Public Review for Zibi

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Rafael Sene

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Oct 8, 2026, 8:31:06 AM (3 days ago) Oct 8
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Greetings, on behalf of the authors:

We are delighted to announce the commencement of the public review period for the Branch with Immediate (Zibi) extension. This 30-day review period begins today, October 8, and concludes on November 8.

The source for this document is available on GitHub: https://github.com/riscv/zibi

The specification document is available for download as a PDF at the following link: https://github.com/riscv/zibi/releases/download/v0.99/riscv-spec.pdf

How to Provide Feedback

To participate in the review, you may either:


If you experience any difficulty accessing the document or GitHub links, please contact he...@riscv.org or the sender of this message directly. We will be happy to assist you or provide the document in an alternative format upon request.

Your Feedback Matters

During the review period, we will gather corrections, comments, and suggestions for review by the Unprivileged ISA Committee. Minor corrections and non-controversial changes will be directly incorporated. Any unresolved issues or significant proposed modifications will be summarized in the public review report. Provided no major changes are required, the Unprivileged ISA Committee will recommend ratification by both the RISC-V Technical Steering Committee and the RISC-V Board of Directors.

We greatly appreciate your contributions and feedback in refining this specification.

Warm regards,

Pengcheng Wang, on behalf of the Zibi contributors
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