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stt 3.2 preview updates
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‎articles/ai-services/cognitive-services-and-machine-learning.md

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Azure AI services provides machine learning capabilities to solve general problems such as analyzing text for emotional sentiment or analyzing images to recognize objects or faces. You don't need special machine learning or data science knowledge to use these services.
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[Azure AI services](./what-are-ai-services.md) is a group of services, each supporting different, generalized prediction capabilities. The services are divided into different categories to help you find the right service.
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|Service category|Purpose|
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|--|--|
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|[Decision](https://azure.microsoft.com/services/cognitive-services/directory/decision/)|Build apps that surface recommendations for informed and efficient decision-making.|
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|[Language](https://azure.microsoft.com/services/cognitive-services/directory/lang/)|Allow your apps to process natural language with pre-built scripts, evaluate sentiment and learn how to recognize what users want.|
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|[Search](https://azure.microsoft.com/services/cognitive-services/directory/search/)|Add Bing Search APIs to your apps and harness the ability to comb billions of webpages, images, videos, and news with a single API call.|
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|[Speech](https://azure.microsoft.com/services/cognitive-services/directory/speech/)|Convert speech into text and text into natural-sounding speech. Translate from one language to another and enable speaker verification and recognition.|
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|[Vision](https://azure.microsoft.com/services/cognitive-services/directory/vision/)|Recognize, identify, caption, index, and moderate your pictures, videos, and digital ink content.|
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[Azure AI services](./what-are-ai-services.md) is a group of services, each supporting different, generalized prediction capabilities.
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Use Azure AI services when you:
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The services are used in any application that can make REST API(s) or SDK calls. Examples of applications include web sites, bots, virtual or mixed reality, desktop and mobile applications.
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## How is Azure Cognitive Search related to Azure AI services?
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[Azure Cognitive Search](../search/search-what-is-azure-search.md) is a separate cloud search service that optionally uses Azure AI services to add image and natural language processing to indexing workloads. Azure AI services is exposed in Azure Cognitive Search through [built-in skills](../search/cognitive-search-predefined-skills.md) that wrap individual APIs. You can use a free resource for walkthroughs, but plan on creating and attaching a [billable resource](../search/cognitive-search-attach-cognitive-services.md) for larger volumes.
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## How can you use Azure AI services?
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Each service provides information about your data. You can combine services together to chain solutions such as converting speech (audio) to text, translating the text into many languages, then using the translated languages to get answers from a knowledge base. While Azure AI services can be used to create intelligent solutions on their own, they can also be combined with traditional machine learning projects to supplement models or accelerate the development process.

‎articles/ai-services/speech-service/batch-transcription-create.md

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Whisper models via batch transcription are supported in the East US, Southeast Asia, and West Europe regions.
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::: zone pivot="rest-api"
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You can make a [Models_ListBaseModels](https://github.com/Azure/azure-rest-api-specs/tree/main/specification/cognitiveservices/data-plane/Speech/SpeechToText/preview/v3.2-preview.1) request to get available base models for all locales.
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You can make a [Models_ListBaseModels](https://westus.dev.cognitive.microsoft.com/docs/services/speech-to-text-api-v3-2-preview1/operations/Models_ListBaseModels) request to get available base models for all locales.
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Make an HTTP GET request as shown in the following example for the `eastus` region. Replace `YourSubscriptionKey` with your Speech resource key. Replace `eastus` if you're using a different region.
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```azurecli-interactive
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curl -v -X GET "https://eastus.api.cognitive.microsoft.com/speechtotext/v3.2-preview.1/models/base" -H "Ocp-Apim-Subscription-Key: YourSubscriptionKey"
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```
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By default only the 100 oldest base models are returned, so you can use the `skip` and `top` query parameters to page through the results. For example, the following request returns the next 100 base models after the first 100.
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```azurecli-interactive
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curl -v -X GET "https://eastus.api.cognitive.microsoft.com/speechtotext/v3.2-preview.1/models/base?skip=100&top=100" -H "Ocp-Apim-Subscription-Key: YourSubscriptionKey"
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``````
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::: zone-end
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::: zone pivot="speech-cli"

‎articles/ai-services/speech-service/includes/release-notes/release-notes-stt.md

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author: eric-urban
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ms.service: cognitive-services
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ms.topic: include
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ms.date: 09/15/2023
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ms.date: 09/29/2023
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ms.author: eur
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---
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Check out [What is the Whisper model?](../../whisper-overview.md) to learn more about when to use Azure AI Speech vs. Azure OpenAI Service.
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#### Speech to text REST API v3.2 public preview
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Speech to text REST API v3.2 is available in preview. [Speech to text REST API](../../rest-speech-to-text.md) v3.1 is generally available. Speech to text REST API v3.0 will be retired on April 1st, 2026. For more information, see the Speech to text REST API [v3.0 to v3.1](../../migrate-v3-0-to-v3-1.md) and [v3.1 to v3.2](../../migrate-v3-1-to-v3-2.md) migration guides.
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### August 2023 release
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#### New Speech to text-locales:

‎articles/ai-services/speech-service/migrate-v3-1-to-v3-2.md

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- `tokenInsertionCount2`: The number of recognized tokens by model2 that are insertions.
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- `tokenSubstitutionCount2`: The number of recognized words by model2 that are substitutions.
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### Model copy
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Added the new `"/operations/models/copy/{id}"` operation. Used for copy models scenario.
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Added the new `"/models/{id}:copy"` operation. Schema in the new copy operation: `"$ref": "#/definitions/ModelCopyAuthorization"` Deprecated the `"/models/{id}:copyto"` operation. Schema in the deprecated copy operation: `"$ref": "#/definitions/ModelCopy"`
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Added the new `"/models:authorizecopy"` operation returns `"$ref": "#/definitions/ModelCopyAuthorization"`. This returned entity can be used in the new `"/models/{id}:copy"` operation.
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New entity definitions related to model copy authorization:
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- `ModelCopyAuthorization`
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- `ModelCopyAuthorizationDefinition`: The Azure Resource ID of the source speech resource.
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```json
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"ModelCopyAuthorization": {
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"title": "ModelCopyAuthorization",
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"required": [
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"expirationDateTime",
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"id",
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"sourceResourceId",
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"targetResourceEndpoint",
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"targetResourceId",
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"targetResourceRegion"
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],
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"type": "object",
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"properties": {
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"targetResourceRegion": {
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"description": "The region (aka location) of the target speech resource (e.g., westus2).",
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"minLength": 1,
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"type": "string"
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},
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"targetResourceId": {
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"description": "The Azure Resource ID of the target speech resource.",
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"minLength": 1,
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"type": "string"
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},
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"targetResourceEndpoint": {
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"description": "The endpoint (base url) of the target resource (with custom domain name when it is used).",
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"minLength": 1,
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"type": "string"
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},
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"sourceResourceId": {
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"description": "The Azure Resource ID of the source speech resource.",
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"minLength": 1,
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"type": "string"
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},
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"expirationDateTime": {
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"format": "date-time",
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"description": "The expiration date of this copy authorization.",
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"type": "string"
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},
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"id": {
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"description": "The ID of this copy authorization.",
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"minLength": 1,
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"type": "string"
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}
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}
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},
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```
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```json
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"ModelCopyAuthorizationDefinition": {
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"title": "ModelCopyAuthorizationDefinition",
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"required": [
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"sourceResourceId"
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],
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"type": "object",
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"properties": {
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"sourceResourceId": {
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"description": "The Azure Resource ID of the source speech resource.",
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"minLength": 1,
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"type": "string"
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}
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}
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},
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```
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### CustomModelLinks copy properties
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New `copy` property
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copyTo URI: The location to the obsolete model copy action. See operation \"Models_CopyTo\" for more details.
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copy URI: The location to the model copy action. See operation \"Models_Copy\" for more details.
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```json
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"CustomModelLinks": {
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"title": "CustomModelLinks",
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"type": "object",
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"properties": {
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"copyTo": {
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"format": "uri",
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"description": "The location to the obsolete model copy action. See operation \"Models_CopyTo\" for more details.",
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"type": "string",
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"readOnly": true
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},
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"copy": {
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"format": "uri",
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"description": "The location to the model copy action. See operation \"Models_Copy\" for more details.",
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"type": "string",
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"readOnly": true
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},
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"files": {
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"format": "uri",
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"description": "The location to get all files of this entity. See operation \"Models_ListFiles\" for more details.",
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"type": "string",
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"readOnly": true
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},
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"manifest": {
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"format": "uri",
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"description": "The location to get a manifest for this model to be used in the on-prem container. See operation \"Models_GetCustomModelManifest\" for more details.",
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"type": "string",
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"readOnly": true
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}
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},
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"readOnly": true
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},
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```
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## Operation IDs
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You must update the base path in your code from `/speechtotext/v3.1` to `/speechtotext/v3.2-preview.1`. For example, to get base models in the `eastus` region, use `https://eastus.api.cognitive.microsoft.com/speechtotext/v3.2-preview.1/models/base` instead of `https://eastus.api.cognitive.microsoft.com/speechtotext/v3.1/models/base`.

‎articles/ai-services/speech-service/releasenotes.md

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## Recent highlights
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* Azure AI Speech now supports OpenAI's Whisper model via the batch transcription API. To learn more, check out the [Create a batch transcription](./batch-transcription-create.md#using-whisper-models) guide.
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* [Speech to text REST API version 3.2](./migrate-v3-1-to-v3-2.md) is available in public preview.
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* Speech SDK 1.32.1 was released in September 2023.
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* [Real-time diarization](./get-started-stt-diarization.md) is in public preview.
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* Some Speech Studio [scenarios](speech-studio-overview.md#speech-studio-scenarios) are available to try without an Azure subscription.
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* Text to speech [Batch synthesis API](./batch-synthesis.md) is available in public preview.
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## Release notes
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