diff --git a/MODULE.bazel b/MODULE.bazel
index 3eabec796..e9aec2da7 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -7,7 +7,7 @@ module(
 )
 
 bazel_dep(name = "bazel_skylib", version = "1.3.0")
-bazel_dep(name = "apple_support", version = "1.9.0", repo_name = "build_bazel_apple_support")
+bazel_dep(name = "apple_support", version = "1.10.1", repo_name = "build_bazel_apple_support")
 bazel_dep(name = "rules_cc", version = "0.0.2")
 bazel_dep(name = "platforms", version = "0.0.7")
 bazel_dep(name = "protobuf", version = "21.7", repo_name = "com_google_protobuf")
diff --git a/platform_mappings_bzlmod b/platform_mappings_bzlmod
index 449c861bc..f2a8d09af 100644
--- a/platform_mappings_bzlmod
+++ b/platform_mappings_bzlmod
@@ -1,137 +1,137 @@
 platforms:
-  @@apple_support~1.9.0//platforms:macos_x86_64
+  @@apple_support~1.10.1//platforms:macos_x86_64
     --apple_platform_type=macos
     --cpu=darwin_x86_64
 
-  @@apple_support~1.9.0//platforms:macos_arm64
+  @@apple_support~1.10.1//platforms:macos_arm64
     --apple_platform_type=macos
     --cpu=darwin_arm64
 
-  @@apple_support~1.9.0//platforms:darwin_arm64e
+  @@apple_support~1.10.1//platforms:darwin_arm64e
     --apple_platform_type=macos
     --cpu=darwin_arm64e
 
-  @@apple_support~1.9.0//platforms:ios_i386
+  @@apple_support~1.10.1//platforms:ios_i386
     --apple_platform_type=ios
     --cpu=ios_i386
 
-  @@apple_support~1.9.0//platforms:ios_x86_64
+  @@apple_support~1.10.1//platforms:ios_x86_64
     --apple_platform_type=ios
     --cpu=ios_x86_64
 
-  @@apple_support~1.9.0//platforms:ios_sim_arm64
+  @@apple_support~1.10.1//platforms:ios_sim_arm64
     --apple_platform_type=ios
     --cpu=ios_sim_arm64
 
-  @@apple_support~1.9.0//platforms:ios_armv7
+  @@apple_support~1.10.1//platforms:ios_armv7
     --apple_platform_type=ios
     --cpu=ios_armv7
 
-  @@apple_support~1.9.0//platforms:ios_arm64
+  @@apple_support~1.10.1//platforms:ios_arm64
     --apple_platform_type=ios
     --cpu=ios_arm64
 
-  @@apple_support~1.9.0//platforms:ios_arm64e
+  @@apple_support~1.10.1//platforms:ios_arm64e
     --apple_platform_type=ios
     --cpu=ios_arm64e
 
-  @@apple_support~1.9.0//platforms:tvos_x86_64
+  @@apple_support~1.10.1//platforms:tvos_x86_64
     --apple_platform_type=tvos
     --cpu=tvos_x86_64
 
-  @@apple_support~1.9.0//platforms:tvos_sim_arm64
+  @@apple_support~1.10.1//platforms:tvos_sim_arm64
     --apple_platform_type=tvos
     --cpu=tvos_sim_arm64
 
-  @@apple_support~1.9.0//platforms:tvos_arm64
+  @@apple_support~1.10.1//platforms:tvos_arm64
     --apple_platform_type=tvos
     --cpu=tvos_arm64
 
-  @@apple_support~1.9.0//platforms:watchos_i386
+  @@apple_support~1.10.1//platforms:watchos_i386
     --apple_platform_type=watchos
     --cpu=watchos_i386
 
-  @@apple_support~1.9.0//platforms:watchos_x86_64
+  @@apple_support~1.10.1//platforms:watchos_x86_64
     --apple_platform_type=watchos
     --cpu=watchos_x86_64
 
-  @@apple_support~1.9.0//platforms:watchos_arm64
+  @@apple_support~1.10.1//platforms:watchos_arm64
     --apple_platform_type=watchos
     --cpu=watchos_arm64
 
-  @@apple_support~1.9.0//platforms:watchos_armv7k
+  @@apple_support~1.10.1//platforms:watchos_armv7k
     --apple_platform_type=watchos
     --cpu=watchos_armv7k
 
-  @@apple_support~1.9.0//platforms:watchos_arm64_32
+  @@apple_support~1.10.1//platforms:watchos_arm64_32
     --apple_platform_type=watchos
     --cpu=watchos_arm64_32
 
 flags:
   --cpu=darwin_x86_64
   --apple_platform_type=macos
-    @@apple_support~1.9.0//platforms:macos_x86_64
+    @@apple_support~1.10.1//platforms:macos_x86_64
 
   --cpu=darwin_arm64
   --apple_platform_type=macos
-    @@apple_support~1.9.0//platforms:macos_arm64
+    @@apple_support~1.10.1//platforms:macos_arm64
 
   --cpu=darwin_arm64e
   --apple_platform_type=macos
-    @@apple_support~1.9.0//platforms:darwin_arm64e
+    @@apple_support~1.10.1//platforms:darwin_arm64e
 
   --cpu=ios_i386
   --apple_platform_type=ios
-    @@apple_support~1.9.0//platforms:ios_i386
+    @@apple_support~1.10.1//platforms:ios_i386
 
   --cpu=ios_x86_64
   --apple_platform_type=ios
-    @@apple_support~1.9.0//platforms:ios_x86_64
+    @@apple_support~1.10.1//platforms:ios_x86_64
 
   --cpu=ios_sim_arm64
   --apple_platform_type=ios
-    @@apple_support~1.9.0//platforms:ios_sim_arm64
+    @@apple_support~1.10.1//platforms:ios_sim_arm64
 
   --cpu=ios_armv7
   --apple_platform_type=ios
-    @@apple_support~1.9.0//platforms:ios_armv7
+    @@apple_support~1.10.1//platforms:ios_armv7
 
   --cpu=ios_arm64
   --apple_platform_type=ios
-    @@apple_support~1.9.0//platforms:ios_arm64
+    @@apple_support~1.10.1//platforms:ios_arm64
 
   --cpu=ios_arm64e
   --apple_platform_type=ios
-    @@apple_support~1.9.0//platforms:ios_arm64e
+    @@apple_support~1.10.1//platforms:ios_arm64e
 
   --cpu=tvos_x86_64
   --apple_platform_type=tvos
-    @@apple_support~1.9.0//platforms:tvos_x86_64
+    @@apple_support~1.10.1//platforms:tvos_x86_64
 
   --cpu=tvos_sim_arm64
   --apple_platform_type=tvos
-    @@apple_support~1.9.0//platforms:tvos_sim_arm64
+    @@apple_support~1.10.1//platforms:tvos_sim_arm64
 
   --cpu=tvos_arm64
   --apple_platform_type=tvos
-    @@apple_support~1.9.0//platforms:tvos_arm64
+    @@apple_support~1.10.1//platforms:tvos_arm64
 
   --cpu=watchos_i386
   --apple_platform_type=watchos
-    @@apple_support~1.9.0//platforms:watchos_i386
+    @@apple_support~1.10.1//platforms:watchos_i386
 
   --cpu=watchos_x86_64
   --apple_platform_type=watchos
-    @@apple_support~1.9.0//platforms:watchos_x86_64
+    @@apple_support~1.10.1//platforms:watchos_x86_64
 
   --cpu=watchos_arm64
   --apple_platform_type=watchos
-    @@apple_support~1.9.0//platforms:watchos_arm64
+    @@apple_support~1.10.1//platforms:watchos_arm64
 
   --cpu=watchos_armv7k
   --apple_platform_type=watchos
-    @@apple_support~1.9.0//platforms:watchos_armv7k
+    @@apple_support~1.10.1//platforms:watchos_armv7k
 
   --cpu=watchos_arm64_32
   --apple_platform_type=watchos
-    @@apple_support~1.9.0//platforms:watchos_arm64_32
+    @@apple_support~1.10.1//platforms:watchos_arm64_32
diff --git a/swift/internal/actions.bzl b/swift/internal/actions.bzl
index cfc87f917..ddb067f9c 100644
--- a/swift/internal/actions.bzl
+++ b/swift/internal/actions.bzl
@@ -19,6 +19,10 @@ load("@bazel_skylib//lib:types.bzl", "types")
 load(":features.bzl", "are_all_features_enabled")
 load(":toolchain_config.bzl", "swift_toolchain_config")
 
+# This is a proxy for being on bazel 7.x which has
+# --incompatible_merge_fixed_and_default_shell_env enabled by default
+USE_DEFAULT_SHELL_ENV = not hasattr(apple_common, "apple_crosstool_transition")
+
 # The names of actions currently supported by the Swift build rules.
 swift_action_names = struct(
     # Extracts a linker input file containing libraries to link from a compiled
@@ -269,5 +273,6 @@ def run_toolchain_action(
         ),
         mnemonic = mnemonic if mnemonic else action_name,
         tools = depset(tools, transitive = [tool_config.tool_inputs]),
+        use_default_shell_env = USE_DEFAULT_SHELL_ENV,
         **kwargs
     )
diff --git a/swift/internal/swift_grpc_library.bzl b/swift/internal/swift_grpc_library.bzl
index a12a2bcd5..03458df34 100644
--- a/swift/internal/swift_grpc_library.bzl
+++ b/swift/internal/swift_grpc_library.bzl
@@ -37,6 +37,7 @@ load(":providers.bzl", "SwiftInfo", "SwiftProtoInfo", "SwiftToolchainInfo")
 load(":swift_common.bzl", "swift_common")
 load(":transitions.bzl", "proto_compiler_transition")
 load(":utils.bzl", "compact", "get_providers")
+load(":actions.bzl", "USE_DEFAULT_SHELL_ENV")
 
 def _register_grpcswift_generate_action(
         label,
@@ -187,6 +188,7 @@ def _register_grpcswift_generate_action(
         mnemonic = "ProtocGenSwiftGRPC",
         outputs = generated_files,
         progress_message = "Generating Swift sources for %{label}",
+        use_default_shell_env = USE_DEFAULT_SHELL_ENV,
     )
 
     return generated_files
diff --git a/swift/internal/swift_protoc_gen_aspect.bzl b/swift/internal/swift_protoc_gen_aspect.bzl
index a36b1b474..06039c05c 100644
--- a/swift/internal/swift_protoc_gen_aspect.bzl
+++ b/swift/internal/swift_protoc_gen_aspect.bzl
@@ -38,6 +38,7 @@ load(
 load(":providers.bzl", "SwiftInfo", "SwiftProtoInfo", "SwiftToolchainInfo")
 load(":swift_common.bzl", "swift_common")
 load(":utils.bzl", "get_providers")
+load(":actions.bzl", "USE_DEFAULT_SHELL_ENV")
 
 # The paths of proto files bundled with the runtime. This is mainly the well
 # known type protos, but also includes descriptor.proto to make generation of
@@ -234,6 +235,7 @@ def _register_pbswift_generate_action(
             protoc_executable,
             protoc_plugin_executable,
         ],
+        use_default_shell_env = USE_DEFAULT_SHELL_ENV,
     )
 
     return generated_files
diff --git a/swift/module_name.bzl b/swift/module_name.bzl
index 4fb0cec07..761ace000 100644
--- a/swift/module_name.bzl
+++ b/swift/module_name.bzl
@@ -16,8 +16,6 @@
 
 load("@bazel_skylib//lib:types.bzl", "types")
 
-visibility("public")
-
 def derive_swift_module_name(*args):
     """Returns a derived module name from the given build label.
 
diff --git a/swift/repositories.bzl b/swift/repositories.bzl
index da973e1ae..42365c8b5 100644
--- a/swift/repositories.bzl
+++ b/swift/repositories.bzl
@@ -57,8 +57,8 @@ def swift_rules_dependencies(include_bzlmod_ready_dependencies = True):
         _maybe(
             http_archive,
             name = "build_bazel_apple_support",
-            url = "https://github.com/bazelbuild/apple_support/releases/download/1.9.0/apple_support.1.9.0.tar.gz",
-            sha256 = "b506c67200a6a64476b5615db20c887a0ff33128acaa3148a5c9e5167c4a075e",
+            url = "https://github.com/bazelbuild/apple_support/releases/download/1.10.1/apple_support.1.10.1.tar.gz",
+            sha256 = "62cb8c6658739d22986bbe4b025fe9f0f42cce91394096dc85d64b120ccde229",
         )
 
         _maybe(