPE_ROOT}" "${CONFIG_FILE}"
@@ -66,9 +68,10 @@ if [[ "${BUILD_WITH_CONDA_DEBUG:-0}" == 1 ]]; then
     # Drop into an interactive shell
     /bin/bash
 else
-    conda mambabuild "${RECIPE_ROOT}" -m "${CI_SUPPORT}/${CONFIG}.yaml" \
+    conda build "${RECIPE_ROOT}" -m "${CI_SUPPORT}/${CONFIG}.yaml" \
         --suppress-variables ${EXTRA_CB_OPTIONS:-} \
-        --clobber-file "${CI_SUPPORT}/clobber_${CONFIG}.yaml"
+        --clobber-file "${CI_SUPPORT}/clobber_${CONFIG}.yaml" \
+        --extra-meta flow_run_id="${flow_run_id:-}" remote_url="${remote_url:-}" sha="${sha:-}"
     ( startgroup "Validating outputs" ) 2> /dev/null
 
     validate_recipe_outputs "${FEEDSTOCK_NAME}"
diff --git a/.scripts/run_docker_build.sh b/.scripts/run_docker_build.sh
index 9236239..00f377a 100755
--- a/.scripts/run_docker_build.sh
+++ b/.scripts/run_docker_build.sh
@@ -21,6 +21,12 @@ if [ -z ${FEEDSTOCK_NAME} ]; then
     export FEEDSTOCK_NAME=$(basename ${FEEDSTOCK_ROOT})
 fi
 
+if [[ "${sha:-}" == "" ]]; then
+  pushd "${FEEDSTOCK_ROOT}"
+  sha=$(git rev-parse HEAD)
+  popd
+fi
+
 docker info
 
 # In order for the conda-build process in the container to write to the mounted
@@ -91,6 +97,9 @@ docker run ${DOCKER_RUN_ARGS} \
            -e CPU_COUNT \
            -e BUILD_WITH_CONDA_DEBUG \
            -e BUILD_OUTPUT_ID \
+           -e flow_run_id \
+           -e remote_url \
+           -e sha \
            -e BINSTAR_TOKEN \
            -e FEEDSTOCK_TOKEN \
            -e STAGING_BINSTAR_TOKEN \
diff --git a/.scripts/run_osx_build.sh b/.scripts/run_osx_build.sh
index 870c49a..16daa69 100755
--- a/.scripts/run_osx_build.sh
+++ b/.scripts/run_osx_build.sh
@@ -22,11 +22,13 @@ bash $MINIFORGE_FILE -b -p ${MINIFORGE_HOME}
 
 source ${MINIFORGE_HOME}/etc/profile.d/conda.sh
 conda activate base
+export CONDA_SOLVER="libmamba"
+export CONDA_LIBMAMBA_SOLVER_NO_CHANNELS_FROM_INSTALLED=1
 
 mamba install --update-specs --quiet --yes --channel conda-forge --strict-channel-priority \
-    pip mamba conda-build boa conda-forge-ci-setup=3
+    pip mamba conda-build conda-forge-ci-setup=4 "conda-build>=24.1"
 mamba update --update-specs --yes --quiet --channel conda-forge --strict-channel-priority \
-    pip mamba conda-build boa conda-forge-ci-setup=3
+    pip mamba conda-build conda-forge-ci-setup=4 "conda-build>=24.1"
 
 
 
@@ -45,6 +47,10 @@ else
   echo -e "\n\nNot mangling homebrew as we are not running in CI"
 fi
 
+if [[ "${sha:-}" == "" ]]; then
+  sha=$(git rev-parse HEAD)
+fi
+
 echo -e "\n\nRunning the build setup script."
 source run_conda_forge_build_setup
 
@@ -75,9 +81,10 @@ else
         EXTRA_CB_OPTIONS="${EXTRA_CB_OPTIONS:-} --no-test"
     fi
 
-    conda mambabuild ./recipe -m ./.ci_support/${CONFIG}.yaml \
+    conda build ./recipe -m ./.ci_support/${CONFIG}.yaml \
         --suppress-variables ${EXTRA_CB_OPTIONS:-} \
-        --clobber-file ./.ci_support/clobber_${CONFIG}.yaml
+        --clobber-file ./.ci_support/clobber_${CONFIG}.yaml \
+        --extra-meta flow_run_id="$flow_run_id" remote_url="$remote_url" sha="$sha"
     ( startgroup "Validating outputs" ) 2> /dev/null
 
     validate_recipe_outputs "${FEEDSTOCK_NAME}"
diff --git a/README.md b/README.md
index 4d79197..45de8d1 100644
--- a/README.md
+++ b/README.md
@@ -155,7 +155,7 @@ available continuous integration services. Thanks to the awesome service provide
 [CircleCI](https://circleci.com/), [AppVeyor](https://www.appveyor.com/),
 [Drone](https://cloud.drone.io/welcome), and [TravisCI](https://travis-ci.com/)
 it is possible to build and upload installable packages to the
-[conda-forge](https://anaconda.org/conda-forge) [Anaconda-Cloud](https://anaconda.org/)
+[conda-forge](https://anaconda.org/conda-forge) [anaconda.org](https://anaconda.org/)
 channel for Linux, Windows and OSX respectively.
 
 To manage the continuous integration and simplify feedstock maintenance
diff --git a/build-locally.py b/build-locally.py
index 3f4b7a7..e0d408d 100755
--- a/build-locally.py
+++ b/build-locally.py
@@ -64,8 +64,9 @@ def verify_config(ns):
     elif ns.config.startswith("osx"):
         if "OSX_SDK_DIR" not in os.environ:
             raise RuntimeError(
-                "Need OSX_SDK_DIR env variable set. Run 'export OSX_SDK_DIR=SDKs' "
-                "to download the SDK automatically to 'SDKs/MacOSX<ver>.sdk'. "
+                "Need OSX_SDK_DIR env variable set. Run 'export OSX_SDK_DIR=$PWD/SDKs' "
+                "to download the SDK automatically to '$PWD/SDKs/MacOSX<ver>.sdk'. "
+                "Note: OSX_SDK_DIR must be set to an absolute path. "
                 "Setting this variable implies agreement to the licensing terms of the SDK by Apple."
             )
 
diff --git a/recipe/build.sh b/recipe/build.sh
index 793eacb..289ec45 100755
--- a/recipe/build.sh
+++ b/recipe/build.sh
@@ -15,7 +15,7 @@ fi
 
 for USE_WIDEC in false true;
 do
-    WIDEC_OPT=""
+    WIDEC_OPT="--disable-widec"
     w=""
     if [ "${USE_WIDEC}" = true ];
     then
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index a4ecc07..88566ed 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -1,17 +1,17 @@
-{% set version = "6.4" %}
+{% set version = "6_4_20240210" %}
+{% set pkg_version = ".".join(version.split("_")) %}
 
 package:
   name: ncurses
-  version: {{ version }}
+  version: {{ pkg_version }}
 
 source:
-  fn: ncurses-{{ version }}.tar.gz
-  url: http://ftp.gnu.org/pub/gnu/ncurses/ncurses-{{ version }}.tar.gz
-  sha256: 6931283d9ac87c5073f30b6290c4c75f21632bb4fc3603ac8100812bed248159
+  url: https://github.com/ThomasDickey/ncurses-snapshots/archive/refs/tags/v{{ version }}.tar.gz
+  sha256: 78d9317659c4c51efd397c394cf6563b898ed122ee4630d9c779eac659e68efb
 
 build:
   skip: true  # [win]
-  number: 2
+  number: 0
   run_exports:
     # pretty good compat within major version
     #  https://abi-laboratory.pro/tracker/timeline/ncurses/
@@ -78,14 +78,12 @@ test:
         "etip.h",
         "form.h",
         "menu.h",
-        "nc_tparm.h",
         "ncurses.h",
         "ncurses_dll.h",
         "panel.h",
         "term.h",
         "term_entry.h",
         "termcap.h",
-        "tic.h",
         "unctrl.h"
     ] %}
     {% for each_ncurses_header in ncurses_headers %}