diff --git a/config/generated/ci_yaml/engine_config.json b/config/generated/ci_yaml/engine_config.json
index be902a8..58c79c6 100644
--- a/config/generated/ci_yaml/engine_config.json
+++ b/config/generated/ci_yaml/engine_config.json
@@ -1 +1 @@
-{"targets":[{"name":"Linux Android AOT Engine","timeout":60,"properties":{"add_recipes_cq":"true","build_android_aot":"true","android_sdk_license":"\\n24333f8a63b6825ea9c5514f83c2829b004d1fee","android_sdk_preview_license":"\\n84831b9409646a918e30573bab4c9c91346d8abd"},"recipe":"engine/engine"},{"name":"Linux Android Debug Engine","timeout":60,"properties":{"add_recipes_cq":"true","build_android_debug":"true","build_android_jit_release":"true","build_android_vulkan":"true","android_sdk_license":"\\n24333f8a63b6825ea9c5514f83c2829b004d1fee","android_sdk_preview_license":"\\n84831b9409646a918e30573bab4c9c91346d8abd"},"recipe":"engine/engine"},{"name":"Linux Android Emulator Tests","bringup":true,"timeout":60,"properties":{"dependencies":"[\n  {\"dependency\": \"android_virtual_device\", \"version\": \"31\"}\n]","upload_packages":"true","clobber":"true"},"recipe":"engine/scenarios"},{"name":"Linux Benchmarks","timeout":60,"properties":{"build_host":"true","upload_metrics":"true"},"presubmit":false,"enabledBranches":["main","master"],"recipe":"engine/engine_metrics"},{"name":"Linux Benchmarks (no-upload)","timeout":60,"properties":{"build_host":"true","upload_metrics":"false"},"recipe":"engine/engine_metrics"},{"name":"Linux Fuchsia","timeout":90,"properties":{"add_recipes_cq":"true","build_fuchsia":"true","fuchsia_ctl_version":"version:0.0.27"},"recipe":"engine/engine"},{"name":"Linux Fuchsia FEMU","timeout":60,"properties":{"add_recipes_cq":"true","build_fuchsia":"true","fuchsia_ctl_version":"version:0.0.27"},"recipe":"engine/femu_test"},{"name":"Linux Framework Smoke Tests","timeout":60,"enabledBranches":["main","master"],"recipe":"engine/framework_smoke"},{"name":"Linux Host Engine","timeout":60,"properties":{"add_recipes_cq":"true","build_host":"true"},"recipe":"engine/engine"},{"name":"Linux Unopt","timeout":60,"properties":{"add_recipes_cq":"true","clobber":"true"},"recipe":"engine/engine_unopt"},{"name":"Linux clang-tidy","timeout":60,"properties":{"add_recipes_cq":"true","cores":"32"},"recipe":"engine/engine_lint"},{"name":"Linux Arm Host Engine","timeout":90,"properties":{"add_recipes_cq":"true","build_host":"true"},"recipe":"engine/engine_arm"},{"name":"Linux linux_host_engine","bringup":true,"timeout":60,"properties":{"config_name":"linux_host_engine","environment":"Staging"},"recipe":"engine_v2/engine_v2"},{"name":"Linux Web Engine","timeout":60,"properties":{"add_recipes_cq":"true","gcs_goldens_bucket":"flutter_logs","dependencies":"[\n  {\"dependency\": \"goldctl\"}\n]"},"runIf":["DEPS",".ci.yaml","lib/web_ui/**","web_sdk/**","tools/**","ci/**","flutter_frontend_server/**"],"recipe":"engine/web_engine"},{"name":"Linux Web Framework tests","timeout":60,"properties":{"add_recipes_cq":"true","dependencies":"[\n  {\"dependency\": \"chrome_and_driver\", \"version\": \"version:96.2\"},\n  {\"dependency\": \"curl\", \"version\": \"version:7.64.0\"}\n]","framework":"true","shard":"web_tests","subshards":"[\"0\", \"1\", \"2\", \"3\", \"4\", \"5\", \"6\", \"7_last\"]"},"runIf":["DEPS",".ci.yaml","lib/web_ui/**","web_sdk/**","tools/**","ci/**","flutter_frontend_server/**"],"enabledBranches":["main","master"],"recipe":"engine/web_engine_framework"},{"name":"Mac Android AOT Engine","timeout":60,"properties":{"android_sdk_license":"\\n24333f8a63b6825ea9c5514f83c2829b004d1fee","android_sdk_preview_license":"\\n84831b9409646a918e30573bab4c9c91346d8abd","build_android_aot":"true","jazzy_version":"0.14.1"},"recipe":"engine/engine"},{"name":"Mac Host Engine","timeout":75,"properties":{"add_recipes_cq":"true","build_host":"true","jazzy_version":"0.14.1"},"recipe":"engine/engine"},{"name":"Mac Unopt","timeout":75,"properties":{"add_recipes_cq":"true","jazzy_version":"0.14.1","caches":"[\n  {\"name\":\"flutter_cocoapods\",\"path\":\"cocoapods\"},\n  {\"name\":\"osx_sdk_13a233_13_15\",\"path\":\"osx_sdk\"},\n  {\"name\":\"builder_mac_engine\",\"path\":\"builder\"},\n  {\"name\":\"openjdk\",\"path\":\"java\"},\n  {\"name\":\"xcode_runtime_ios_13_0\",\"path\":\"xcode_runtime_ios_13_0\"},\n  {\"name\":\"xcode_runtime_ios_15_0\",\"path\":\"xcode_runtime_ios_15_0\"}\n]","runtime_versions":"[\n  \"ios-13-0\",\n  \"ios-15-0\"\n]"},"recipe":"engine/engine_unopt"},{"name":"Mac clang-tidy","timeout":75,"properties":{"add_recipes_cq":"true","jazzy_version":"0.14.1"},"recipe":"engine/engine_lint"},{"name":"Mac iOS Engine","timeout":60,"properties":{"build_ios":"true","ios_debug":"true","jazzy_version":"0.14.1"},"recipe":"engine/engine"},{"name":"Mac Web Engine","timeout":60,"properties":{"add_recipes_cq":"true","gcs_goldens_bucket":"flutter_logs","caches":"[\n  {\"name\":\"flutter_cocoapods\",\"path\":\"cocoapods\"},\n  {\"name\":\"old_osx_sdk\",\"path\":\"osx_sdk\"},\n  {\"name\":\"builder_mac_engine\",\"path\":\"builder\"},\n  {\"name\":\"openjdk\",\"path\":\"java\"}\n]","dependencies":"[\n  {\"dependency\": \"goldctl\"}\n]","os":"Mac-10.15","xcode":"12c33"},"runIf":["DEPS",".ci.yaml","lib/web_ui/**","web_sdk/**","tools/**","ci/**","flutter_frontend_server/**"],"recipe":"engine/web_engine"},{"name":"Mac mac_ios_engine","bringup":true,"timeout":60,"properties":{"config_name":"mac_ios_engine","environment":"Staging","dependencies":"[\n  {\"dependency\": \"jazzy\", \"version\": \"0.14.1\"}\n]"},"recipe":"engine_v2/engine_v2"},{"name":"Mac mac_ios_engine_profile","bringup":true,"timeout":60,"properties":{"config_name":"mac_ios_engine_profile","environment":"Staging"},"recipe":"engine_v2/engine_v2"},{"name":"Mac mac_ios_engine_release","bringup":true,"timeout":60,"properties":{"config_name":"mac_ios_engine_release","environment":"Staging"},"recipe":"engine_v2/engine_v2"},{"name":"Windows Android AOT Engine","timeout":60,"properties":{"build_android_aot":"true","android_sdk_license":"\\n24333f8a63b6825ea9c5514f83c2829b004d1fee","android_sdk_preview_license":"\\n84831b9409646a918e30573bab4c9c91346d8abd"},"recipe":"engine/engine"},{"name":"Windows Host Engine","timeout":60,"properties":{"add_recipes_cq":"true","build_host":"true"},"recipe":"engine/engine"},{"name":"Windows windows_android_aot_engine","bringup":true,"timeout":60,"properties":{"config_name":"windows_android_aot_engine","environment":"Staging"},"recipe":"engine_v2/engine_v2"},{"name":"Windows windows_host_engine","bringup":true,"timeout":60,"properties":{"config_name":"windows_host_engine","environment":"Staging"},"recipe":"engine_v2/engine_v2"},{"name":"Windows Unopt","timeout":75,"properties":{"add_recipes_cq":"true"},"recipe":"engine/engine_unopt"},{"name":"Windows UWP Engine","timeout":60,"properties":{"build_windows_uwp":"true"},"recipe":"engine/engine"},{"name":"Windows Web Engine","timeout":60,"properties":{"gcs_goldens_bucket":"flutter_logs"},"runIf":["DEPS",".ci.yaml","lib/web_ui/**","web_sdk/**"],"recipe":"engine/web_engine"},{"name":"Mac iOS Engine Profile","timeout":90,"properties":{"build_ios":"true","ios_profile":"true","jazzy_version":"0.14.1"},"presubmit":false,"recipe":"engine/engine"},{"name":"Mac iOS Engine Release","timeout":90,"properties":{"build_ios":"true","ios_release":"true","jazzy_version":"0.14.1"},"presubmit":false,"recipe":"engine/engine"},{"name":"Linux ci_yaml engine roller","bringup":true,"recipe":"infra/ci_yaml"}],"enabledBranches":["main","flutter-\\d+\\.\\d+-candidate\\.\\d+"],"platformProperties":{"linux":{"properties":{"build_host":"false","build_fuchsia":"false","build_android_debug":"false","build_android_aot":"false","build_android_vulkan":"false","build_ios":"false","build_windows_uwp":"false","build_android_jit_release":"false","gcs_goldens_bucket":"","ios_debug":"false","ios_profile":"false","ios_release":"false","no_bitcode":"false","caches":"[\n  {\"name\":\"builder_linux_engine\",\"path\":\"builder\"},\n  {\"name\":\"gradle\",\"path\":\"gradle\"},\n  {\"name\":\"openjdk\",\"path\":\"java\"}\n]","dependencies":"[\n  {\"dependency\": \"open_jdk\", \"version\": \"version:1.8.0u202-b08\"},\n  {\"dependency\": \"gradle_cache\"}\n]","device_type":"none","os":"Linux","cores":"8"}},"mac":{"properties":{"build_host":"false","build_fuchsia":"false","build_android_debug":"false","build_android_aot":"false","build_android_vulkan":"false","build_ios":"false","build_windows_uwp":"false","build_android_jit_release":"false","gcs_goldens_bucket":"","ios_debug":"false","ios_profile":"false","ios_release":"false","no_bitcode":"false","caches":"[\n  {\"name\":\"flutter_cocoapods\",\"path\":\"cocoapods\"},\n  {\"name\":\"osx_sdk_13a233\",\"path\":\"osx_sdk\"},\n  {\"name\":\"builder_mac_engine\",\"path\":\"builder\"},\n  {\"name\":\"openjdk\",\"path\":\"java\"}\n]","dependencies":"[\n  {\"dependency\": \"open_jdk\", \"version\": \"version:1.8.0u202-b08\"}\n]","device_type":"none","mac_model":"Macmini8,1","os":"Mac-12","xcode":"13a233"}},"windows":{"properties":{"build_host":"false","build_fuchsia":"false","build_android_debug":"false","build_android_aot":"false","build_android_vulkan":"false","build_ios":"false","build_windows_uwp":"false","build_android_jit_release":"false","gcs_goldens_bucket":"","ios_debug":"false","ios_profile":"false","ios_release":"false","no_bitcode":"false","caches":"[\n  {\"name\":\"builder_win_engine\",\"path\":\"builder\"},\n  {\"name\":\"openjdk\",\"path\":\"java\"}\n]","dependencies":"[\n  {\"dependency\": \"open_jdk\", \"version\": \"version:1.8.0u202-b08\"}\n]","device_type":"none","os":"Windows-10"}}}}
+{"targets":[{"name":"Linux Android AOT Engine","timeout":60,"properties":{"add_recipes_cq":"true","build_android_aot":"true","android_sdk_license":"\\n24333f8a63b6825ea9c5514f83c2829b004d1fee","android_sdk_preview_license":"\\n84831b9409646a918e30573bab4c9c91346d8abd"},"recipe":"engine/engine"},{"name":"Linux Android Debug Engine","timeout":60,"properties":{"add_recipes_cq":"true","build_android_debug":"true","build_android_jit_release":"true","build_android_vulkan":"true","android_sdk_license":"\\n24333f8a63b6825ea9c5514f83c2829b004d1fee","android_sdk_preview_license":"\\n84831b9409646a918e30573bab4c9c91346d8abd"},"recipe":"engine/engine"},{"name":"Linux Android Emulator Tests","bringup":true,"timeout":60,"properties":{"dependencies":"[\n  {\"dependency\": \"android_virtual_device\", \"version\": \"31\"}\n]","upload_packages":"true","clobber":"true"},"recipe":"engine/scenarios"},{"name":"Linux Benchmarks","timeout":60,"properties":{"build_host":"true","upload_metrics":"true"},"presubmit":false,"enabledBranches":["main","master"],"recipe":"engine/engine_metrics"},{"name":"Linux Benchmarks (no-upload)","timeout":60,"properties":{"build_host":"true","upload_metrics":"false"},"recipe":"engine/engine_metrics"},{"name":"Linux Fuchsia","timeout":90,"properties":{"add_recipes_cq":"true","build_fuchsia":"true","fuchsia_ctl_version":"version:0.0.27"},"recipe":"engine/engine"},{"name":"Linux Fuchsia FEMU","timeout":60,"properties":{"add_recipes_cq":"true","build_fuchsia":"true","fuchsia_ctl_version":"version:0.0.27"},"recipe":"engine/femu_test"},{"name":"Linux Framework Smoke Tests","timeout":60,"enabledBranches":["main","master"],"recipe":"engine/framework_smoke"},{"name":"Linux Host Engine","timeout":60,"properties":{"add_recipes_cq":"true","build_host":"true"},"recipe":"engine/engine"},{"name":"Linux Unopt","timeout":60,"properties":{"add_recipes_cq":"true","clobber":"true"},"recipe":"engine/engine_unopt"},{"name":"Linux clang-tidy","timeout":60,"properties":{"add_recipes_cq":"true","cores":"32"},"recipe":"engine/engine_lint"},{"name":"Linux Arm Host Engine","timeout":90,"properties":{"add_recipes_cq":"true","build_host":"true"},"recipe":"engine/engine_arm"},{"name":"Linux linux_host_engine","bringup":true,"timeout":60,"properties":{"config_name":"linux_host_engine","environment":"Staging"},"recipe":"engine_v2/engine_v2"},{"name":"Linux Web Engine","timeout":60,"properties":{"add_recipes_cq":"true","gcs_goldens_bucket":"flutter_logs","dependencies":"[\n  {\"dependency\": \"goldctl\"}\n]"},"runIf":["DEPS",".ci.yaml","lib/web_ui/**","web_sdk/**","tools/**","ci/**","flutter_frontend_server/**"],"recipe":"engine/web_engine"},{"name":"Linux Web Framework tests","timeout":60,"properties":{"add_recipes_cq":"true","dependencies":"[\n  {\"dependency\": \"chrome_and_driver\", \"version\": \"version:96.2\"},\n  {\"dependency\": \"curl\", \"version\": \"version:7.64.0\"}\n]","framework":"true","shard":"web_tests","subshards":"[\"0\", \"1\", \"2\", \"3\", \"4\", \"5\", \"6\", \"7_last\"]"},"runIf":["DEPS",".ci.yaml","lib/web_ui/**","web_sdk/**","tools/**","ci/**","flutter_frontend_server/**"],"enabledBranches":["main","master"],"recipe":"engine/web_engine_framework"},{"name":"Mac Android AOT Engine","timeout":60,"properties":{"android_sdk_license":"\\n24333f8a63b6825ea9c5514f83c2829b004d1fee","android_sdk_preview_license":"\\n84831b9409646a918e30573bab4c9c91346d8abd","build_android_aot":"true","jazzy_version":"0.14.1"},"recipe":"engine/engine"},{"name":"Mac Host Engine","timeout":75,"properties":{"add_recipes_cq":"true","build_host":"true","jazzy_version":"0.14.1"},"recipe":"engine/engine"},{"name":"Mac mac_host_engine","bringup":true,"timeout":60,"properties":{"config_name":"mac_host_engine","environment":"Staging"},"recipe":"engine_v2/engine_v2"},{"name":"Mac Unopt","timeout":75,"properties":{"add_recipes_cq":"true","jazzy_version":"0.14.1","caches":"[\n  {\"name\":\"flutter_cocoapods\",\"path\":\"cocoapods\"},\n  {\"name\":\"osx_sdk_13a233_13_15\",\"path\":\"osx_sdk\"},\n  {\"name\":\"builder_mac_engine\",\"path\":\"builder\"},\n  {\"name\":\"openjdk\",\"path\":\"java\"},\n  {\"name\":\"xcode_runtime_ios_13_0\",\"path\":\"xcode_runtime_ios_13_0\"},\n  {\"name\":\"xcode_runtime_ios_15_0\",\"path\":\"xcode_runtime_ios_15_0\"}\n]","runtime_versions":"[\n  \"ios-13-0\",\n  \"ios-15-0\"\n]"},"recipe":"engine/engine_unopt"},{"name":"Mac clang-tidy","timeout":75,"properties":{"add_recipes_cq":"true","jazzy_version":"0.14.1"},"recipe":"engine/engine_lint"},{"name":"Mac iOS Engine","timeout":60,"properties":{"build_ios":"true","ios_debug":"true","jazzy_version":"0.14.1"},"recipe":"engine/engine"},{"name":"Mac Web Engine","timeout":60,"properties":{"add_recipes_cq":"true","gcs_goldens_bucket":"flutter_logs","caches":"[\n  {\"name\":\"flutter_cocoapods\",\"path\":\"cocoapods\"},\n  {\"name\":\"old_osx_sdk\",\"path\":\"osx_sdk\"},\n  {\"name\":\"builder_mac_engine\",\"path\":\"builder\"},\n  {\"name\":\"openjdk\",\"path\":\"java\"}\n]","dependencies":"[\n  {\"dependency\": \"goldctl\"}\n]","os":"Mac-10.15","xcode":"12c33"},"runIf":["DEPS",".ci.yaml","lib/web_ui/**","web_sdk/**","tools/**","ci/**","flutter_frontend_server/**"],"recipe":"engine/web_engine"},{"name":"Mac mac_ios_engine","bringup":true,"timeout":60,"properties":{"config_name":"mac_ios_engine","environment":"Staging","dependencies":"[\n  {\"dependency\": \"jazzy\", \"version\": \"0.14.1\"}\n]"},"recipe":"engine_v2/engine_v2"},{"name":"Mac mac_ios_engine_profile","bringup":true,"timeout":60,"properties":{"config_name":"mac_ios_engine_profile","environment":"Staging"},"recipe":"engine_v2/engine_v2"},{"name":"Mac mac_ios_engine_release","bringup":true,"timeout":60,"properties":{"config_name":"mac_ios_engine_release","environment":"Staging"},"recipe":"engine_v2/engine_v2"},{"name":"Windows Android AOT Engine","timeout":60,"properties":{"build_android_aot":"true","android_sdk_license":"\\n24333f8a63b6825ea9c5514f83c2829b004d1fee","android_sdk_preview_license":"\\n84831b9409646a918e30573bab4c9c91346d8abd"},"recipe":"engine/engine"},{"name":"Windows Host Engine","timeout":60,"properties":{"add_recipes_cq":"true","build_host":"true"},"recipe":"engine/engine"},{"name":"Windows windows_android_aot_engine","bringup":true,"timeout":60,"properties":{"config_name":"windows_android_aot_engine","environment":"Staging"},"recipe":"engine_v2/engine_v2"},{"name":"Windows windows_host_engine","bringup":true,"timeout":60,"properties":{"config_name":"windows_host_engine","environment":"Staging"},"recipe":"engine_v2/engine_v2"},{"name":"Windows Unopt","timeout":75,"properties":{"add_recipes_cq":"true"},"recipe":"engine/engine_unopt"},{"name":"Windows UWP Engine","timeout":60,"properties":{"build_windows_uwp":"true"},"recipe":"engine/engine"},{"name":"Windows Web Engine","timeout":60,"properties":{"gcs_goldens_bucket":"flutter_logs"},"runIf":["DEPS",".ci.yaml","lib/web_ui/**","web_sdk/**"],"recipe":"engine/web_engine"},{"name":"Mac iOS Engine Profile","timeout":90,"properties":{"build_ios":"true","ios_profile":"true","jazzy_version":"0.14.1"},"presubmit":false,"recipe":"engine/engine"},{"name":"Mac iOS Engine Release","timeout":90,"properties":{"build_ios":"true","ios_release":"true","jazzy_version":"0.14.1"},"presubmit":false,"recipe":"engine/engine"},{"name":"Linux ci_yaml engine roller","bringup":true,"recipe":"infra/ci_yaml"}],"enabledBranches":["main","flutter-\\d+\\.\\d+-candidate\\.\\d+"],"platformProperties":{"linux":{"properties":{"build_host":"false","build_fuchsia":"false","build_android_debug":"false","build_android_aot":"false","build_android_vulkan":"false","build_ios":"false","build_windows_uwp":"false","build_android_jit_release":"false","gcs_goldens_bucket":"","ios_debug":"false","ios_profile":"false","ios_release":"false","no_bitcode":"false","caches":"[\n  {\"name\":\"builder_linux_engine\",\"path\":\"builder\"},\n  {\"name\":\"gradle\",\"path\":\"gradle\"},\n  {\"name\":\"openjdk\",\"path\":\"java\"}\n]","dependencies":"[\n  {\"dependency\": \"open_jdk\", \"version\": \"version:1.8.0u202-b08\"},\n  {\"dependency\": \"gradle_cache\"}\n]","device_type":"none","os":"Linux","cores":"8"}},"mac":{"properties":{"build_host":"false","build_fuchsia":"false","build_android_debug":"false","build_android_aot":"false","build_android_vulkan":"false","build_ios":"false","build_windows_uwp":"false","build_android_jit_release":"false","gcs_goldens_bucket":"","ios_debug":"false","ios_profile":"false","ios_release":"false","no_bitcode":"false","caches":"[\n  {\"name\":\"flutter_cocoapods\",\"path\":\"cocoapods\"},\n  {\"name\":\"osx_sdk_13a233\",\"path\":\"osx_sdk\"},\n  {\"name\":\"builder_mac_engine\",\"path\":\"builder\"},\n  {\"name\":\"openjdk\",\"path\":\"java\"}\n]","dependencies":"[\n  {\"dependency\": \"open_jdk\", \"version\": \"version:1.8.0u202-b08\"}\n]","device_type":"none","mac_model":"Macmini8,1","os":"Mac-12","xcode":"13a233"}},"windows":{"properties":{"build_host":"false","build_fuchsia":"false","build_android_debug":"false","build_android_aot":"false","build_android_vulkan":"false","build_ios":"false","build_windows_uwp":"false","build_android_jit_release":"false","gcs_goldens_bucket":"","ios_debug":"false","ios_profile":"false","ios_release":"false","no_bitcode":"false","caches":"[\n  {\"name\":\"builder_win_engine\",\"path\":\"builder\"},\n  {\"name\":\"openjdk\",\"path\":\"java\"}\n]","dependencies":"[\n  {\"dependency\": \"open_jdk\", \"version\": \"version:1.8.0u202-b08\"}\n]","device_type":"none","os":"Windows-10"}}}}
diff --git a/config/generated/flutter/luci/cr-buildbucket.cfg b/config/generated/flutter/luci/cr-buildbucket.cfg
index 5253518..7b3470f 100644
--- a/config/generated/flutter/luci/cr-buildbucket.cfg
+++ b/config/generated/flutter/luci/cr-buildbucket.cfg
@@ -68757,6 +68757,101 @@
       }
     }
     builders {
+      name: "Mac mac_host_engine"
+      swarming_host: "chromium-swarm.appspot.com"
+      dimensions: "device_type:none"
+      dimensions: "mac_model:Macmini8,1"
+      dimensions: "os:Mac-12"
+      dimensions: "pool:luci.flutter.prod"
+      exe {
+        cipd_package: "flutter/recipe_bundles/flutter.googlesource.com/recipes"
+        cipd_version: "refs/heads/main"
+        cmd: "luciexe"
+      }
+      properties:
+        '{'
+        '  "$flutter/osx_sdk": {'
+        '    "sdk_version": "13a233"'
+        '  },'
+        '  "$fuchsia/goma": {'
+        '    "server": "rbe-prod1.endpoints.fuchsia-infra-goma-prod.cloud.goog"'
+        '  },'
+        '  "$kitchen": {'
+        '    "emulate_gce": true'
+        '  },'
+        '  "$recipe_engine/isolated": {'
+        '    "server": "https://isolateserver.appspot.com"'
+        '  },'
+        '  "$recipe_engine/swarming": {'
+        '    "server": "https://chromium-swarm.appspot.com"'
+        '  },'
+        '  "bringup": true,'
+        '  "build_android_aot": false,'
+        '  "build_android_debug": false,'
+        '  "build_android_jit_release": false,'
+        '  "build_android_vulkan": false,'
+        '  "build_fuchsia": false,'
+        '  "build_host": false,'
+        '  "build_ios": false,'
+        '  "build_windows_uwp": false,'
+        '  "clobber": false,'
+        '  "config_name": "mac_host_engine",'
+        '  "dependencies": ['
+        '    {'
+        '      "dependency": "open_jdk",'
+        '      "version": "version:1.8.0u202-b08"'
+        '    }'
+        '  ],'
+        '  "device_type": "none",'
+        '  "environment": "Staging",'
+        '  "gcs_goldens_bucket": "",'
+        '  "git_branch": "main",'
+        '  "git_repo": "engine",'
+        '  "gold_tryjob": false,'
+        '  "goma_jobs": "200",'
+        '  "ios_debug": false,'
+        '  "ios_profile": false,'
+        '  "ios_release": false,'
+        '  "mac_model": "Macmini8,1",'
+        '  "mastername": "client.flutter",'
+        '  "no_bitcode": false,'
+        '  "os": "Mac-12",'
+        '  "recipe": "engine_v2/engine_v2",'
+        '  "upload_packages": true,'
+        '  "use_cas": true,'
+        '  "xcode": "13a233"'
+        '}'
+      priority: 30
+      execution_timeout_secs: 10800
+      caches {
+        name: "builder_mac_engine"
+        path: "builder"
+      }
+      caches {
+        name: "flutter_cocoapods"
+        path: "cocoapods"
+      }
+      caches {
+        name: "openjdk"
+        path: "java"
+      }
+      caches {
+        name: "osx_sdk_13a233"
+        path: "osx_sdk"
+      }
+      build_numbers: YES
+      service_account: "flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com"
+      task_template_canary_percentage {}
+      experiments {
+        key: "luci.buildbucket.agent.cipd_installation"
+        value: 0
+      }
+      experiments {
+        key: "luci.recipes.use_python3"
+        value: 100
+      }
+    }
+    builders {
       name: "Mac mac_ios_engine"
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "device_type:none"
@@ -185712,6 +185807,102 @@
       }
     }
     builders {
+      name: "Mac mac_host_engine"
+      swarming_host: "chromium-swarm.appspot.com"
+      dimensions: "device_type:none"
+      dimensions: "mac_model:Macmini8,1"
+      dimensions: "os:Mac-12"
+      dimensions: "pool:luci.flutter.staging"
+      exe {
+        cipd_package: "flutter/recipe_bundles/flutter.googlesource.com/recipes"
+        cipd_version: "refs/heads/main"
+        cmd: "luciexe"
+      }
+      properties:
+        '{'
+        '  "$flutter/osx_sdk": {'
+        '    "sdk_version": "13a233"'
+        '  },'
+        '  "$fuchsia/goma": {'
+        '    "server": "rbe-prod1.endpoints.fuchsia-infra-goma-prod.cloud.goog"'
+        '  },'
+        '  "$kitchen": {'
+        '    "emulate_gce": true'
+        '  },'
+        '  "$recipe_engine/isolated": {'
+        '    "server": "https://isolateserver.appspot.com"'
+        '  },'
+        '  "$recipe_engine/swarming": {'
+        '    "server": "https://chromium-swarm.appspot.com"'
+        '  },'
+        '  "bringup": true,'
+        '  "build_android_aot": false,'
+        '  "build_android_debug": false,'
+        '  "build_android_jit_release": false,'
+        '  "build_android_vulkan": false,'
+        '  "build_fuchsia": false,'
+        '  "build_host": false,'
+        '  "build_ios": false,'
+        '  "build_windows_uwp": false,'
+        '  "clobber": false,'
+        '  "config_name": "mac_host_engine",'
+        '  "dependencies": ['
+        '    {'
+        '      "dependency": "open_jdk",'
+        '      "version": "version:1.8.0u202-b08"'
+        '    }'
+        '  ],'
+        '  "device_type": "none",'
+        '  "environment": "Staging",'
+        '  "gcs_goldens_bucket": "",'
+        '  "git_branch": "main",'
+        '  "git_repo": "engine",'
+        '  "gold_tryjob": false,'
+        '  "goma_jobs": "200",'
+        '  "ios_debug": false,'
+        '  "ios_profile": false,'
+        '  "ios_release": false,'
+        '  "mac_model": "Macmini8,1",'
+        '  "mastername": "client.flutter",'
+        '  "no_bitcode": false,'
+        '  "os": "Mac-12",'
+        '  "recipe": "engine_v2/engine_v2",'
+        '  "upload_packages": true,'
+        '  "use_cas": true,'
+        '  "xcode": "13a233"'
+        '}'
+      priority: 30
+      execution_timeout_secs: 10800
+      expiration_secs: 86400
+      caches {
+        name: "builder_mac_engine"
+        path: "builder"
+      }
+      caches {
+        name: "flutter_cocoapods"
+        path: "cocoapods"
+      }
+      caches {
+        name: "openjdk"
+        path: "java"
+      }
+      caches {
+        name: "osx_sdk_13a233"
+        path: "osx_sdk"
+      }
+      build_numbers: YES
+      service_account: "flutter-staging-builder@chops-service-accounts.iam.gserviceaccount.com"
+      task_template_canary_percentage {}
+      experiments {
+        key: "luci.buildbucket.agent.cipd_installation"
+        value: 0
+      }
+      experiments {
+        key: "luci.recipes.use_python3"
+        value: 100
+      }
+    }
+    builders {
       name: "Mac mac_ios_engine"
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "device_type:none"
@@ -256691,6 +256882,101 @@
       }
     }
     builders {
+      name: "Mac mac_host_engine"
+      swarming_host: "chromium-swarm.appspot.com"
+      dimensions: "device_type:none"
+      dimensions: "mac_model:Macmini8,1"
+      dimensions: "os:Mac-12"
+      dimensions: "pool:luci.flutter.try"
+      exe {
+        cipd_package: "flutter/recipe_bundles/flutter.googlesource.com/recipes"
+        cipd_version: "refs/heads/main"
+        cmd: "luciexe"
+      }
+      properties:
+        '{'
+        '  "$flutter/osx_sdk": {'
+        '    "sdk_version": "13a233"'
+        '  },'
+        '  "$fuchsia/goma": {'
+        '    "server": "rbe-prod1.endpoints.fuchsia-infra-goma-prod.cloud.goog"'
+        '  },'
+        '  "$kitchen": {'
+        '    "emulate_gce": true'
+        '  },'
+        '  "$recipe_engine/isolated": {'
+        '    "server": "https://isolateserver.appspot.com"'
+        '  },'
+        '  "$recipe_engine/swarming": {'
+        '    "server": "https://chromium-swarm.appspot.com"'
+        '  },'
+        '  "bringup": true,'
+        '  "build_android_aot": false,'
+        '  "build_android_debug": false,'
+        '  "build_android_jit_release": false,'
+        '  "build_android_vulkan": false,'
+        '  "build_fuchsia": false,'
+        '  "build_host": false,'
+        '  "build_ios": false,'
+        '  "build_windows_uwp": false,'
+        '  "clobber": false,'
+        '  "config_name": "mac_host_engine",'
+        '  "dependencies": ['
+        '    {'
+        '      "dependency": "open_jdk",'
+        '      "version": "version:1.8.0u202-b08"'
+        '    }'
+        '  ],'
+        '  "device_type": "none",'
+        '  "environment": "Staging",'
+        '  "gcs_goldens_bucket": "",'
+        '  "git_branch": "main",'
+        '  "git_repo": "engine",'
+        '  "gold_tryjob": true,'
+        '  "goma_jobs": "200",'
+        '  "ios_debug": false,'
+        '  "ios_profile": false,'
+        '  "ios_release": false,'
+        '  "mac_model": "Macmini8,1",'
+        '  "mastername": "client.flutter",'
+        '  "no_bitcode": false,'
+        '  "no_lto": true,'
+        '  "os": "Mac-12",'
+        '  "recipe": "engine_v2/engine_v2",'
+        '  "upload_packages": false,'
+        '  "use_cas": true,'
+        '  "xcode": "13a233"'
+        '}'
+      execution_timeout_secs: 10800
+      caches {
+        name: "builder_mac_engine"
+        path: "builder"
+      }
+      caches {
+        name: "flutter_cocoapods"
+        path: "cocoapods"
+      }
+      caches {
+        name: "openjdk"
+        path: "java"
+      }
+      caches {
+        name: "osx_sdk_13a233"
+        path: "osx_sdk"
+      }
+      build_numbers: YES
+      service_account: "flutter-try-builder@chops-service-accounts.iam.gserviceaccount.com"
+      task_template_canary_percentage {}
+      experiments {
+        key: "luci.buildbucket.agent.cipd_installation"
+        value: 0
+      }
+      experiments {
+        key: "luci.recipes.use_python3"
+        value: 100
+      }
+    }
+    builders {
       name: "Mac mac_ios_engine"
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "device_type:none"
diff --git a/config/generated/flutter/luci/luci-milo.cfg b/config/generated/flutter/luci/luci-milo.cfg
index 2787b14..b0b968d 100644
--- a/config/generated/flutter/luci/luci-milo.cfg
+++ b/config/generated/flutter/luci/luci-milo.cfg
@@ -11714,6 +11714,9 @@
     name: "buildbucket/luci.flutter.try/Mac Host Engine"
   }
   builders {
+    name: "buildbucket/luci.flutter.try/Mac mac_host_engine"
+  }
+  builders {
     name: "buildbucket/luci.flutter.try/Mac Unopt"
   }
   builders {
@@ -12206,6 +12209,11 @@
     short_name: "mhe"
   }
   builders {
+    name: "buildbucket/luci.flutter.staging/Mac mac_host_engine"
+    category: "Mac"
+    short_name: "mmhe"
+  }
+  builders {
     name: "buildbucket/luci.flutter.staging/Mac Unopt"
     category: "Mac"
     short_name: "mu"
@@ -12424,6 +12432,11 @@
     short_name: "mhe"
   }
   builders {
+    name: "buildbucket/luci.flutter.prod/Mac mac_host_engine"
+    category: "Mac"
+    short_name: "mmhe"
+  }
+  builders {
     name: "buildbucket/luci.flutter.prod/Mac Unopt"
     category: "Mac"
     short_name: "mu"
diff --git a/config/generated/flutter/luci/luci-notify.cfg b/config/generated/flutter/luci/luci-notify.cfg
index e5f65d9..4ccb305 100644
--- a/config/generated/flutter/luci/luci-notify.cfg
+++ b/config/generated/flutter/luci/luci-notify.cfg
@@ -375,6 +375,21 @@
   }
   builders {
     bucket: "prod"
+    name: "Mac mac_host_engine"
+    repository: "https://flutter.googlesource.com/mirrors/engine"
+  }
+}
+notifiers {
+  notifications {
+    on_occurrence: INFRA_FAILURE
+    on_occurrence: FAILURE
+    failed_step_regexp: "(^build|.*test:|.*step is flaky).*"
+    email {
+      recipients: "flutter-engine@grotations.appspotmail.com"
+    }
+  }
+  builders {
+    bucket: "prod"
     name: "Mac mac_ios_engine"
     repository: "https://flutter.googlesource.com/mirrors/engine"
   }
@@ -969,6 +984,21 @@
   }
   builders {
     bucket: "staging"
+    name: "Mac mac_host_engine"
+    repository: "https://flutter.googlesource.com/mirrors/engine"
+  }
+}
+notifiers {
+  notifications {
+    on_occurrence: INFRA_FAILURE
+    on_occurrence: FAILURE
+    failed_step_regexp: "(^build|.*test:|.*step is flaky).*"
+    email {
+      recipients: "flutter-engine@grotations.appspotmail.com"
+    }
+  }
+  builders {
+    bucket: "staging"
     name: "Mac mac_ios_engine"
     repository: "https://flutter.googlesource.com/mirrors/engine"
   }