actions / actions/setup-go

encoding/json/v2 support

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#636 7 comments 0 reactions 1 assignee View on GitHub

@v-priya-kinthali is already working on this.

Since Aug 26, 2026.

feature request
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TypeScript
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Description

Description:

Go 1.25 has experimental support for encoding/json/v2. It would be helpful to be able to test this out in Github Actions, and compare performance to encoding/json.

It is not as easy for end users to test this because turning on the flag requires recompiling the entire Go binary, you can't just download it.

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