diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1d47dd0ab..cfac5329d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,10 +3,11 @@ name: CI
 on:
   # Every PR
   pull_request:
-  # Once merged into `master`, and on `ci-full` to enable testing a full run
   push:
     branches:
+    # Once merged into `master`
     - master
+    # And on `ci-full` to allow running time-consuming checks.
     - ci-full
   # Every monday at 09:00 in the morning
   schedule:
@@ -44,13 +45,19 @@ env:
     --package=objc2-exception-helper
 
   # BEGIN AUTOMATICALLY GENERATED
-  FRAMEWORKS_MACOS_10_12: --package=objc2-accounts --package=objc2-app-kit --package=objc2-automator --package=objc2-av-kit --package=objc2-cloud-kit --package=objc2-contacts --package=objc2-contacts-ui --package=objc2-core-bluetooth --package=objc2-core-data --package=objc2-core-image --package=objc2-core-location --package=objc2-core-wlan --package=objc2-event-kit --package=objc2-exception-handling --package=objc2-finder-sync --package=objc2-foundation --package=objc2-game-controller --package=objc2-game-kit --package=objc2-input-method-kit --package=objc2-local-authentication --package=objc2-map-kit --package=objc2-media-player --package=objc2-metal --package=objc2-metal-kit --package=objc2-multipeer-connectivity --package=objc2-network-extension --package=objc2-osa-kit --package=objc2-photos-ui --package=objc2-quartz-core --package=objc2-screen-saver --package=objc2-service-management --package=objc2-social --package=objc2-store-kit --package=objc2-web-kit
-  FRAMEWORKS_MACOS_10_13: --package=objc2-accounts --package=objc2-app-kit --package=objc2-automator --package=objc2-av-kit --package=objc2-cloud-kit --package=objc2-contacts --package=objc2-contacts-ui --package=objc2-core-bluetooth --package=objc2-core-data --package=objc2-core-image --package=objc2-core-location --package=objc2-core-ml --package=objc2-core-wlan --package=objc2-event-kit --package=objc2-exception-handling --package=objc2-external-accessory --package=objc2-finder-sync --package=objc2-foundation --package=objc2-game-controller --package=objc2-game-kit --package=objc2-input-method-kit --package=objc2-local-authentication --package=objc2-map-kit --package=objc2-media-player --package=objc2-metal --package=objc2-metal-kit --package=objc2-multipeer-connectivity --package=objc2-network-extension --package=objc2-osa-kit --package=objc2-photos-ui --package=objc2-quartz-core --package=objc2-screen-saver --package=objc2-service-management --package=objc2-social --package=objc2-store-kit --package=objc2-vision --package=objc2-web-kit
+  FRAMEWORKS_MACOS_10_12: --package=objc2-accounts --package=objc2-automator --package=objc2-av-kit --package=objc2-cloud-kit --package=objc2-contacts --package=objc2-contacts-ui --package=objc2-core-bluetooth --package=objc2-core-data --package=objc2-core-image --package=objc2-core-location --package=objc2-core-wlan --package=objc2-event-kit --package=objc2-exception-handling --package=objc2-finder-sync --package=objc2-foundation --package=objc2-game-controller --package=objc2-game-kit --package=objc2-input-method-kit --package=objc2-local-authentication --package=objc2-map-kit --package=objc2-media-player --package=objc2-metal --package=objc2-metal-kit --package=objc2-multipeer-connectivity --package=objc2-network-extension --package=objc2-osa-kit --package=objc2-photos-ui --package=objc2-quartz-core --package=objc2-screen-saver --package=objc2-service-management --package=objc2-social --package=objc2-store-kit --package=objc2-web-kit
+  FRAMEWORKS_MACOS_10_13: --package=objc2-accounts --package=objc2-automator --package=objc2-av-kit --package=objc2-cloud-kit --package=objc2-contacts --package=objc2-contacts-ui --package=objc2-core-bluetooth --package=objc2-core-data --package=objc2-core-image --package=objc2-core-location --package=objc2-core-ml --package=objc2-core-wlan --package=objc2-event-kit --package=objc2-exception-handling --package=objc2-external-accessory --package=objc2-finder-sync --package=objc2-foundation --package=objc2-game-controller --package=objc2-game-kit --package=objc2-input-method-kit --package=objc2-local-authentication --package=objc2-map-kit --package=objc2-media-player --package=objc2-metal --package=objc2-metal-kit --package=objc2-multipeer-connectivity --package=objc2-network-extension --package=objc2-osa-kit --package=objc2-photos-ui --package=objc2-quartz-core --package=objc2-screen-saver --package=objc2-service-management --package=objc2-social --package=objc2-store-kit --package=objc2-vision --package=objc2-web-kit
   FRAMEWORKS_MACOS_11: --package=objc2-accessibility --package=objc2-accounts --package=objc2-ad-support --package=objc2-app-kit --package=objc2-app-tracking-transparency --package=objc2-authentication-services --package=objc2-automatic-assessment-configuration --package=objc2-automator --package=objc2-av-kit --package=objc2-business-chat --package=objc2-class-kit --package=objc2-cloud-kit --package=objc2-contacts --package=objc2-contacts-ui --package=objc2-core-bluetooth --package=objc2-core-data --package=objc2-core-image --package=objc2-core-location --package=objc2-core-ml --package=objc2-core-motion --package=objc2-core-wlan --package=objc2-device-check --package=objc2-event-kit --package=objc2-exception-handling --package=objc2-external-accessory --package=objc2-file-provider --package=objc2-file-provider-ui --package=objc2-finder-sync --package=objc2-foundation --package=objc2-game-controller --package=objc2-game-kit --package=objc2-identity-lookup --package=objc2-input-method-kit --package=objc2-link-presentation --package=objc2-local-authentication --package=objc2-map-kit --package=objc2-media-player --package=objc2-metal --package=objc2-metal-kit --package=objc2-ml-compute --package=objc2-multipeer-connectivity --package=objc2-natural-language --package=objc2-nearby-interaction --package=objc2-network-extension --package=objc2-osa-kit --package=objc2-photos --package=objc2-photos-ui --package=objc2-quartz-core --package=objc2-screen-saver --package=objc2-service-management --package=objc2-social --package=objc2-sound-analysis --package=objc2-speech --package=objc2-store-kit --package=objc2-system-extensions --package=objc2-uniform-type-identifiers --package=objc2-user-notifications --package=objc2-virtualization --package=objc2-vision --package=objc2-web-kit
   FRAMEWORKS_MACOS_12: --package=objc2-accessibility --package=objc2-accounts --package=objc2-ad-services --package=objc2-ad-support --package=objc2-app-kit --package=objc2-app-tracking-transparency --package=objc2-authentication-services --package=objc2-automatic-assessment-configuration --package=objc2-automator --package=objc2-av-kit --package=objc2-business-chat --package=objc2-class-kit --package=objc2-cloud-kit --package=objc2-contacts --package=objc2-contacts-ui --package=objc2-core-bluetooth --package=objc2-core-data --package=objc2-core-image --package=objc2-core-location --package=objc2-core-ml --package=objc2-core-motion --package=objc2-core-wlan --package=objc2-data-detection --package=objc2-device-check --package=objc2-event-kit --package=objc2-exception-handling --package=objc2-external-accessory --package=objc2-file-provider --package=objc2-file-provider-ui --package=objc2-finder-sync --package=objc2-foundation --package=objc2-game-controller --package=objc2-game-kit --package=objc2-identity-lookup --package=objc2-input-method-kit --package=objc2-link-presentation --package=objc2-local-authentication --package=objc2-local-authentication-embedded-ui --package=objc2-mail-kit --package=objc2-map-kit --package=objc2-media-player --package=objc2-metal --package=objc2-metal-kit --package=objc2-metric-kit --package=objc2-ml-compute --package=objc2-multipeer-connectivity --package=objc2-natural-language --package=objc2-nearby-interaction --package=objc2-network-extension --package=objc2-osa-kit --package=objc2-photos --package=objc2-photos-ui --package=objc2-quartz-core --package=objc2-screen-saver --package=objc2-service-management --package=objc2-social --package=objc2-sound-analysis --package=objc2-speech --package=objc2-store-kit --package=objc2-system-extensions --package=objc2-uniform-type-identifiers --package=objc2-user-notifications --package=objc2-virtualization --package=objc2-vision --package=objc2-web-kit
   FRAMEWORKS_MACOS_13: --package=objc2-accessibility --package=objc2-accounts --package=objc2-ad-services --package=objc2-ad-support --package=objc2-app-kit --package=objc2-app-tracking-transparency --package=objc2-authentication-services --package=objc2-automatic-assessment-configuration --package=objc2-automator --package=objc2-av-kit --package=objc2-background-assets --package=objc2-business-chat --package=objc2-call-kit --package=objc2-class-kit --package=objc2-cloud-kit --package=objc2-contacts --package=objc2-contacts-ui --package=objc2-core-bluetooth --package=objc2-core-data --package=objc2-core-image --package=objc2-core-location --package=objc2-core-ml --package=objc2-core-motion --package=objc2-core-wlan --package=objc2-data-detection --package=objc2-device-check --package=objc2-event-kit --package=objc2-exception-handling --package=objc2-extension-kit --package=objc2-external-accessory --package=objc2-file-provider --package=objc2-file-provider-ui --package=objc2-finder-sync --package=objc2-foundation --package=objc2-game-controller --package=objc2-game-kit --package=objc2-health-kit --package=objc2-identity-lookup --package=objc2-input-method-kit --package=objc2-link-presentation --package=objc2-local-authentication --package=objc2-local-authentication-embedded-ui --package=objc2-mail-kit --package=objc2-map-kit --package=objc2-media-player --package=objc2-metal --package=objc2-metal-fx --package=objc2-metal-kit --package=objc2-metric-kit --package=objc2-ml-compute --package=objc2-multipeer-connectivity --package=objc2-natural-language --package=objc2-nearby-interaction --package=objc2-network-extension --package=objc2-osa-kit --package=objc2-photos --package=objc2-photos-ui --package=objc2-quartz-core --package=objc2-screen-capture-kit --package=objc2-screen-saver --package=objc2-service-management --package=objc2-social --package=objc2-sound-analysis --package=objc2-speech --package=objc2-store-kit --package=objc2-system-extensions --package=objc2-uniform-type-identifiers --package=objc2-user-notifications --package=objc2-virtualization --package=objc2-vision --package=objc2-web-kit
   FRAMEWORKS_MACOS_14: --package=objc2-accessibility --package=objc2-accounts --package=objc2-ad-services --package=objc2-ad-support --package=objc2-app-kit --package=objc2-app-tracking-transparency --package=objc2-authentication-services --package=objc2-automatic-assessment-configuration --package=objc2-automator --package=objc2-av-kit --package=objc2-background-assets --package=objc2-business-chat --package=objc2-call-kit --package=objc2-class-kit --package=objc2-cloud-kit --package=objc2-contacts --package=objc2-contacts-ui --package=objc2-core-bluetooth --package=objc2-core-data --package=objc2-core-image --package=objc2-core-location --package=objc2-core-ml --package=objc2-core-motion --package=objc2-core-wlan --package=objc2-data-detection --package=objc2-device-check --package=objc2-event-kit --package=objc2-exception-handling --package=objc2-extension-kit --package=objc2-external-accessory --package=objc2-file-provider --package=objc2-file-provider-ui --package=objc2-finder-sync --package=objc2-foundation --package=objc2-game-controller --package=objc2-game-kit --package=objc2-health-kit --package=objc2-identity-lookup --package=objc2-input-method-kit --package=objc2-link-presentation --package=objc2-local-authentication --package=objc2-local-authentication-embedded-ui --package=objc2-mail-kit --package=objc2-map-kit --package=objc2-media-player --package=objc2-metal --package=objc2-metal-fx --package=objc2-metal-kit --package=objc2-metric-kit --package=objc2-ml-compute --package=objc2-multipeer-connectivity --package=objc2-natural-language --package=objc2-nearby-interaction --package=objc2-network-extension --package=objc2-osa-kit --package=objc2-photos --package=objc2-photos-ui --package=objc2-quartz-core --package=objc2-screen-capture-kit --package=objc2-screen-saver --package=objc2-sensitive-content-analysis --package=objc2-service-management --package=objc2-social --package=objc2-sound-analysis --package=objc2-speech --package=objc2-store-kit --package=objc2-symbols --package=objc2-system-extensions --package=objc2-uniform-type-identifiers --package=objc2-user-notifications --package=objc2-virtualization --package=objc2-vision --package=objc2-web-kit
+  FRAMEWORKS_MACOS_15: --package=objc2-accessibility --package=objc2-accounts --package=objc2-ad-services --package=objc2-ad-support --package=objc2-app-kit --package=objc2-app-tracking-transparency --package=objc2-authentication-services --package=objc2-automatic-assessment-configuration --package=objc2-automator --package=objc2-av-kit --package=objc2-background-assets --package=objc2-business-chat --package=objc2-call-kit --package=objc2-class-kit --package=objc2-cloud-kit --package=objc2-contacts --package=objc2-contacts-ui --package=objc2-core-bluetooth --package=objc2-core-data --package=objc2-core-image --package=objc2-core-location --package=objc2-core-ml --package=objc2-core-motion --package=objc2-core-wlan --package=objc2-data-detection --package=objc2-device-check --package=objc2-event-kit --package=objc2-exception-handling --package=objc2-extension-kit --package=objc2-external-accessory --package=objc2-file-provider --package=objc2-file-provider-ui --package=objc2-finder-sync --package=objc2-foundation --package=objc2-game-controller --package=objc2-game-kit --package=objc2-health-kit --package=objc2-identity-lookup --package=objc2-input-method-kit --package=objc2-link-presentation --package=objc2-local-authentication --package=objc2-local-authentication-embedded-ui --package=objc2-mail-kit --package=objc2-map-kit --package=objc2-media-player --package=objc2-metal --package=objc2-metal-fx --package=objc2-metal-kit --package=objc2-metric-kit --package=objc2-ml-compute --package=objc2-multipeer-connectivity --package=objc2-natural-language --package=objc2-nearby-interaction --package=objc2-network-extension --package=objc2-osa-kit --package=objc2-photos --package=objc2-photos-ui --package=objc2-quartz-core --package=objc2-screen-capture-kit --package=objc2-screen-saver --package=objc2-sensitive-content-analysis --package=objc2-service-management --package=objc2-social --package=objc2-sound-analysis --package=objc2-speech --package=objc2-store-kit --package=objc2-symbols --package=objc2-system-extensions --package=objc2-uniform-type-identifiers --package=objc2-user-notifications --package=objc2-virtualization --package=objc2-vision --package=objc2-web-kit
   FRAMEWORKS_IOS_10: --package=objc2-accounts --package=objc2-ad-support --package=objc2-av-kit --package=objc2-call-kit --package=objc2-cloud-kit --package=objc2-contacts --package=objc2-contacts-ui --package=objc2-core-bluetooth --package=objc2-core-data --package=objc2-core-image --package=objc2-core-location --package=objc2-core-motion --package=objc2-event-kit --package=objc2-external-accessory --package=objc2-foundation --package=objc2-game-controller --package=objc2-game-kit --package=objc2-health-kit --package=objc2-local-authentication --package=objc2-map-kit --package=objc2-media-player --package=objc2-metal --package=objc2-metal-kit --package=objc2-multipeer-connectivity --package=objc2-network-extension --package=objc2-photos --package=objc2-photos-ui --package=objc2-quartz-core --package=objc2-social --package=objc2-speech --package=objc2-store-kit --package=objc2-ui-kit --package=objc2-user-notifications
+  FRAMEWORKS_IOS_17: --package=objc2-accessibility --package=objc2-accounts --package=objc2-ad-services --package=objc2-ad-support --package=objc2-app-tracking-transparency --package=objc2-authentication-services --package=objc2-automatic-assessment-configuration --package=objc2-av-kit --package=objc2-background-assets --package=objc2-background-tasks --package=objc2-business-chat --package=objc2-call-kit --package=objc2-class-kit --package=objc2-cloud-kit --package=objc2-contacts --package=objc2-contacts-ui --package=objc2-core-bluetooth --package=objc2-core-data --package=objc2-core-image --package=objc2-core-location --package=objc2-core-ml --package=objc2-core-motion --package=objc2-data-detection --package=objc2-device-check --package=objc2-event-kit --package=objc2-extension-kit --package=objc2-external-accessory --package=objc2-file-provider --package=objc2-file-provider-ui --package=objc2-foundation --package=objc2-game-controller --package=objc2-game-kit --package=objc2-health-kit --package=objc2-identity-lookup --package=objc2-link-presentation --package=objc2-local-authentication --package=objc2-local-authentication-embedded-ui --package=objc2-map-kit --package=objc2-media-player --package=objc2-metal --package=objc2-metal-kit --package=objc2-metric-kit --package=objc2-multipeer-connectivity --package=objc2-natural-language --package=objc2-nearby-interaction --package=objc2-network-extension --package=objc2-photos --package=objc2-photos-ui --package=objc2-quartz-core --package=objc2-sensitive-content-analysis --package=objc2-social --package=objc2-sound-analysis --package=objc2-speech --package=objc2-store-kit --package=objc2-symbols --package=objc2-ui-kit --package=objc2-uniform-type-identifiers --package=objc2-user-notifications --package=objc2-vision --package=objc2-web-kit
+  FRAMEWORKS_TVOS_17: --package=objc2-accessibility --package=objc2-ad-support --package=objc2-app-tracking-transparency --package=objc2-authentication-services --package=objc2-av-kit --package=objc2-background-tasks --package=objc2-cloud-kit --package=objc2-core-bluetooth --package=objc2-core-data --package=objc2-core-image --package=objc2-core-location --package=objc2-core-ml --package=objc2-data-detection --package=objc2-device-check --package=objc2-extension-kit --package=objc2-external-accessory --package=objc2-foundation --package=objc2-game-controller --package=objc2-game-kit --package=objc2-link-presentation --package=objc2-map-kit --package=objc2-media-player --package=objc2-metal --package=objc2-metal-kit --package=objc2-ml-compute --package=objc2-multipeer-connectivity --package=objc2-natural-language --package=objc2-network-extension --package=objc2-photos --package=objc2-photos-ui --package=objc2-quartz-core --package=objc2-sound-analysis --package=objc2-store-kit --package=objc2-symbols --package=objc2-ui-kit --package=objc2-uniform-type-identifiers --package=objc2-user-notifications --package=objc2-vision
+  FRAMEWORKS_MAC_CATALYST_17: --package=objc2-accessibility --package=objc2-accounts --package=objc2-ad-services --package=objc2-ad-support --package=objc2-app-kit --package=objc2-app-tracking-transparency --package=objc2-authentication-services --package=objc2-automatic-assessment-configuration --package=objc2-automator --package=objc2-av-kit --package=objc2-background-assets --package=objc2-background-tasks --package=objc2-business-chat --package=objc2-call-kit --package=objc2-class-kit --package=objc2-cloud-kit --package=objc2-contacts --package=objc2-contacts-ui --package=objc2-core-bluetooth --package=objc2-core-data --package=objc2-core-image --package=objc2-core-location --package=objc2-core-ml --package=objc2-core-motion --package=objc2-core-wlan --package=objc2-data-detection --package=objc2-device-check --package=objc2-event-kit --package=objc2-exception-handling --package=objc2-extension-kit --package=objc2-external-accessory --package=objc2-file-provider-ui --package=objc2-foundation --package=objc2-game-controller --package=objc2-game-kit --package=objc2-health-kit --package=objc2-identity-lookup --package=objc2-link-presentation --package=objc2-local-authentication --package=objc2-local-authentication-embedded-ui --package=objc2-map-kit --package=objc2-media-player --package=objc2-metal --package=objc2-metal-fx --package=objc2-metal-kit --package=objc2-metric-kit --package=objc2-ml-compute --package=objc2-multipeer-connectivity --package=objc2-natural-language --package=objc2-nearby-interaction --package=objc2-network-extension --package=objc2-photos --package=objc2-photos-ui --package=objc2-quartz-core --package=objc2-sensitive-content-analysis --package=objc2-service-management --package=objc2-social --package=objc2-sound-analysis --package=objc2-speech --package=objc2-store-kit --package=objc2-symbols --package=objc2-ui-kit --package=objc2-uniform-type-identifiers --package=objc2-user-notifications --package=objc2-vision --package=objc2-web-kit
+  FRAMEWORKS_VISIONOS_1: --package=objc2-accessibility --package=objc2-ad-services --package=objc2-app-tracking-transparency --package=objc2-authentication-services --package=objc2-automatic-assessment-configuration --package=objc2-av-kit --package=objc2-background-assets --package=objc2-background-tasks --package=objc2-call-kit --package=objc2-class-kit --package=objc2-cloud-kit --package=objc2-contacts --package=objc2-contacts-ui --package=objc2-core-bluetooth --package=objc2-core-data --package=objc2-core-image --package=objc2-core-location --package=objc2-core-ml --package=objc2-core-motion --package=objc2-data-detection --package=objc2-device-check --package=objc2-event-kit --package=objc2-extension-kit --package=objc2-external-accessory --package=objc2-file-provider --package=objc2-file-provider-ui --package=objc2-foundation --package=objc2-game-controller --package=objc2-game-kit --package=objc2-health-kit --package=objc2-identity-lookup --package=objc2-link-presentation --package=objc2-local-authentication --package=objc2-local-authentication-embedded-ui --package=objc2-map-kit --package=objc2-media-player --package=objc2-metal --package=objc2-metal-fx --package=objc2-metal-kit --package=objc2-metric-kit --package=objc2-multipeer-connectivity --package=objc2-natural-language --package=objc2-network-extension --package=objc2-photos --package=objc2-photos-ui --package=objc2-quartz-core --package=objc2-sound-analysis --package=objc2-speech --package=objc2-store-kit --package=objc2-symbols --package=objc2-ui-kit --package=objc2-uniform-type-identifiers --package=objc2-user-notifications --package=objc2-vision --package=objc2-web-kit
+  FRAMEWORKS_WATCHOS_10: --package=objc2-accessibility --package=objc2-authentication-services --package=objc2-av-kit --package=objc2-call-kit --package=objc2-cloud-kit --package=objc2-contacts --package=objc2-core-bluetooth --package=objc2-core-data --package=objc2-core-location --package=objc2-core-ml --package=objc2-core-motion --package=objc2-data-detection --package=objc2-device-check --package=objc2-event-kit --package=objc2-extension-kit --package=objc2-foundation --package=objc2-game-kit --package=objc2-health-kit --package=objc2-local-authentication --package=objc2-map-kit --package=objc2-media-player --package=objc2-natural-language --package=objc2-nearby-interaction --package=objc2-network-extension --package=objc2-photos-ui --package=objc2-sound-analysis --package=objc2-store-kit --package=objc2-symbols --package=objc2-ui-kit --package=objc2-uniform-type-identifiers --package=objc2-user-notifications
   FRAMEWORKS_GNUSTEP: --package=objc2-app-kit --package=objc2-foundation
   # END AUTOMATICALLY GENERATED
 
@@ -67,11 +74,6 @@ env:
     ~/.cargo/registry/index/
     ~/.cargo/registry/cache/
     ~/.cargo/git/db/
-  # Only enable time-consuming checks when about to do a new release
-  #
-  # This condition is duplicated a few places, since there's no good way to
-  # deduplicate such information in GitHub Actions...
-  FULL: ${{ (github.head_ref == 'new-versions' || github.ref_name == 'ci-full') && true || '' }}
 
 jobs:
   fmt:
@@ -100,20 +102,32 @@ jobs:
       fail-fast: false
       matrix:
         include:
-        - name: macOS 64bit
-          target: aarch64-apple-darwin
+        # Check three major architectures (x86_64, Aarch64 and any 32bit), and
+        # test three OS'es (macOS, iOS and a more obscure one, visionOS simulator).
+        #
+        # This should give us fairly good coverage for normal PRs.
+        - name: macOS x86_64
+          target: x86_64-apple-darwin
           args: $PUBLIC_CRATES $FRAMEWORKS_MACOS_14 $INTERESTING_FEATURES
-        - name: iOS 32bit
+        - name: iOS ARMv7s
           target: armv7s-apple-ios
           build-std: true
           # `cc` works poorly when cross-compiling, so let's ignore `objc2-exception-helper` for now.
-          args: --package=block2 --package=objc2 --package=objc2-encode --package=objc2-proc-macros $FRAMEWORKS_IOS_10 $INTERESTING_FEATURES -Zbuild-std
+          args: --package=block2 --package=objc2 --package=objc2-encode --package=objc2-proc-macros $FRAMEWORKS_IOS_17 $INTERESTING_FEATURES -Zbuild-std
+        - name: visionOS Aarch64 simulator
+          target: aarch64-apple-visionos-sim
+          build-std: true
+          # `cc` works poorly when cross-compiling, so let's ignore `objc2-exception-helper` for now.
+          args: --package=block2 --package=objc2 --package=objc2-encode --package=objc2-proc-macros $FRAMEWORKS_VISIONOS_1 $INTERESTING_FEATURES -Zbuild-std
+
         - name: GNUStep + exceptions
           target: x86_64-unknown-linux-gnu
           args: $PUBLIC_CRATES $FRAMEWORKS_GNUSTEP $INTERESTING_FEATURES --features=gnustep-1-9,catch-all
+
         - name: header-translator
           target: x86_64-unknown-linux-gnu
           args: -pheader-translator
+
         - name: test-assembly
           target: x86_64-unknown-linux-gnu
           args: -ptest-assembly
@@ -257,7 +271,7 @@ jobs:
       run: cargo run --bin=test-assembly -- -Z build-std --target=x86_64-apple-darwin
 
     - name: Run all assembly tests
-      if: ${{ env.FULL }}
+      if: ${{ github.ref_name == 'ci-full' }}
       run: ./helper-scripts/run-assembly-tests.sh
 
     - name: Check diff
@@ -266,7 +280,7 @@ jobs:
 
   header-translator:
     name: Verify header translator output
-    runs-on: macos-15
+    runs-on: macos-15 # Aarch64
     needs:
     - fmt
     - lint
@@ -295,11 +309,10 @@ jobs:
       run: git diff --exit-code --submodule=diff
 
   check-framework-features:
-    # if: ${{ env.FULL }}
     # This will take ~40 minutes
-    if: ${{ github.head_ref == 'new-versions' || github.ref_name == 'ci-full' }}
+    if: ${{ github.ref_name == 'ci-full' }}
     name: Check framework features
-    runs-on: macos-12
+    runs-on: macos-15 # Aarch64
     needs:
     - fmt
     - lint
@@ -321,9 +334,11 @@ jobs:
     - name: Check frameworks with each feature enabled separately
       run: cargo run --bin=check_framework_features
 
+  # We make sure to have at least one check on macOS that actually runs the code,
+  # but all other tests are only run if absolutely needed (see `test-apple` below).
   test-macos:
-    name: Test macOS 12
-    runs-on: macos-12
+    name: Test macOS 15 Aarch64
+    runs-on: macos-15 # Aarch64
     needs:
     - fmt
     # Currently the slowest check, so let's get it started as soon as possible
@@ -352,10 +367,9 @@ jobs:
       run: cargo test $PUBLIC_CRATES $FRAMEWORKS_MACOS_10_12 -ptests $INTERESTING_FEATURES
 
   test-apple:
-    # if: ${{ env.FULL }}
-    if: ${{ github.head_ref == 'new-versions' || github.ref_name == 'ci-full' }}
-    name: ${{ matrix.name }}
-    runs-on: ${{ matrix.os || 'macos-latest' }}
+    if: ${{ github.ref_name == 'ci-full' }}
+    name: ${{ matrix.test && 'Test' || 'Build' }} ${{ matrix.name }}
+    runs-on: ${{ matrix.os }}
     needs:
     - fmt
     - lint
@@ -366,53 +380,83 @@ jobs:
       fail-fast: true
       matrix:
         include:
-        - name: Test macOS 13
+        # Reasonably varied set of macOS targets.
+        - name: macOS 12 x86_64
           target: x86_64-apple-darwin
-          os: macos-13
+          os: macos-12 # x86_64
           frameworks: MACOS_13
-        - name: Test macOS 14
+          test: true
+        - name: macOS 15 AArch64
           target: aarch64-apple-darwin
-          os: macos-14
-          frameworks: MACOS_14
-        - name: Build macOS AArch64
-          target: aarch64-apple-darwin
-          frameworks: MACOS_11
-        - name: Test macOS old SDK
-          target: x86_64-apple-darwin
-          # Oldest macOS version we support
-          sdk: "10.12"
-          frameworks: MACOS_10_12
-          # The SDK itself only supports compiling build scripts for x86_64
-          os: macos-13
-        - name: Test macOS nightly
+          os: macos-15 # Aarch64
+          frameworks: MACOS_15
+          test: true
+        - name: macOS 14 Aarch64 nightly
           target: aarch64-apple-darwin
+          os: macos-14 # Aarch64
+          frameworks: MACOS_14
           nightly: true
-          frameworks: MACOS_11
-        - name: Build macOS 32bit
+          test: true
+
+        # Old macOS targets.
+        - name: macOS 13 x86 with 10.13 SDK
           target: i686-apple-darwin
+          # The SDK itself only supports compiling build scripts for x86_64
+          os: macos-13 # x86_64
+          frameworks: MACOS_10_13
           nightly: true
           build-std: true
           # Newest SDK that supports 32-bit
           sdk: "10.13"
-          frameworks: MACOS_10_13
-          # The SDK itself only supports compiling build scripts for x86_64
-          os: macos-13
-        - name: Build iOS simulator ARM64
-          target: aarch64-apple-ios-sim
-          frameworks: IOS_10
-        - name: Build iOS ARM64
-          target: aarch64-apple-ios
-          frameworks: IOS_10
-        - name: Build iOS ARMv7s
-          target: armv7s-apple-ios
+        - name: macOS 13 x86_64 with 10.12 SDK
+          target: x86_64-apple-darwin
+          os: macos-13 # x86_64
+          frameworks: MACOS_10_12
+          # Oldest macOS version we support.
+          # The SDK itself only supports compiling build scripts for x86_64.
+          sdk: "10.12"
+          test: true
+
+        # A reasonably varied set of iOS/tvOS/watchOS/visionOS targets.
+        - name: iOS x86_64 simulator
+          target: x86_64-apple-ios
+          os: macos-14 # Aarch64
+          frameworks: IOS_17
+        - name: Mac Catalyst Aarch64
+          target: aarch64-apple-ios-macabi
+          os: macos-14 # Aarch64
+          frameworks: MAC_CATALYST_17
+          test: true
+        - name: visionOS Aarch64
+          target: aarch64-apple-visionos
+          os: macos-14 # Aarch64
+          frameworks: VISIONOS_1
           nightly: true
           build-std: true
+        - name: tvOS Aarch64
+          target: aarch64-apple-tvos
+          os: macos-14 # Aarch64
+          frameworks: TVOS_17
+          nightly: true
+          build-std: true
+        - name: watchOS ARM64_32
+          target: arm64_32-apple-watchos
+          os: macos-14 # Aarch64
+          frameworks: WATCHOS_10
+          nightly: true
+          build-std: true
+        - name: iOS ARMv7s
+          target: armv7s-apple-ios
+          os: macos-14 # Aarch64
           frameworks: IOS_10
-        - name: Build iOS 32bit x86
-          target: i386-apple-ios
           nightly: true
           build-std: true
+        - name: iOS x86
+          target: i386-apple-ios
+          os: macos-14 # Aarch64
           frameworks: IOS_10
+          nightly: true
+          build-std: true
 
     env:
       CARGO_BUILD_TARGET: ${{ matrix.target }}
@@ -420,7 +464,9 @@ jobs:
       # So we pass `--no-run` when building for other targets.
       ARGS: >-
         ${{ matrix.build-std && '-Zbuild-std -Zdoctest-xcompile' }}
-        ${{ matrix.target && '--no-run' }}
+        ${{ matrix.test && '' || '--no-run' }}
+      # Mac Catalyst requires a higher version.
+      IPHONEOS_DEPLOYMENT_TARGET: ${{ contains(matrix.target, 'macabi') && '13.1' || '10.0' }}
 
     steps:
     - uses: actions/checkout@v4
@@ -497,17 +543,16 @@ jobs:
     # TODO: Re-enable this on all of Foundation once we do some form of
     # availability checking.
     - name: Test static class and selectors
-      if: ${{ !contains(matrix.frameworks, 'IOS') && !contains(matrix.frameworks, 'MACOS_10_12') }}
+      if: ${{ matrix.frameworks == 'MACOS_15' }}
       run: >-
         cargo test $ARGS $PUBLIC_CRATES -ptests -pobjc2-foundation
         --features=unstable-static-sel,unstable-static-class,unstable-static-nsstring
         --features=NSString
 
   test-ios:
-    # if: ${{ env.FULL }}
-    if: ${{ github.head_ref == 'new-versions' || github.ref_name == 'ci-full' }}
+    if: ${{ github.ref_name == 'ci-full' }}
     name: Test on iOS simulator w. dinghy
-    runs-on: macos-13
+    runs-on: macos-13 # x86_64
     needs:
     - fmt
     - lint
@@ -752,12 +797,12 @@ jobs:
       run: cargo test --features=${{ matrix.runtime }} $PUBLIC_CRATES $INTERESTING_FEATURES -ptests -pobjc2-foundation --features=catch-all
 
     - name: Test all frameworks
-      if: ${{ env.FULL && matrix.target == 'x86_64-unknown-linux-gnu' }}
+      if: ${{ github.ref_name == 'ci-full' && matrix.target == 'x86_64-unknown-linux-gnu' }}
       run: cargo test --features=${{ matrix.runtime }} $PUBLIC_CRATES $INTERESTING_FEATURES -ptests $FRAMEWORKS_GNUSTEP --features=catch-all
 
     - name: Test in release mode
       # Disabled on GNUStep 2.1 for now
-      if: ${{ env.FULL && matrix.runtime != 'gnustep-2-1' }}
+      if: ${{ github.ref_name == 'ci-full' && matrix.runtime != 'gnustep-2-1' }}
       run: cargo test --features=${{ matrix.runtime }} $PUBLIC_CRATES -pobjc2-foundation --release
 
     - name: Run fuzzing
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 63f0ffa43..de2048c23 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -73,7 +73,7 @@ If you're confused about this, don't worry too much about it, if you enable
 Copy and fill out the following checklist into the release PR:
 
 ```markdown
-- [ ] The branch is named `new-versions`, such that the full CI will run.
+- [ ] The branch is named `ci-full`, such that the full CI will run.
 - [ ] Changelogs have only been modified under the `Unreleased` header.
 - [ ] Version numbers are bumped in the following order:
     - `objc2-proc-macros`
diff --git a/crates/header-translator/src/main.rs b/crates/header-translator/src/main.rs
index 07fb80520..3bfe88033 100644
--- a/crates/header-translator/src/main.rs
+++ b/crates/header-translator/src/main.rs
@@ -490,7 +490,7 @@ fn update_ci(workspace_dir: &Path, config: &Config) -> io::Result<()> {
             .is_some_and(|v| VersionReq::parse("<=10.12").unwrap().matches(v))
             // HACK: These depend on `objc2-uniform-type-identifiers`, which
             // is not available on macOS 10.12, but will be enabled by `"all"`
-            && !["objc2-file-provider", "objc2-health-kit", "objc2-photos"].contains(&&*lib.krate)
+            && !["objc2-app-kit", "objc2-file-provider", "objc2-health-kit", "objc2-photos"].contains(&&*lib.krate)
     })?;
     writer(&mut ci, config, "FRAMEWORKS_MACOS_10_13", |lib| {
         lib.macos
@@ -498,7 +498,7 @@ fn update_ci(workspace_dir: &Path, config: &Config) -> io::Result<()> {
             .is_some_and(|v| VersionReq::parse("<=10.13").unwrap().matches(v))
             // HACK: These depend on `objc2-uniform-type-identifiers`, which
             // is not available on macOS 10.13, but will be enabled by `"all"`
-            && !["objc2-file-provider", "objc2-health-kit", "objc2-photos"].contains(&&*lib.krate)
+            && !["objc2-app-kit", "objc2-file-provider", "objc2-health-kit", "objc2-photos"].contains(&&*lib.krate)
     })?;
     writer(&mut ci, config, "FRAMEWORKS_MACOS_11", |lib| {
         lib.macos
@@ -520,11 +520,43 @@ fn update_ci(workspace_dir: &Path, config: &Config) -> io::Result<()> {
             .as_ref()
             .is_some_and(|v| VersionReq::parse("<=14.0").unwrap().matches(v))
     })?;
+    writer(&mut ci, config, "FRAMEWORKS_MACOS_15", |lib| {
+        lib.macos
+            .as_ref()
+            .is_some_and(|v| VersionReq::parse("<=15.0").unwrap().matches(v))
+    })?;
     writer(&mut ci, config, "FRAMEWORKS_IOS_10", |lib| {
         lib.ios
             .as_ref()
             .is_some_and(|v| VersionReq::parse("<=10.0").unwrap().matches(v))
     })?;
+    writer(&mut ci, config, "FRAMEWORKS_IOS_17", |lib| {
+        lib.ios
+            .as_ref()
+            .is_some_and(|v| VersionReq::parse("<=17.0").unwrap().matches(v))
+            // HACK: MLCompute and MetalFX are only available on Aarch64
+            && !["objc2-ml-compute", "objc2-metal-fx"].contains(&&*lib.krate)
+    })?;
+    writer(&mut ci, config, "FRAMEWORKS_TVOS_17", |lib| {
+        lib.tvos
+            .as_ref()
+            .is_some_and(|v| VersionReq::parse("<=17.0").unwrap().matches(v))
+    })?;
+    writer(&mut ci, config, "FRAMEWORKS_MAC_CATALYST_17", |lib| {
+        lib.maccatalyst
+            .as_ref()
+            .is_some_and(|v| VersionReq::parse("<=17.0").unwrap().matches(v))
+    })?;
+    writer(&mut ci, config, "FRAMEWORKS_VISIONOS_1", |lib| {
+        lib.visionos
+            .as_ref()
+            .is_some_and(|v| VersionReq::parse("<=1.0").unwrap().matches(v))
+    })?;
+    writer(&mut ci, config, "FRAMEWORKS_WATCHOS_10", |lib| {
+        lib.watchos
+            .as_ref()
+            .is_some_and(|v| VersionReq::parse("<=10.0").unwrap().matches(v))
+    })?;
     writer(&mut ci, config, "FRAMEWORKS_GNUSTEP", |lib| lib.gnustep)?;
 
     write!(&mut ci, "  # END AUTOMATICALLY GENERATED{after}")?;
diff --git a/crates/objc2/Cargo.toml b/crates/objc2/Cargo.toml
index 7d99d14dd..2c5591e65 100644
--- a/crates/objc2/Cargo.toml
+++ b/crates/objc2/Cargo.toml
@@ -123,6 +123,7 @@ static_assertions = "1.1.0"
 memoffset = "0.9.0"
 block2 = { path = "../block2", default-features = false }
 objc2-foundation = { path = "../../framework-crates/objc2-foundation", default-features = false, features = [
+    "NSArray",
     "NSDate",
     "NSDictionary",
     "NSEnumerator",
diff --git a/framework-crates/objc2-metal/examples/triangle.rs b/framework-crates/objc2-metal/examples/triangle.rs
index 19314d92a..5d8b796f4 100644
--- a/framework-crates/objc2-metal/examples/triangle.rs
+++ b/framework-crates/objc2-metal/examples/triangle.rs
@@ -1,5 +1,6 @@
 #![deny(unsafe_op_in_unsafe_fn)]
 #![allow(clippy::incompatible_msrv)]
+#![cfg_attr(not(target_os = "macos"), allow(dead_code, unused))]
 
 use core::{cell::OnceCell, ptr::NonNull};
 
@@ -8,6 +9,7 @@ use objc2::runtime::ProtocolObject;
 use objc2::{
     declare_class, msg_send_id, ClassType, DeclaredClass, MainThreadMarker, MainThreadOnly,
 };
+#[cfg(target_os = "macos")]
 use objc2_app_kit::{
     NSApplication, NSApplicationActivationPolicy, NSApplicationDelegate, NSBackingStoreType,
     NSWindow, NSWindowStyleMask,
@@ -20,6 +22,7 @@ use objc2_metal::{
     MTLLibrary, MTLPackedFloat3, MTLPrimitiveType, MTLRenderCommandEncoder,
     MTLRenderPipelineDescriptor, MTLRenderPipelineState,
 };
+#[cfg(target_os = "macos")]
 use objc2_metal_kit::{MTKView, MTKViewDelegate};
 
 #[derive(Copy, Clone)]
@@ -58,6 +61,7 @@ struct Ivars {
     start_date: Retained<NSDate>,
     command_queue: OnceCell<Retained<ProtocolObject<dyn MTLCommandQueue>>>,
     pipeline_state: OnceCell<Retained<ProtocolObject<dyn MTLRenderPipelineState>>>,
+    #[cfg(target_os = "macos")]
     window: OnceCell<Retained<NSWindow>>,
 }
 
@@ -82,6 +86,7 @@ declare_class!(
     unsafe impl NSObjectProtocol for Delegate {}
 
     // define the delegate methods for the `NSApplicationDelegate` protocol
+    #[cfg(target_os = "macos")]
     unsafe impl NSApplicationDelegate for Delegate {
         #[method(applicationDidFinishLaunching:)]
         #[allow(non_snake_case)]
@@ -176,6 +181,7 @@ declare_class!(
     }
 
     // define the delegate methods for the `MTKViewDelegate` protocol
+    #[cfg(target_os = "macos")] // TODO: Support iOS
     unsafe impl MTKViewDelegate for Delegate {
         #[method(drawInMTKView:)]
         #[allow(non_snake_case)]
@@ -288,12 +294,14 @@ impl Delegate {
             start_date: unsafe { NSDate::now() },
             command_queue: OnceCell::default(),
             pipeline_state: OnceCell::default(),
+            #[cfg(target_os = "macos")]
             window: OnceCell::default(),
         });
         unsafe { msg_send_id![super(this), init] }
     }
 }
 
+#[cfg(target_os = "macos")]
 fn main() {
     let mtm = MainThreadMarker::new().unwrap();
     // configure the app
@@ -308,3 +316,8 @@ fn main() {
     // run the app
     app.run();
 }
+
+#[cfg(not(target_os = "macos"))]
+fn main() {
+    panic!("This example is currently only supported on macOS");
+}
diff --git a/framework-crates/objc2-web-kit/examples/browser.rs b/framework-crates/objc2-web-kit/examples/browser.rs
index b8768f24b..0d49c05f2 100644
--- a/framework-crates/objc2-web-kit/examples/browser.rs
+++ b/framework-crates/objc2-web-kit/examples/browser.rs
@@ -1,5 +1,6 @@
 #![deny(unsafe_op_in_unsafe_fn)]
 #![allow(clippy::incompatible_msrv)]
+#![cfg_attr(not(target_os = "macos"), allow(dead_code, unused))]
 use core::cell::OnceCell;
 
 use objc2::{
@@ -9,6 +10,7 @@ use objc2::{
     sel, ClassType, DeclaredClass, MainThreadMarker, MainThreadOnly,
 };
 #[allow(deprecated)]
+#[cfg(target_os = "macos")]
 use objc2_app_kit::{
     NSApplication, NSApplicationActivationPolicy, NSApplicationDelegate, NSBackingStoreType,
     NSBezelStyle, NSButton, NSColor, NSControl, NSControlTextEditingDelegate, NSLayoutAttribute,
@@ -19,6 +21,7 @@ use objc2_foundation::{
     ns_string, NSNotification, NSObject, NSObjectProtocol, NSPoint, NSRect, NSSize, NSURLRequest,
     NSURL,
 };
+#[cfg(target_os = "macos")]
 use objc2_web_kit::{WKNavigation, WKNavigationDelegate, WKWebView};
 
 macro_rules! idcell {
@@ -41,8 +44,11 @@ macro_rules! idcell {
 
 #[derive(Default)]
 struct Ivars {
+    #[cfg(target_os = "macos")]
     nav_url: OnceCell<Retained<NSTextField>>,
+    #[cfg(target_os = "macos")]
     web_view: OnceCell<Retained<WKWebView>>,
+    #[cfg(target_os = "macos")]
     window: OnceCell<Retained<NSWindow>>,
 }
 
@@ -65,6 +71,7 @@ declare_class!(
 
     unsafe impl NSObjectProtocol for Delegate {}
 
+    #[cfg(target_os = "macos")]
     unsafe impl NSApplicationDelegate for Delegate {
         #[method(applicationDidFinishLaunching:)]
         #[allow(non_snake_case)]
@@ -245,6 +252,7 @@ declare_class!(
         }
     }
 
+    #[cfg(target_os = "macos")]
     unsafe impl NSControlTextEditingDelegate for Delegate {
         #[method(control:textView:doCommandBySelector:)]
         #[allow(non_snake_case)]
@@ -265,8 +273,10 @@ declare_class!(
         }
     }
 
+    #[cfg(target_os = "macos")]
     unsafe impl NSTextFieldDelegate for Delegate {}
 
+    #[cfg(target_os = "macos")] // TODO: Enable this on iOS
     unsafe impl WKNavigationDelegate for Delegate {
         #[method(webView:didFinishNavigation:)]
         #[allow(non_snake_case)]
@@ -293,6 +303,7 @@ impl Delegate {
     }
 }
 
+#[cfg(target_os = "macos")]
 fn main() {
     let mtm = MainThreadMarker::new().unwrap();
     let app = NSApplication::sharedApplication(mtm);
@@ -306,3 +317,8 @@ fn main() {
     // run the app
     app.run();
 }
+
+#[cfg(not(target_os = "macos"))]
+fn main() {
+    panic!("This example is currently only supported on macOS");
+}
diff --git a/helper-scripts/test-local.sh b/helper-scripts/test-local.sh
index c5d636816..08557fd58 100644
--- a/helper-scripts/test-local.sh
+++ b/helper-scripts/test-local.sh
@@ -6,7 +6,7 @@ set -euxo pipefail
 export CARGO_TARGET_DIR=$HOME/Desktop/objc2-target
 export MACOSX_DEPLOYMENT_TARGET=10.12
 export CRATES='--package=block2 --package=objc2 --package=objc2-encode --package=objc2-proc-macros --package=tests'
-export FRAMEWORKS_MACOS_10_12='--package=objc2-accounts --package=objc2-app-kit --package=objc2-automator --package=objc2-av-kit --package=objc2-cloud-kit --package=objc2-contacts --package=objc2-contacts-ui --package=objc2-core-bluetooth --package=objc2-core-data --package=objc2-core-image --package=objc2-core-location --package=objc2-core-wlan --package=objc2-event-kit --package=objc2-exception-handling --package=objc2-finder-sync --package=objc2-foundation --package=objc2-game-controller --package=objc2-game-kit --package=objc2-input-method-kit --package=objc2-local-authentication --package=objc2-map-kit --package=objc2-media-player --package=objc2-metal --package=objc2-metal-kit --package=objc2-multipeer-connectivity --package=objc2-network-extension --package=objc2-osa-kit --package=objc2-photos-ui --package=objc2-quartz-core --package=objc2-screen-saver --package=objc2-service-management --package=objc2-social --package=objc2-store-kit --package=objc2-web-kit'
+export FRAMEWORKS_MACOS_10_12='--package=objc2-accounts --package=objc2-automator --package=objc2-av-kit --package=objc2-cloud-kit --package=objc2-contacts --package=objc2-contacts-ui --package=objc2-core-bluetooth --package=objc2-core-data --package=objc2-core-image --package=objc2-core-location --package=objc2-core-wlan --package=objc2-event-kit --package=objc2-exception-handling --package=objc2-finder-sync --package=objc2-foundation --package=objc2-game-controller --package=objc2-game-kit --package=objc2-input-method-kit --package=objc2-local-authentication --package=objc2-map-kit --package=objc2-media-player --package=objc2-metal --package=objc2-metal-kit --package=objc2-multipeer-connectivity --package=objc2-network-extension --package=objc2-osa-kit --package=objc2-photos-ui --package=objc2-quartz-core --package=objc2-screen-saver --package=objc2-service-management --package=objc2-social --package=objc2-store-kit --package=objc2-web-kit'
 export FRAMEWORKS_IOS_9='--package=objc2-foundation --package=objc2-metal'
 
 # Test on macOS 32bit