docs: remove UA_868

[sashko]

Region UA_868 has been removed.*

• Remove UA_868 as obsolete firmware#10994

Summary

Type of change

• Bug fix (non-breaking)
• New feature (non-breaking)
• Breaking change (will require a SemVer-MINOR pre-1.0 / SemVer-MAJOR post-1.0 bump)
• Documentation only
• Infrastructure / CI / build
• Proto submodule bump
• ADR (Architecture Decision Record)

Related issue / discussion

Affirmations

• All commits are signed off (DCO — git commit -s).
• I have read CONTRIBUTING.md.
• If this changes the public API, I have run ./gradlew updateKotlinAbi and committed the regenerated api/*.api files.
• If this changes wire behavior, I have updated docs/protocol.md and cited firmware / sibling-app sources for verification.
• If this is a non-trivial design change, I have added or updated an ADR under docs/decisions/.
• I have run ./gradlew check locally and it passes.

How was this verified?

Notes for reviewers

Summary by CodeRabbit

• Documentation
  • Updated LoRa regional support references to remove Ukraine’s UA_868 region.
  • Added Thailand’s TH region and the experimental LORA_24 region where applicable.
  • Kept supported-region tables and configuration reference values aligned.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 91a12566-8729-4d32-877c-9df27a35743f

📥 Commits

Reviewing files that changed from the base of the PR and between dea6ac9 and 91ae189.

📒 Files selected for processing (2)

• docs/protocol.md
• docs/references/meshtastic-docs-site-notes.md

💤 Files with no reviewable changes (1)

• docs/protocol.md

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📝 Walkthrough

Walkthrough

LoRa region documentation removes the Ukraine UA_868 entry, adds Thailand (TH), and adds the experimental LORA_24 protocol entry. The configuration field reference is updated to match the supported-region list.

Changes

LoRa region documentation

Layer / File(s)	Summary
Update LoRa region references docs/protocol.md, docs/references/meshtastic-docs-site-notes.md	Region tables remove UA_868, add TH, and include LORA_24 in the protocol reference; the lora.region enumeration is updated accordingly.

Estimated code review effort: 1 (Trivial) | ~3 minutes

Poem

A rabbit hops through regions bright,
Ukraine fades from the list tonight.
Thailand joins with hops anew,
Two-point-four GHz peeks through too.
Docs align—what a tidy delight!

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly reflects the main documentation change: removing UA_868 from the region list.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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1 out of 2 committers have signed the CLA.

✅ jamesarich
❌ sashko
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