| **Date:** January 10, 2023 |
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| **Version:** F9 |
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| The following changes have been implemented. |
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| ### Application Runtimes (Flutter, Starnix, and Web) |
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| **Issue:** Build out kernel functionality to support Starnix New Execution Model. |
| **Impact:** Restricted mode executor was added to Starnix to run by default. |
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| ### Cobalt |
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| All metrics producers have been migrated to Cobalt 1.1 and their 1.0 metric definitions have been deleted. |
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| ### Developer |
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| - `ffx debug/zxdb` can now do the following: |
| - List running components. |
| - Find the component associated with a process. |
| - Attach directly to components via their URL. |
| - Launch tests and attach to them. |
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| - Fast component updates are now possible with the new `ffx component reload` command. See [Reload](/docs/development/components/run.md#reloading) for details. |
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| - Improvements were made to the Bazel workflow to include the following: |
| - Bazel binary is now downloaded to the `tools/bazel` directory when you run the `scripts/bootstrap.sh` script. See the changes in the SDK get-started guide on [fuchsia.dev](http://fuchsia.dev/). |
| - Bazel commands must be executed from `tools/bazel` to ensure the correct version of Bazel is used. |
| - Running `tools/ffx` automatically bootstraps Bazel and the SDK if needed. |
| - Bazel tests can now be run on `fuchsia_tests` targets to execute multiple tests at once. |
| - `ffx` and other tooling changes include the following: |
| - The ``tools/ffx product-bundle get`` command will fail if another product bundle with the same name is already cached on your host machine, such as from a different SDK version. |
| - When registering a package repository, users must now specify *all* applicable aliases. For example, `tools/ffx target repository register -r workstation-packages --alias fuchsia.com --alias chromium.org`. |
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| ### Graphics and Media |
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| - Improved playback for videos that switch streams (e.g. YouTube). |
| - USB camera frame rate improved to 30 frames per second. |
| - Intel display and GPU drivers officially support Tiger Lake devices. |
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| ### Software Delivery |
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| - Added support for the new update package format to significantly reduce the size of update packages, specified by [RFC-0170](/docs/contribute/governance/rfcs/0170_remove_binary_images_from_the_update_package.md). |
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| - Added support for eager package updates, which allows periodic update checks for single packages that will be updated out-of-band of the system image, specified by [RFC-0135](/docs/contribute/governance/rfcs/0135_package_abi_revision.md). |
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| ### Virtualization |
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| - Ported `virtio-balloon`, `virtio-console`, `virtio-gpu`, `virtio-input`, and `virtio-vsock` devices to Rust. |
| - All in-process support for virtio devices has been removed. All devices now run as isolated components. |
| - Graceful VM shutdown has been implemented. |
| - Support to use `fxfs` files in virtio-block using the block-device protocol has been added. |
