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DEV: (cmds + etc) add XNACK command page and general info.#2992

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dwdougherty wants to merge 2 commits intoDOC-6334from
DOC-6433
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DEV: (cmds + etc) add XNACK command page and general info.#2992
dwdougherty wants to merge 2 commits intoDOC-6334from
DOC-6433

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@dwdougherty
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@dwdougherty dwdougherty commented Apr 7, 2026

Redis 8.8 content


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Low Risk
Documentation-only changes adding the new XNACK command page and updating related stream/consumer-group docs; low risk aside from potential inaccuracies in the new behavior description.

Overview
Adds documentation for the new Redis 8.8 XNACK command (including syntax, modes, options, examples, and a new railroad diagram) describing how consumers can release pending entries back to a consumer group for immediate re-delivery.

Updates related stream docs to reflect XNACK semantics: XCLAIM/XAUTOCLAIM note that nacked messages are immediately claimable, XPENDING/XINFO STREAM FULL clarify that released entries have an empty consumer owner (and XINFO STREAM documents a new nacked-count field), XREADGROUP documents claim ordering priority for nacked messages, and the Streams data type overview adds an XNACK section and command list entry. Also fixes a YAML frontmatter formatting issue in XCFGSET.

Reviewed by Cursor Bugbot for commit d69f28a. Bugbot is set up for automated code reviews on this repo. Configure here.

@dwdougherty dwdougherty requested review from a team and LiorKogan April 7, 2026 16:56
@dwdougherty dwdougherty self-assigned this Apr 7, 2026
@dwdougherty dwdougherty added cmds oss Redis Open Source labels Apr 7, 2026
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github-actions bot commented Apr 7, 2026

DOC-6433

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jit-ci bot commented Apr 7, 2026

🛡️ Jit Security Scan Results

CRITICAL HIGH MEDIUM

✅ No security findings were detected in this PR


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@andy-stark-redis andy-stark-redis left a comment

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Couple of tiny (ignorable) suggestions, but otherwise LGTM.

Co-authored-by: andy-stark-redis <164213578+andy-stark-redis@users.noreply.github.com>
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Thank you for the review and suggestions, @andy-stark-redis!

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