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Upgrading to TensorFlow.js 3.0

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What’s changed in TensorFlow.js 3.0

Release notes are available here. This release upgrades TypeScript to 4.8.4 and @webgpu/types to 0.1.21. If you don't use TypeScript, you can update to 4.0 without reading this doc.

Breaking Changes

This release is breaking for projects that use typescript<4.4. All other projects should be unaffected.

Upgrading Code from 3.x

For TypeScript >= 4.4

No breaking API changes were made in this release, so projects that use typescript>=4.4 can treat this as a minor release and upgrade without any changes.

For TypeScript < 4.4

When using typescript<4.4, the following error will occur.

node_modules/@webgpu/types/dist/index.d.ts:587:16 - error TS2304: Cannot find name 'PredefinedColorSpace'.

587   colorSpace?: PredefinedColorSpace;

To fix this, upgrade TypeScript to 4.4.2 or greater, or add the file predefined_color_space.d.ts (name and path can be changed) with the following contents to your project to define the missing type. Remove this file when TypeScript is upgraded to 4.4 or higher.


type PredefinedColorSpace = "display-p3" | "srgb";

For TypeScript < 3.6

typescript<3.6 has the following additional error.

node_modules/@tensorflow/tfjs-core/dist/engine.d.ts:127:9 - error TS1086: An accessor cannot be declared in an ambient context.

127     get backend(): KernelBackend;

Enable skipLibCheck to suppress this error, or upgrade to at least TypeScript 3.6.2 to fix it (the above fix for PredefinedColorSpace will also need to be applied).