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3,997 commits this week Apr 28, 2026 - May 05, 2026
backport(network): include n2c handshake versions 17-23 for van Rossem (#758)
Mirrors the n2c handshake portion of #747 ("feat: prep for van Rossem
hard fork") so that NodeToClient sessions on the lts/v0 line can
negotiate protocol versions 17-23, including the v23 used by the
cardano-node 10.7.x release that targets the van Rossem hard fork.
fix(network): include n2c handshake versions 17-23 for van Rossem (#757)
Backports the handshake half of #747 to the 0.18.x line so downstream
consumers can negotiate NodeToClient sessions with cardano-node 10.x
peers, including the 10.7.x release that targets the van Rossem hard
fork (protocol version 11).

The remaining changes from #747 (queries_v16 additions, the new
ConwayLedgerFailure tags, and the pallas-network2 / pallas-hardano
counterparts) depend on modules introduced after this branch diverged
and are intentionally out of scope.
Migrate to EraBasedProtocolParametersUpdate
Adapt cardano-cli to the cardano-api removal of ProtocolParametersUpdate
in favour of EraBasedProtocolParametersUpdate era.

- Read.hs: bring IsShelleyBasedEra era into scope via
  shelleyToBabbageEraConstraints, satisfying the HasTextEnvelope instance
  for the now era-indexed UpdateProposal era without changing the
  function's exposed type.

- Friendly.hs: rewrite friendlyProtocolParametersUpdate to take
  EraBasedProtocolParametersUpdate era and dispatch on the GADT, with one
  helper per sub-record (common, deprecated-after-mary,
  deprecated-after-babbage, shelley-to-alonzo, alonzo-onwards,
  introduced-in-babbage). JSON output remains flat with the original key
  names preserved. Cost models and Conway-only governance fields are
  deliberately not emitted, matching prior output; surfacing them under
  new keys can be done as a follow-up.

- Compatible/Governance/Run.hs: drop a redundant
  createEraBasedProtocolParamUpdate / fromLedgerPParamsUpdate round-trip
  in shelleyToBabbageProtocolParametersUpdate; makeShelleyUpdateProposal
  now takes EraBasedProtocolParametersUpdate era directly.
fix(network): include n2c handshake versions 17-23 for van Rossem
Backports the handshake half of #747 to the 0.18.x line so downstream
consumers can negotiate NodeToClient sessions with cardano-node 10.x
peers, including the 10.7.x release that targets the van Rossem hard
fork (protocol version 11).

The remaining changes from #747 (queries_v16 additions, the new
ConwayLedgerFailure tags, and the pallas-network2 / pallas-hardano
counterparts) depend on modules introduced after this branch diverged
and are intentionally out of scope.