docs: backfill release notes (part 2)

[wolf31o2]

Summary by cubic

Added release notes for versions v0.128.0–v0.139.0 in RELEASE_NOTES.md to restore a complete history. Documents major Leios, Plutus, networking, CBOR, and tooling updates across these releases.

• New Features
  • Leios protocol support (LeiosNotify, LeiosFetch) and parameters.
  • Plutus V3 evaluation and script context; governance and PlutusData helpers.
  • Protocol limits/timeouts and byte/pipeline caps per Ouroboros spec.
  • CBOR round‑trip fidelity and datum bytes preservation across eras.
  • UTxO whole query, TxSubmission lifecycle, and assorted dependency bumps.

^{Written for commit 742a2eb. Summary will update on new commits.}

Summary by CodeRabbit

Release v0.139.0

• New Features

  • Full Ouroboros Network Specification compliance with protocol state timeouts across mini-protocols.
  • Message byte limits and pipeline/queue limits per protocol and state.
  • Leios protocol parameter model with array-style serialization.
  • CBOR serialization support for additional error types.

• Bug Fixes

  • Fixed zero-value hash encoding.

• Chores

  • Updated utxorpc spec compatibility and handshake tests.

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• RELEASE_NOTES.md

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📝 Walkthrough

Walkthrough

A new release version v0.139.0 is documented with protocol enhancements and bug fixes. The changes include implementation of Ouroboros Network Specification compliance with protocol state timeouts across mini-protocols, per-protocol per-state message byte limits, pipeline and queue constraints, and a Leios protocol parameter model with array-style serialization. Additional updates encompass CBOR serialization support for ScriptsNotPaidUtxo error handling, a fix for zero-value Blake2b hash encoding, and compatibility updates for utxorpc specification version 0.18.1 with related handshake tests.

🚥 Pre-merge checks | ✅ 2

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'docs: backfill release notes (part 2)' directly and clearly describes the main change—adding release notes documentation for version 0.139.0 as part 2 of a backfill effort.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch docs/backfill-release-notes

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[cubic-dev-ai]

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