diff --git a/.ci_support/linux_64_.yaml b/.ci_support/linux_64_.yaml
index e5e0208..e14a1b0 100644
--- a/.ci_support/linux_64_.yaml
+++ b/.ci_support/linux_64_.yaml
@@ -23,37 +23,37 @@ libabseil:
 libcurl:
 - '8'
 libgoogle_cloud_aiplatform_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_automl_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_bigquery_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_bigtable_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_compute_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_dialogflow_cx_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_dialogflow_es_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_discoveryengine_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_dlp_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_iam_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_oauth2_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_policytroubleshooter_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_pubsub_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_spanner_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_speech_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_storage_devel:
-- '2.23'
+- '2.24'
 libgrpc:
 - '1.62'
 libprotobuf:
diff --git a/.ci_support/linux_aarch64_.yaml b/.ci_support/linux_aarch64_.yaml
index 597c584..4b82937 100644
--- a/.ci_support/linux_aarch64_.yaml
+++ b/.ci_support/linux_aarch64_.yaml
@@ -27,37 +27,37 @@ libabseil:
 libcurl:
 - '8'
 libgoogle_cloud_aiplatform_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_automl_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_bigquery_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_bigtable_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_compute_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_dialogflow_cx_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_dialogflow_es_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_discoveryengine_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_dlp_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_iam_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_oauth2_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_policytroubleshooter_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_pubsub_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_spanner_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_speech_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_storage_devel:
-- '2.23'
+- '2.24'
 libgrpc:
 - '1.62'
 libprotobuf:
diff --git a/.ci_support/linux_ppc64le_.yaml b/.ci_support/linux_ppc64le_.yaml
index 2a2ac87..3cf79eb 100644
--- a/.ci_support/linux_ppc64le_.yaml
+++ b/.ci_support/linux_ppc64le_.yaml
@@ -23,37 +23,37 @@ libabseil:
 libcurl:
 - '8'
 libgoogle_cloud_aiplatform_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_automl_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_bigquery_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_bigtable_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_compute_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_dialogflow_cx_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_dialogflow_es_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_discoveryengine_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_dlp_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_iam_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_oauth2_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_policytroubleshooter_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_pubsub_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_spanner_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_speech_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_storage_devel:
-- '2.23'
+- '2.24'
 libgrpc:
 - '1.62'
 libprotobuf:
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_.yaml b/.ci_support/osx_64_.yaml
index 0523ea6..0deea85 100644
--- a/.ci_support/osx_64_.yaml
+++ b/.ci_support/osx_64_.yaml
@@ -1,5 +1,7 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '10.13'
+MACOSX_SDK_VERSION:
+- '10.13'
 c_compiler:
 - clang
 c_compiler_version:
@@ -21,37 +23,37 @@ libabseil:
 libcurl:
 - '8'
 libgoogle_cloud_aiplatform_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_automl_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_bigquery_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_bigtable_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_compute_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_dialogflow_cx_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_dialogflow_es_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_discoveryengine_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_dlp_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_iam_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_oauth2_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_policytroubleshooter_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_pubsub_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_spanner_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_speech_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_storage_devel:
-- '2.23'
+- '2.24'
 libgrpc:
 - '1.62'
 libprotobuf:
diff --git a/.ci_support/osx_arm64_.yaml b/.ci_support/osx_arm64_.yaml
index ec16ec8..8edb0ed 100644
--- a/.ci_support/osx_arm64_.yaml
+++ b/.ci_support/osx_arm64_.yaml
@@ -1,5 +1,7 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '11.0'
+MACOSX_SDK_VERSION:
+- '11.0'
 c_compiler:
 - clang
 c_compiler_version:
@@ -21,37 +23,37 @@ libabseil:
 libcurl:
 - '8'
 libgoogle_cloud_aiplatform_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_automl_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_bigquery_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_bigtable_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_compute_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_dialogflow_cx_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_dialogflow_es_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_discoveryengine_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_dlp_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_iam_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_oauth2_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_policytroubleshooter_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_pubsub_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_spanner_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_speech_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_storage_devel:
-- '2.23'
+- '2.24'
 libgrpc:
 - '1.62'
 libprotobuf:
diff --git a/.ci_support/win_64_.yaml b/.ci_support/win_64_.yaml
index cef52d6..feeffa8 100644
--- a/.ci_support/win_64_.yaml
+++ b/.ci_support/win_64_.yaml
@@ -13,37 +13,37 @@ libabseil:
 libcurl:
 - '8'
 libgoogle_cloud_aiplatform_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_automl_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_bigquery_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_bigtable_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_compute_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_dialogflow_cx_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_dialogflow_es_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_discoveryengine_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_dlp_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_iam_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_oauth2_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_policytroubleshooter_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_pubsub_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_spanner_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_speech_devel:
-- '2.23'
+- '2.24'
 libgoogle_cloud_storage_devel:
-- '2.23'
+- '2.24'
 libgrpc:
 - '1.62'
 libprotobuf:
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