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docs (k8s): Update Kubernetes compatibility matrix for 26.1.x#1627

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david-yu wants to merge 3 commits intoredpanda-data:mainfrom
david-yu:doc/compat-matrix-26.1
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docs (k8s): Update Kubernetes compatibility matrix for 26.1.x#1627
david-yu wants to merge 3 commits intoredpanda-data:mainfrom
david-yu:doc/compat-matrix-26.1

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@david-yu david-yu commented Mar 20, 2026

Summary

  • Add new 26.1.x Redpanda Core row supporting Helm Chart 26.1.x/25.3.x, Operator 26.1.x/25.3.x, Helm CLI 3.12+, and Kubernetes 1.32.x-1.35.x
  • Update 25.3.x Core row to include 26.1.x for Helm Chart, Operator Helm Chart, and Operator
  • Remove 25.1.x rows from the compatibility matrix
  • Remove v2.x.x rows from the Redpanda Console integration table
  • Add 26.1.x to Console integration Helm Chart and Operator columns
  • Remove 25.1.x from Console Helm Chart column

Test plan

  • Verify AsciiDoc table renders correctly in the docs site preview
  • Confirm row spans (.2+, .3+) render as expected for merged Core cells
  • Verify footnote references still render at page bottom

🤖 Generated with Claude Code

- Add 26.1.x row for Redpanda Core with Helm Chart 26.1.x/25.3.x,
  Operator 26.1.x/25.3.x, Helm CLI 3.12+, Kubernetes 1.31.x-1.34.x
- Update 25.3.x row to include 26.1.x Helm Chart, Operator Helm Chart,
  and Operator compatibility
- Remove 25.1.x rows from the compatibility matrix
- Remove v2.x.x rows from Redpanda Console integration table
- Add 26.1.x to Console integration for Helm Chart and Operator columns
- Remove 25.1.x from Console Helm Chart column

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
@david-yu david-yu requested a review from a team as a code owner March 20, 2026 17:48
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📝 Walkthrough

Walkthrough

Updated the Kubernetes compatibility matrix documentation file to remove version 25.1.x entries and add new mappings for versions 26.1.x and 25.3.x with updated Kubernetes version ranges (1.31.x - 1.34.x for 26.1.x and 25.3.x, 1.30.x - 1.33.x for another 25.3.x entry). Also consolidated the Redpanda Console integration compatibility table by removing the v2.x.x row and replacing multiple version entries in v3.x.x with a single entry listing compatible versions 26.1.x, 25.3.x, and 25.2.x.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

Suggested reviewers

  • JakeSCahill
  • RafalKorepta
  • andrewstucki
🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name Status Explanation Resolution
Description check ⚠️ Warning PR description provides a clear summary of changes but is missing required template sections like JIRA ticket link, review deadline, page previews, and checkbox selections. Add missing sections: specify the JIRA ticket in 'Resolves' field, add review deadline, provide page preview links for the updated documentation, and check appropriate checkboxes for change type (likely 'Content gap' or 'Small fix').
✅ Passed checks (2 passed)
Check name Status Explanation
Title check ✅ Passed The title accurately and clearly summarizes the main change: updating the Kubernetes compatibility matrix documentation for version 26.1.x.
Docstring Coverage ✅ Passed No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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@david-yu david-yu changed the title docs: Update Kubernetes compatibility matrix for 26.1.x docs (k8s): Update Kubernetes compatibility matrix for 26.1.x Mar 20, 2026
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Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (1)
modules/upgrade/pages/k-compatibility.adoc (1)

22-22: ⚠️ Potential issue | 🟡 Minor

Update the example to reference versions present in the current compatibility matrix.

The example references "25.1.1" and mentions "25.1.x" in the supported versions list, but the compatibility matrix below no longer includes any 25.1.x rows. This inconsistency may confuse users.

Consider updating to a version that exists in the current matrix, such as: "For example, Redpanda Operator version 25.2.1 supports Redpanda core versions 25.3.x, 25.2.x, and 25.1.x."

📝 Proposed fix to align example with current matrix
-Each Redpanda Operator and Helm chart version supports the corresponding Redpanda core version plus one minor version above and one below. This approach ensures flexibility during upgrades. For example, Redpanda Operator version 25.1.1 supports Redpanda core versions 25.2.x, 25.1.x, and 24.3.x.
+Each Redpanda Operator and Helm chart version supports the corresponding Redpanda core version plus one minor version above and one below. This approach ensures flexibility during upgrades. For example, Redpanda Operator version 25.2.1 supports Redpanda core versions 25.3.x, 25.2.x, and 25.1.x.
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@modules/upgrade/pages/k-compatibility.adoc` at line 22, Update the example
sentence that currently reads "For example, Redpanda Operator version 25.1.1
supports Redpanda core versions 25.2.x, 25.1.x, and 24.3.x" to use versions
present in the current compatibility matrix—replace "25.1.1" and its supported
list with "For example, Redpanda Operator version 25.2.1 supports Redpanda core
versions 25.3.x, 25.2.x, and 25.1.x" so the example in the paragraph beginning
"Each Redpanda Operator and Helm chart version supports..." matches the matrix.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.

Outside diff comments:
In `@modules/upgrade/pages/k-compatibility.adoc`:
- Line 22: Update the example sentence that currently reads "For example,
Redpanda Operator version 25.1.1 supports Redpanda core versions 25.2.x, 25.1.x,
and 24.3.x" to use versions present in the current compatibility matrix—replace
"25.1.1" and its supported list with "For example, Redpanda Operator version
25.2.1 supports Redpanda core versions 25.3.x, 25.2.x, and 25.1.x" so the
example in the paragraph beginning "Each Redpanda Operator and Helm chart
version supports..." matches the matrix.

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📥 Commits

Reviewing files that changed from the base of the PR and between 4230c3f and ce384c6.

📒 Files selected for processing (1)
  • modules/upgrade/pages/k-compatibility.adoc

david-yu and others added 2 commits March 20, 2026 22:09
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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