New versions of the SDKs and ant CLI use API version 2026-10-21 by default
New versions of seven client SDKs and the ant CLI tool have been released. They send API version 2026-10-21 by default. The announcement also links to migration documentation.
An announcement has been published about new versions of seven client SDKs and the ant CLI tool. The shared change is that they send API version 2026-10-21 by default.
These are Python SDK 2.0.0, TypeScript SDK 1.0.0, C# SDK 13.0.0, Go SDK 2.0.0, Java SDK 3.0.0, PHP SDK 1.0.0, Ruby SDK 2.0.0 and ant CLI 2.0.0. The announcement links to the “Switch to 2026-10-21” migration documentation.
Why it matters
Updating a client also affects the API version sent in requests. For developers using default settings, the migration documentation is therefore relevant when deciding whether to update.
Relevant practical impact
What this means
For individuals
If you use any of the listed clients with default settings, switching to the specified version will mean you start sending API version 2026-10-21 in requests.
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Event sources
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