Add blog extensible-advertised-addresses-for-shoots

[gardener-answering-machine]

Purpose

@dnaeon This is an automatically generated draft pull request proposing a new blog post based on your Gardener review meeting presentation you gave on 2025-10-22 titled:

"Extensible Advertised Addresses For Shoots"

The purpose of the blog post is to actively inform the community about new Gardener features or changes, as discussed during review meetings.

Notes to Reviewers

This draft was automatically generated by LLMs using the review meeting recording and referenced materials.
Please evaluate whether this topic is suitable for a blog post. If so, review and edit the content as needed.
If you decide the topic isn't appropriate for a blog post, feel free to close this PR and delete the branch.

⚠️ This is an experimental GenAI feature. Feedback is welcome! Please direct it to @vlerenc. Thank you!

Instructions for Reviewers

❌ If the draft isn't viable

• Close this PR
• Delete the branch

✏️ If the draft is viable but requires editing

1. Clone the repository and change to the directory:

git clone https://github.com/gardener/documentation
cd documentation

2. Check out the branch:

git fetch origin && git checkout blog/2025-10-22-extensible-advertised-addresses-for-shoots

3. Review the content in website/blog/2025/10/10-22-extensible-advertised-addresses-for-shoots.md.
4. Make any necessary edits, additions, or removals, and then push the changes:

git add website/blog/2025/10/10-22-extensible-advertised-addresses-for-shoots.md
git commit --amend --no-edit
git push origin +blog/2025-10-22-extensible-advertised-addresses-for-shoots

✅ If the draft is ready for review

• Mark this PR as Ready for review
• Invite additional reviewers (optional step)
• Comment with /lgtm to approve (required step)

The documentation team will review your PR, as required by branch protection.
They will merge it once you (and any additional reviewers) have approved it.

@dnaeon Thank you for helping us share valuable updates from the Gardener project with the community!

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You can:

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/lifecycle stale

[gardener-robot]

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[gardener-ci-robot]

The Gardener project currently lacks enough active contributors to adequately respond to all PRs.
This bot triages PRs according to the following rules:

• After 15d of inactivity, lifecycle/stale is applied
• After 15d of inactivity since lifecycle/stale was applied, lifecycle/rotten is applied
• After 7d of inactivity since lifecycle/rotten was applied, the PR is closed

You can:

• Mark this PR as fresh with /remove-lifecycle stale
• Mark this PR as rotten with /lifecycle rotten
• Close this PR with /close

/lifecycle stale

[rfranzke]

@dnaeon Do you want to merge this PR? If not, please close it.

[gardener-ci-robot]

The Gardener project currently lacks enough active contributors to adequately respond to all PRs.
This bot triages PRs according to the following rules:

• After 30d of inactivity, lifecycle/stale is applied
• After 30d of inactivity since lifecycle/stale was applied, lifecycle/rotten is applied
• After 14d of inactivity since lifecycle/rotten was applied, the PR is closed

You can:

• Mark this PR as active with /lifecycle active
• Mark this PR as fresh with /remove-lifecycle rotten
• Close this PR with /close

/lifecycle rotten

[dnaeon]

@dnaeon Do you want to merge this PR? If not, please close it.

I somehow missed the first notifications about this one.

Looks good from my side.

/lgtm

[gardener-prow]

@dnaeon: adding LGTM is restricted to approvers and reviewers in OWNERS files.

Details

In response to this:

@dnaeon Do you want to merge this PR? If not, please close it.

I somehow missed the first notifications about this one.

Looks good from my side.

/lgtm

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