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ZhiyuCircle merged 1 commit into from
Jul 21, 2026
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docs: add v0.7.3 changelog and breaking changes #213

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6 changes: 6 additions & 0 deletions BREAKING_CHANGES.md
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Expand Up @@ -12,6 +12,12 @@ Entries are split by audience. A change appears under `### For Validators` when

Compare and release-notes links resolve once the corresponding tag is published at [`circlefin/arc-node`](https://github.com/circlefin/arc-node).

## [v0.7.3]

**Changes:** [v0.7.2...v0.7.3](https://github.com/circlefin/arc-node/compare/v0.7.2...v0.7.3) -- [release notes](https://github.com/circlefin/arc-node/releases/tag/v0.7.3)

No breaking changes in this release.

## [v0.7.2]

**Changes:** [v0.7.1...v0.7.2](https://github.com/circlefin/arc-node/compare/v0.7.1...v0.7.2) -- [release notes](https://github.com/circlefin/arc-node/releases/tag/v0.7.2)
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21 changes: 21 additions & 0 deletions CHANGELOG.md
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All notable changes to arc-node are documented in this file.

## [v0.7.3]

**Changes:** [v0.7.2...v0.7.3](https://github.com/circlefin/arc-node/compare/v0.7.2...v0.7.3) -- [release notes](https://github.com/circlefin/arc-node/releases/tag/v0.7.3)

### Features

- [CL] Add consensus and RPC Prometheus metrics on the `/metrics` endpoint: `arc_malachite_app_consensus_round_missed` (counter, labeled by the missed round's proposer), `arc_malachite_app_rpc_request_time`, and app-request channel queue-time, process-time, and full-channel-rejection metrics
- [EL] Add the Zero8 hardfork (dormant). Once active on a chain, a rejected delegatecall into a stateful Arc precompile is charged the uniform 200-gas early-revert penalty, matching the penalty already applied to other precompile authorization and validation reverts. Zero8 is not scheduled on any public chain
- [EL] `arc_getCertificate` now accepts a hex-encoded quantity string (e.g. `"0x7"`) for the block-height parameter in addition to a plain decimal number, aligning with the EVM hex-quantity convention used by `eth_getBlockByNumber`

### Fixes

- [EL] Complete the pending-block RPC filter so permissionless callers can no longer read the proposed pre-finalization block through case-variant `pending` tags, previously-uncovered block-content methods, or object-style block parameters
- [Shared] Remediate cargo audit advisories via dependency bumps

### Docs

Full documentation tree at this release: [`arc-node` v0.7.3 docs](https://github.com/circlefin/arc-node/tree/v0.7.3/docs). New or updated topics in this release:

- Revise the base-fee validation ADR to match the implemented code: rename `elasticity_multiplier` to `inverse_elasticity_multiplier`, drop the unimplemented proportional check, and clarify the `k_rate` description

## [v0.7.2]

**Changes:** [v0.7.1...v0.7.2](https://github.com/circlefin/arc-node/compare/v0.7.1...v0.7.2) -- [release notes](https://github.com/circlefin/arc-node/releases/tag/v0.7.2)
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