feat (ai): inject message id in createUIMessageStream#6726
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nicoalbanese
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chrisvariety
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`newMessageId` was removed in vercel#6726 but leftover in the documentation.
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lgrammel
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## Background Documentation for `newMessageId ` within `streamText` in v5 is outdated. `newMessageId` was removed in #6726 but leftover in the documentation. ## Summary Removed out-of-date documentation.
botirk38
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Documentation for `sendStart` within `streamText` in v5 is outdated. As of vercel#6499 `sendStart` is used to control whether the start message is sent or not. https://github.com/vercel/ai/blob/1ed028703999fe3a897f5a3dc240c452791e3555/packages/ai/core/generate-text/stream-text.ts#L1541-L1550 Removed out-of-date documentation. docs: remove `newMessageId` in `streamText` (vercel#6971) Documentation for `newMessageId ` within `streamText` in v5 is outdated. `newMessageId` was removed in vercel#6726 but leftover in the documentation. Removed out-of-date documentation. chore: add .envrc to .gitignore (vercel#6965) `.envrc` files are commonly used with [direnv](https://direnv.net/) to automatically set environment variables when entering a directory. These files often contain sensitive information, local development settings, or personal configuration that should not be committed to version control. Added `.envrc` to `.gitignore` to prevent direnv environment files from being accidentally committed to the repository. This change can be verified by: 1. Creating a `.envrc` file in the project root 2. Running `git status` to confirm the file is ignored 3. Checking that the file doesn't appear in git tracking docs: add Amazon Nova Canvas availability regions (vercel#6977) The documentation for Amazon Bedrock's `amazon.nova-canvas-v1:0` image model was outdated. It only listed `us-east-1` as the available region, but the model is now available in additional regions. Updated the region availability for the `amazon.nova-canvas-v1:0` image model: * Added `eu-west-1` region * Added `ap-northeast-1` region The model is now documented as available in: `us-east-1`, `eu-west-1`, and `ap-northeast-1`. Add Vercel SDK Provider list (vercel#6863) (vercel#6961) I noticed that in the [Providers and Models docs](https://ai-sdk.dev/docs/foundations/providers-and-models), we mention the Vercel (v0) model in the [Model Capabilities](https://ai-sdk.dev/docs/foundations/providers-and-models#model-capabilities) but not in the [AI SDK Providers](https://ai-sdk.dev/docs/foundations/providers-and-models#ai-sdk-providers). This PR adds the Vercel Provider to the [Providers and Models docs](https://ai-sdk.dev/docs/foundations/providers-and-models#ai-sdk-providers) list. - [x] Formatting issues have been fixed (run `pnpm prettier-fix` in the project root) Co-authored-by: Anshuman Bhardwaj <anshu5074@gmail.com> refactor(adaptive): simplify usage properties by replacing providers array with a single provider string and removing cost_saved to streamline the data structure and improve clarity feat: update readme and changelog
botirk38
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Jul 6, 2025
Documentation for `sendStart` within `streamText` in v5 is outdated. As of vercel#6499 `sendStart` is used to control whether the start message is sent or not. https://github.com/vercel/ai/blob/1ed028703999fe3a897f5a3dc240c452791e3555/packages/ai/core/generate-text/stream-text.ts#L1541-L1550 Removed out-of-date documentation. docs: remove `newMessageId` in `streamText` (vercel#6971) Documentation for `newMessageId ` within `streamText` in v5 is outdated. `newMessageId` was removed in vercel#6726 but leftover in the documentation. Removed out-of-date documentation. chore: add .envrc to .gitignore (vercel#6965) `.envrc` files are commonly used with [direnv](https://direnv.net/) to automatically set environment variables when entering a directory. These files often contain sensitive information, local development settings, or personal configuration that should not be committed to version control. Added `.envrc` to `.gitignore` to prevent direnv environment files from being accidentally committed to the repository. This change can be verified by: 1. Creating a `.envrc` file in the project root 2. Running `git status` to confirm the file is ignored 3. Checking that the file doesn't appear in git tracking docs: add Amazon Nova Canvas availability regions (vercel#6977) The documentation for Amazon Bedrock's `amazon.nova-canvas-v1:0` image model was outdated. It only listed `us-east-1` as the available region, but the model is now available in additional regions. Updated the region availability for the `amazon.nova-canvas-v1:0` image model: * Added `eu-west-1` region * Added `ap-northeast-1` region The model is now documented as available in: `us-east-1`, `eu-west-1`, and `ap-northeast-1`. Add Vercel SDK Provider list (vercel#6863) (vercel#6961) I noticed that in the [Providers and Models docs](https://ai-sdk.dev/docs/foundations/providers-and-models), we mention the Vercel (v0) model in the [Model Capabilities](https://ai-sdk.dev/docs/foundations/providers-and-models#model-capabilities) but not in the [AI SDK Providers](https://ai-sdk.dev/docs/foundations/providers-and-models#ai-sdk-providers). This PR adds the Vercel Provider to the [Providers and Models docs](https://ai-sdk.dev/docs/foundations/providers-and-models#ai-sdk-providers) list. - [x] Formatting issues have been fixed (run `pnpm prettier-fix` in the project root) Co-authored-by: Anshuman Bhardwaj <anshu5074@gmail.com> refactor(adaptive): simplify usage properties by replacing providers array with a single provider string and removing cost_saved to streamline the data structure and improve clarity feat: update readme and changelog
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Background
When
createUIMessageStreamis used to construct the final UI message for persistence, it relies on the message id from the inner stream. If that is not available, it'll be the empty string. This currently makes it necessary to pass the original messages in several places.Summary
newMessageIdfromstreamTextresult ui message stream methodscreateUIMessageStreamundefinedby default (and not{}which is not matching the expected type)