diff --git a/.azure-pipelines/azure-pipelines-osx.yml b/.azure-pipelines/azure-pipelines-osx.yml
index 4a3ff83..f1de6cc 100755
--- a/.azure-pipelines/azure-pipelines-osx.yml
+++ b/.azure-pipelines/azure-pipelines-osx.yml
@@ -5,7 +5,7 @@
 jobs:
 - job: osx
   pool:
-    vmImage: macOS-11
+    vmImage: macOS-12
   strategy:
     matrix:
       osx_64_python3.10.____cpythonpython_implcpython:
diff --git a/.ci_support/linux_64_python3.10.____cpythonpython_implcpython.yaml b/.ci_support/linux_64_python3.10.____cpythonpython_implcpython.yaml
index 5bc99af..e526f6d 100644
--- a/.ci_support/linux_64_python3.10.____cpythonpython_implcpython.yaml
+++ b/.ci_support/linux_64_python3.10.____cpythonpython_implcpython.yaml
@@ -2,10 +2,6 @@ c_compiler:
 - gcc
 c_compiler_version:
 - '12'
-c_stdlib:
-- sysroot
-c_stdlib_version:
-- '2.12'
 cdt_name:
 - cos6
 channel_sources:
@@ -41,7 +37,5 @@ tinyxml2:
 zip_keys:
 - - c_compiler_version
   - cxx_compiler_version
-- - c_stdlib_version
-  - cdt_name
 - - python
   - python_impl
diff --git a/.ci_support/linux_64_python3.11.____cpythonpython_implcpython.yaml b/.ci_support/linux_64_python3.11.____cpythonpython_implcpython.yaml
index 8ca3d1d..ac233d8 100644
--- a/.ci_support/linux_64_python3.11.____cpythonpython_implcpython.yaml
+++ b/.ci_support/linux_64_python3.11.____cpythonpython_implcpython.yaml
@@ -2,10 +2,6 @@ c_compiler:
 - gcc
 c_compiler_version:
 - '12'
-c_stdlib:
-- sysroot
-c_stdlib_version:
-- '2.12'
 cdt_name:
 - cos6
 channel_sources:
@@ -41,7 +37,5 @@ tinyxml2:
 zip_keys:
 - - c_compiler_version
   - cxx_compiler_version
-- - c_stdlib_version
-  - cdt_name
 - - python
   - python_impl
diff --git a/.ci_support/linux_64_python3.12.____cpythonpython_implcpython.yaml b/.ci_support/linux_64_python3.12.____cpythonpython_implcpython.yaml
index 39f70c4..43accc2 100644
--- a/.ci_support/linux_64_python3.12.____cpythonpython_implcpython.yaml
+++ b/.ci_support/linux_64_python3.12.____cpythonpython_implcpython.yaml
@@ -2,10 +2,6 @@ c_compiler:
 - gcc
 c_compiler_version:
 - '12'
-c_stdlib:
-- sysroot
-c_stdlib_version:
-- '2.12'
 cdt_name:
 - cos6
 channel_sources:
@@ -41,7 +37,5 @@ tinyxml2:
 zip_keys:
 - - c_compiler_version
   - cxx_compiler_version
-- - c_stdlib_version
-  - cdt_name
 - - python
   - python_impl
diff --git a/.ci_support/linux_64_python3.8.____cpythonpython_implcpython.yaml b/.ci_support/linux_64_python3.8.____cpythonpython_implcpython.yaml
index 1f0dadf..de60ee0 100644
--- a/.ci_support/linux_64_python3.8.____cpythonpython_implcpython.yaml
+++ b/.ci_support/linux_64_python3.8.____cpythonpython_implcpython.yaml
@@ -2,10 +2,6 @@ c_compiler:
 - gcc
 c_compiler_version:
 - '12'
-c_stdlib:
-- sysroot
-c_stdlib_version:
-- '2.12'
 cdt_name:
 - cos6
 channel_sources:
@@ -41,7 +37,5 @@ tinyxml2:
 zip_keys:
 - - c_compiler_version
   - cxx_compiler_version
-- - c_stdlib_version
-  - cdt_name
 - - python
   - python_impl
diff --git a/.ci_support/linux_64_python3.9.____73_pypypython_implpypy.yaml b/.ci_support/linux_64_python3.9.____73_pypypython_implpypy.yaml
index c47f353..8389245 100644
--- a/.ci_support/linux_64_python3.9.____73_pypypython_implpypy.yaml
+++ b/.ci_support/linux_64_python3.9.____73_pypypython_implpypy.yaml
@@ -2,10 +2,6 @@ c_compiler:
 - gcc
 c_compiler_version:
 - '12'
-c_stdlib:
-- sysroot
-c_stdlib_version:
-- '2.12'
 cdt_name:
 - cos6
 channel_sources:
@@ -41,7 +37,5 @@ tinyxml2:
 zip_keys:
 - - c_compiler_version
   - cxx_compiler_version
-- - c_stdlib_version
-  - cdt_name
 - - python
   - python_impl
diff --git a/.ci_support/linux_64_python3.9.____cpythonpython_implcpython.yaml b/.ci_support/linux_64_python3.9.____cpythonpython_implcpython.yaml
index 1336e7d..c6125ce 100644
--- a/.ci_support/linux_64_python3.9.____cpythonpython_implcpython.yaml
+++ b/.ci_support/linux_64_python3.9.____cpythonpython_implcpython.yaml
@@ -2,10 +2,6 @@ c_compiler:
 - gcc
 c_compiler_version:
 - '12'
-c_stdlib:
-- sysroot
-c_stdlib_version:
-- '2.12'
 cdt_name:
 - cos6
 channel_sources:
@@ -41,7 +37,5 @@ tinyxml2:
 zip_keys:
 - - c_compiler_version
   - cxx_compiler_version
-- - c_stdlib_version
-  - cdt_name
 - - python
   - python_impl
diff --git a/.ci_support/linux_aarch64_python3.10.____cpythonpython_implcpython.yaml b/.ci_support/linux_aarch64_python3.10.____cpythonpython_implcpython.yaml
index c034963..7848b20 100644
--- a/.ci_support/linux_aarch64_python3.10.____cpythonpython_implcpython.yaml
+++ b/.ci_support/linux_aarch64_python3.10.____cpythonpython_implcpython.yaml
@@ -4,10 +4,6 @@ c_compiler:
 - gcc
 c_compiler_version:
 - '12'
-c_stdlib:
-- sysroot
-c_stdlib_version:
-- '2.17'
 cdt_arch:
 - aarch64
 cdt_name:
@@ -45,7 +41,5 @@ tinyxml2:
 zip_keys:
 - - c_compiler_version
   - cxx_compiler_version
-- - c_stdlib_version
-  - cdt_name
 - - python
   - python_impl
diff --git a/.ci_support/linux_aarch64_python3.11.____cpythonpython_implcpython.yaml b/.ci_support/linux_aarch64_python3.11.____cpythonpython_implcpython.yaml
index a7f3365..0005cf3 100644
--- a/.ci_support/linux_aarch64_python3.11.____cpythonpython_implcpython.yaml
+++ b/.ci_support/linux_aarch64_python3.11.____cpythonpython_implcpython.yaml
@@ -4,10 +4,6 @@ c_compiler:
 - gcc
 c_compiler_version:
 - '12'
-c_stdlib:
-- sysroot
-c_stdlib_version:
-- '2.17'
 cdt_arch:
 - aarch64
 cdt_name:
@@ -45,7 +41,5 @@ tinyxml2:
 zip_keys:
 - - c_compiler_version
   - cxx_compiler_version
-- - c_stdlib_version
-  - cdt_name
 - - python
   - python_impl
diff --git a/.ci_support/linux_aarch64_python3.12.____cpythonpython_implcpython.yaml b/.ci_support/linux_aarch64_python3.12.____cpythonpython_implcpython.yaml
index b68dd12..de95368 100644
--- a/.ci_support/linux_aarch64_python3.12.____cpythonpython_implcpython.yaml
+++ b/.ci_support/linux_aarch64_python3.12.____cpythonpython_implcpython.yaml
@@ -4,10 +4,6 @@ c_compiler:
 - gcc
 c_compiler_version:
 - '12'
-c_stdlib:
-- sysroot
-c_stdlib_version:
-- '2.17'
 cdt_arch:
 - aarch64
 cdt_name:
@@ -45,7 +41,5 @@ tinyxml2:
 zip_keys:
 - - c_compiler_version
   - cxx_compiler_version
-- - c_stdlib_version
-  - cdt_name
 - - python
   - python_impl
diff --git a/.ci_support/linux_aarch64_python3.8.____cpythonpython_implcpython.yaml b/.ci_support/linux_aarch64_python3.8.____cpythonpython_implcpython.yaml
index 5ba2426..832245e 100644
--- a/.ci_support/linux_aarch64_python3.8.____cpythonpython_implcpython.yaml
+++ b/.ci_support/linux_aarch64_python3.8.____cpythonpython_implcpython.yaml
@@ -4,10 +4,6 @@ c_compiler:
 - gcc
 c_compiler_version:
 - '12'
-c_stdlib:
-- sysroot
-c_stdlib_version:
-- '2.17'
 cdt_arch:
 - aarch64
 cdt_name:
@@ -45,7 +41,5 @@ tinyxml2:
 zip_keys:
 - - c_compiler_version
   - cxx_compiler_version
-- - c_stdlib_version
-  - cdt_name
 - - python
   - python_impl
diff --git a/.ci_support/linux_aarch64_python3.9.____73_pypypython_implpypy.yaml b/.ci_support/linux_aarch64_python3.9.____73_pypypython_implpypy.yaml
index e8c0406..c813523 100644
--- a/.ci_support/linux_aarch64_python3.9.____73_pypypython_implpypy.yaml
+++ b/.ci_support/linux_aarch64_python3.9.____73_pypypython_implpypy.yaml
@@ -4,10 +4,6 @@ c_compiler:
 - gcc
 c_compiler_version:
 - '12'
-c_stdlib:
-- sysroot
-c_stdlib_version:
-- '2.17'
 cdt_arch:
 - aarch64
 cdt_name:
@@ -45,7 +41,5 @@ tinyxml2:
 zip_keys:
 - - c_compiler_version
   - cxx_compiler_version
-- - c_stdlib_version
-  - cdt_name
 - - python
   - python_impl
diff --git a/.ci_support/linux_aarch64_python3.9.____cpythonpython_implcpython.yaml b/.ci_support/linux_aarch64_python3.9.____cpythonpython_implcpython.yaml
index 3b37eec..5e02a7d 100644
--- a/.ci_support/linux_aarch64_python3.9.____cpythonpython_implcpython.yaml
+++ b/.ci_support/linux_aarch64_python3.9.____cpythonpython_implcpython.yaml
@@ -4,10 +4,6 @@ c_compiler:
 - gcc
 c_compiler_version:
 - '12'
-c_stdlib:
-- sysroot
-c_stdlib_version:
-- '2.17'
 cdt_arch:
 - aarch64
 cdt_name:
@@ -45,7 +41,5 @@ tinyxml2:
 zip_keys:
 - - c_compiler_version
   - cxx_compiler_version
-- - c_stdlib_version
-  - cdt_name
 - - python
   - python_impl
diff --git a/.ci_support/migrations/libabseil20230802_libgrpc157_libprotobuf4234.yaml b/.ci_support/migrations/libabseil20230802_libgrpc157_libprotobuf4234.yaml
deleted file mode 100644
index 3781ea0..0000000
--- a/.ci_support/migrations/libabseil20230802_libgrpc157_libprotobuf4234.yaml
+++ /dev/null
@@ -1,13 +0,0 @@
-__migrator:
-  build_number: 1
-  kind: version
-  migration_number: 1
-libabseil:
-- 20230802
-libgrpc:
-- "1.57"
-libprotobuf:
-- 4.23.4
-MACOSX_DEPLOYMENT_TARGET:  # [osx and x86_64]
-- "10.13"                  # [osx and x86_64]
-migrator_ts: 1692632590.658328
diff --git a/.ci_support/migrations/libabseil20240116_libgrpc161_libprotobuf4252.yaml b/.ci_support/migrations/libabseil20240116_libgrpc161_libprotobuf4252.yaml
deleted file mode 100644
index 08cd5a0..0000000
--- a/.ci_support/migrations/libabseil20240116_libgrpc161_libprotobuf4252.yaml
+++ /dev/null
@@ -1,22 +0,0 @@
-__migrator:
-  build_number: 1
-  commit_message: Rebuild for libabseil 20240116, libgrp 1.61, libprotobuf 4.25.2
-  kind: version
-  migration_number: 1
-  exclude:
-    - abseil-cpp
-    - grpc-cpp
-    - libprotobuf
-    # this shouldn't attempt to modify the python feedstocks
-    - protobuf
-libabseil:
-- "20240116"
-libgrpc:
-- "1.61"
-libprotobuf:
-- 4.25.2
-# already covered by libabseil20230802_libgrpc157_libprotobuf4234,
-# which we cannot delete yet, but keep for clarity
-MACOSX_DEPLOYMENT_TARGET:  # [osx and x86_64]
-- "10.13"                  # [osx and x86_64]
-migrator_ts: 1705991934.9119136
diff --git a/.ci_support/migrations/libgrpc162_libprotobuf4253.yaml b/.ci_support/migrations/libgrpc162_libprotobuf4253.yaml
deleted file mode 100644
index 16b401a..0000000
--- a/.ci_support/migrations/libgrpc162_libprotobuf4253.yaml
+++ /dev/null
@@ -1,23 +0,0 @@
-__migrator:
-  build_number: 1
-  commit_message: Rebuild for libprotobuf 4.25.3
-  kind: version
-  migration_number: 1
-  exclude:
-    - abseil-cpp
-    - grpc-cpp
-    - libprotobuf
-    - protobuf
-libgrpc:
-- "1.62"
-libprotobuf:
-- 4.25.3
-# keep abseil bump from libabseil20240116_libgrpc161_libprotobuf4252;
-# this ensures that this migration applies also without the previous one
-libabseil:
-- "20240116"
-# already covered by libabseil20230802_libgrpc157_libprotobuf4234,
-# which we cannot delete yet, but keep for clarity
-MACOSX_DEPLOYMENT_TARGET:  # [osx and x86_64]
-- "10.13"                  # [osx and x86_64]
-migrator_ts: 1709522594.9193177
diff --git a/.ci_support/osx_64_python3.10.____cpythonpython_implcpython.yaml b/.ci_support/osx_64_python3.10.____cpythonpython_implcpython.yaml
index 2c04e05..3c6fc56 100644
--- a/.ci_support/osx_64_python3.10.____cpythonpython_implcpython.yaml
+++ b/.ci_support/osx_64_python3.10.____cpythonpython_implcpython.yaml
@@ -1,13 +1,11 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '10.13'
+MACOSX_SDK_VERSION:
+- '10.13'
 c_compiler:
 - clang
 c_compiler_version:
 - '16'
-c_stdlib:
-- macosx_deployment_target
-c_stdlib_version:
-- '10.13'
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/osx_64_python3.11.____cpythonpython_implcpython.yaml b/.ci_support/osx_64_python3.11.____cpythonpython_implcpython.yaml
index 46603b0..8fa0acd 100644
--- a/.ci_support/osx_64_python3.11.____cpythonpython_implcpython.yaml
+++ b/.ci_support/osx_64_python3.11.____cpythonpython_implcpython.yaml
@@ -1,13 +1,11 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '10.13'
+MACOSX_SDK_VERSION:
+- '10.13'
 c_compiler:
 - clang
 c_compiler_version:
 - '16'
-c_stdlib:
-- macosx_deployment_target
-c_stdlib_version:
-- '10.13'
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/osx_64_python3.12.____cpythonpython_implcpython.yaml b/.ci_support/osx_64_python3.12.____cpythonpython_implcpython.yaml
index fb62fc0..14418c7 100644
--- a/.ci_support/osx_64_python3.12.____cpythonpython_implcpython.yaml
+++ b/.ci_support/osx_64_python3.12.____cpythonpython_implcpython.yaml
@@ -1,13 +1,11 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '10.13'
+MACOSX_SDK_VERSION:
+- '10.13'
 c_compiler:
 - clang
 c_compiler_version:
 - '16'
-c_stdlib:
-- macosx_deployment_target
-c_stdlib_version:
-- '10.13'
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/osx_64_python3.8.____cpythonpython_implcpython.yaml b/.ci_support/osx_64_python3.8.____cpythonpython_implcpython.yaml
index d61d620..12ff283 100644
--- a/.ci_support/osx_64_python3.8.____cpythonpython_implcpython.yaml
+++ b/.ci_support/osx_64_python3.8.____cpythonpython_implcpython.yaml
@@ -1,13 +1,11 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '10.13'
+MACOSX_SDK_VERSION:
+- '10.13'
 c_compiler:
 - clang
 c_compiler_version:
 - '16'
-c_stdlib:
-- macosx_deployment_target
-c_stdlib_version:
-- '10.13'
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/osx_64_python3.9.____73_pypypython_implpypy.yaml b/.ci_support/osx_64_python3.9.____73_pypypython_implpypy.yaml
index 5069e90..0e67eb0 100644
--- a/.ci_support/osx_64_python3.9.____73_pypypython_implpypy.yaml
+++ b/.ci_support/osx_64_python3.9.____73_pypypython_implpypy.yaml
@@ -1,13 +1,11 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '10.13'
+MACOSX_SDK_VERSION:
+- '10.13'
 c_compiler:
 - clang
 c_compiler_version:
 - '16'
-c_stdlib:
-- macosx_deployment_target
-c_stdlib_version:
-- '10.13'
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/osx_64_python3.9.____cpythonpython_implcpython.yaml b/.ci_support/osx_64_python3.9.____cpythonpython_implcpython.yaml
index 9045dc7..0852fa4 100644
--- a/.ci_support/osx_64_python3.9.____cpythonpython_implcpython.yaml
+++ b/.ci_support/osx_64_python3.9.____cpythonpython_implcpython.yaml
@@ -1,13 +1,11 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '10.13'
+MACOSX_SDK_VERSION:
+- '10.13'
 c_compiler:
 - clang
 c_compiler_version:
 - '16'
-c_stdlib:
-- macosx_deployment_target
-c_stdlib_version:
-- '10.13'
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/osx_arm64_python3.10.____cpython.yaml b/.ci_support/osx_arm64_python3.10.____cpython.yaml
index b1e1212..f44fab9 100644
--- a/.ci_support/osx_arm64_python3.10.____cpython.yaml
+++ b/.ci_support/osx_arm64_python3.10.____cpython.yaml
@@ -1,13 +1,11 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '11.0'
+MACOSX_SDK_VERSION:
+- '11.0'
 c_compiler:
 - clang
 c_compiler_version:
 - '16'
-c_stdlib:
-- macosx_deployment_target
-c_stdlib_version:
-- '11.0'
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/osx_arm64_python3.11.____cpython.yaml b/.ci_support/osx_arm64_python3.11.____cpython.yaml
index 029f70a..c4099f4 100644
--- a/.ci_support/osx_arm64_python3.11.____cpython.yaml
+++ b/.ci_support/osx_arm64_python3.11.____cpython.yaml
@@ -1,13 +1,11 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '11.0'
+MACOSX_SDK_VERSION:
+- '11.0'
 c_compiler:
 - clang
 c_compiler_version:
 - '16'
-c_stdlib:
-- macosx_deployment_target
-c_stdlib_version:
-- '11.0'
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/osx_arm64_python3.12.____cpython.yaml b/.ci_support/osx_arm64_python3.12.____cpython.yaml
index f496638..68ab9a8 100644
--- a/.ci_support/osx_arm64_python3.12.____cpython.yaml
+++ b/.ci_support/osx_arm64_python3.12.____cpython.yaml
@@ -1,13 +1,11 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '11.0'
+MACOSX_SDK_VERSION:
+- '11.0'
 c_compiler:
 - clang
 c_compiler_version:
 - '16'
-c_stdlib:
-- macosx_deployment_target
-c_stdlib_version:
-- '11.0'
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/osx_arm64_python3.8.____cpython.yaml b/.ci_support/osx_arm64_python3.8.____cpython.yaml
index 122c24b..62d3ac4 100644
--- a/.ci_support/osx_arm64_python3.8.____cpython.yaml
+++ b/.ci_support/osx_arm64_python3.8.____cpython.yaml
@@ -1,13 +1,11 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '11.0'
+MACOSX_SDK_VERSION:
+- '11.0'
 c_compiler:
 - clang
 c_compiler_version:
 - '16'
-c_stdlib:
-- macosx_deployment_target
-c_stdlib_version:
-- '11.0'
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/osx_arm64_python3.9.____cpython.yaml b/.ci_support/osx_arm64_python3.9.____cpython.yaml
index aeb0764..5279f37 100644
--- a/.ci_support/osx_arm64_python3.9.____cpython.yaml
+++ b/.ci_support/osx_arm64_python3.9.____cpython.yaml
@@ -1,13 +1,11 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '11.0'
+MACOSX_SDK_VERSION:
+- '11.0'
 c_compiler:
 - clang
 c_compiler_version:
 - '16'
-c_stdlib:
-- macosx_deployment_target
-c_stdlib_version:
-- '11.0'
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/win_64_python3.10.____cpythonpython_implcpython.yaml b/.ci_support/win_64_python3.10.____cpythonpython_implcpython.yaml
index c6d4f87..6a90601 100644
--- a/.ci_support/win_64_python3.10.____cpythonpython_implcpython.yaml
+++ b/.ci_support/win_64_python3.10.____cpythonpython_implcpython.yaml
@@ -1,7 +1,5 @@
 c_compiler:
 - vs2019
-c_stdlib:
-- vs
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/win_64_python3.11.____cpythonpython_implcpython.yaml b/.ci_support/win_64_python3.11.____cpythonpython_implcpython.yaml
index 77a12ce..6ed1dd1 100644
--- a/.ci_support/win_64_python3.11.____cpythonpython_implcpython.yaml
+++ b/.ci_support/win_64_python3.11.____cpythonpython_implcpython.yaml
@@ -1,7 +1,5 @@
 c_compiler:
 - vs2019
-c_stdlib:
-- vs
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/win_64_python3.12.____cpythonpython_implcpython.yaml b/.ci_support/win_64_python3.12.____cpythonpython_implcpython.yaml
index 550ee66..5a113ab 100644
--- a/.ci_support/win_64_python3.12.____cpythonpython_implcpython.yaml
+++ b/.ci_support/win_64_python3.12.____cpythonpython_implcpython.yaml
@@ -1,7 +1,5 @@
 c_compiler:
 - vs2019
-c_stdlib:
-- vs
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/win_64_python3.8.____cpythonpython_implcpython.yaml b/.ci_support/win_64_python3.8.____cpythonpython_implcpython.yaml
index fd1ab19..8fb6129 100644
--- a/.ci_support/win_64_python3.8.____cpythonpython_implcpython.yaml
+++ b/.ci_support/win_64_python3.8.____cpythonpython_implcpython.yaml
@@ -1,7 +1,5 @@
 c_compiler:
 - vs2019
-c_stdlib:
-- vs
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/win_64_python3.9.____73_pypypython_implpypy.yaml b/.ci_support/win_64_python3.9.____73_pypypython_implpypy.yaml
index c2bc059..0593e7c 100644
--- a/.ci_support/win_64_python3.9.____73_pypypython_implpypy.yaml
+++ b/.ci_support/win_64_python3.9.____73_pypypython_implpypy.yaml
@@ -1,7 +1,5 @@
 c_compiler:
 - vs2019
-c_stdlib:
-- vs
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/win_64_python3.9.____cpythonpython_implcpython.yaml b/.ci_support/win_64_python3.9.____cpythonpython_implcpython.yaml
index c560d6d..978f1ab 100644
--- a/.ci_support/win_64_python3.9.____cpythonpython_implcpython.yaml
+++ b/.ci_support/win_64_python3.9.____cpythonpython_implcpython.yaml
@@ -1,7 +1,5 @@
 c_compiler:
 - vs2019
-c_stdlib:
-- vs
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.gitattributes b/.gitattributes
index 7f32763..18f114a 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -20,8 +20,8 @@ bld.bat text eol=crlf
 .travis.yml linguist-generated=true
 .scripts/* linguist-generated=true
 .woodpecker.yml linguist-generated=true
-LICENSE.txt linguist-generated=true
-README.md linguist-generated=true
+/LICENSE.txt linguist-generated=true
+/README.md linguist-generated=true
 azure-pipelines.yml linguist-generated=true
 build-locally.py linguist-generated=true
 shippable.yml linguist-generated=true
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 76d0842..8ce2361 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -21,7 +21,10 @@ source:
       - 2382.patch
 
 build:
-  number: 0
+  number: 1
+  # gz-sim requires gz-common's geospatial component, that requires
+  # gdal that is not available on ppc64le https://github.com/conda-forge/gdal-feedstock/issues/918
+  skip: true  # [ppc64le]
 
 outputs:
   - name: {{ cxx_name }}