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npm / @azure/functions

@azure/functions

What changed in @azure/functions 4, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-19.

2 security2 new APIs and options2 fixes and other

See which of these apply to your code, ranked, in your agent:

npx @unstale/cli init

@unstale/cli 0.2.8 on npm

@azure/functions 46 changes

Security 2

New APIs and options 2

  • Support was added for CosmosDb ChangeFeed.

    4.16.4release notes

  • An SDK binding option was added for Service Bus topic triggers.

    4.16.4release notes

Fixes and other changes 2

  • The name of AllVersionsAndDeletes changed; the notes do not specify the replacement name.

    4.16.5release notes

  • GET and HEAD request bodies no longer fail before reaching the handler.

    4.16.4release notes