Update release notes for 2026-06-16 changes

[tirumalaraogumma-spektra]

Updated release notes with changes from the 2026-06-16 release, including UI upgrades, image alignments, and added troubleshooting screenshots.

🧪 PR Summary

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🔄 Type of Change (Select at least one)

• Azure Portal UI change
• Step / instruction update
• Screenshot update
• Broken link fix
• Service rename / feature deprecation
• Content improvement (clarity/typos)
• Dependency failure/ version conflict
• Lab flow change
• Validation fix
• Other

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📌 Reason for Change

Why was this update needed?

• Azure UI/Workflow changed
• Learners reported issue
• Internal QA finding
• Service behavior changed
• Optimization / better experience
• Security / compliance update

Brief explanation:

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📝 What Was Modified

Describe EXACTLY what changed from learner perspective:

• Old behavior / text:

• New behavior / text:

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🧪 Validation Done

• Followed the lab end-to-end after changes
• Steps are in correct sequence
• Screenshots match current Azure UI
• All links tested
• No copy-paste or formatting issues

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🔗 References

• Support ticket / issue:
• Azure announcement link:
• Learner feedback link:

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🧠 Reviewer Notes

Anything reviewers should double-check?