Cloud SDK 317.0.0 is now available

[James Wu]

Hi all,

Cloud SDK 317.0.0 is now available for download at:
https://developers.google.com/cloud/sdk/

Release notes can be found here:
https://cloud.google.com/sdk/docs/release-notes

 ## 317.0.0 (2020-11-03)

### Breaking Changes

*   **(App Engine Flexible Environment)** Modified deployment prerequisites such that `app.yaml` is now required for all
  deployments and can no longer be added to `.gcloudignore` list.


### AI

* Added `gcloud beta ai endpoints explain` to send explanation requests to AI
  Platform endpoints.

### Artifact Registry

* Updated Maven print-settings with service account key to use preemptive for HEAD requests.
* Promoted `gcloud artifacts` command group to GA.

### Cloud Asset Inventory

* Promoted Cloud assets analysis commands `gcloud asset analyze-iam-policy` and `gcloud asset analyze-iam-policy-longrunning` to GA.

### Cloud Billing

* Promoted `gcloud billing budgets` to beta.

### Cloud Build

* Added the flag `--pack` to the command `gcloud builds submit`.

### Cloud Functions

*   Promoted `build-env-vars` flags of `gcloud functions` to GA.

### Cloud IAM

* Updated `gcloud iam service-accounts keys list` to remove the non-functional
  `--uri` flag.

### Cloud Run

* Added `gcloud run regions list` command to list supported Cloud Run (fully
  managed) regions.

### Compute Engine

* Enabled Patch support for target-http-proxies import command in GA.

### Eventarc

*   Added `gcloud beta eventarc` which manages Eventarc resources.

### Firebase Test Lab

* Promoted `--testing-special-entitlements` flag of `gcloud firebase test ios run` to GA.
* Increased the maximum number of test shards from 250 to 500 when using Android virtual devices.

### Identity and Access Management

*   Added `gcloud beta iam workload-identity-pools create-cred-config` to create
    a credential config file that can grant non-Google Cloud workloads access to
    Google Cloud resources, without using a service account key.

### Kubernetes Engine

* Added `--ephemeral-storage` to `gcloud beta container clusters create` and `gcloud beta container node-pools create`. This flag is used to configure nodes' ephemeral storage to be backed by local SSDs.


Subscribe to these release notes at [https://groups.google.com/forum/#!forum/google-cloud-sdk-announce](https://groups.google.com/forum/#!forum/google-cloud-sdk-announce).

 As always, please let us know of any issues or feedback you may have via our issue tracker: <https://issuetracker.google.com/issues/new?component=187143>. You can also ask for help on Stack Overflow, under the `gcloud` tag, or in the google-c...@googlegroups.com mailing list.