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Update v6.7 changelog in prep to cut rc3 #4335

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151956b
Update v6.7 changelog in prep to cut rc3
alexander-sei Sep 25, 2026
9adabea
Revert changelog to the generated PR-list format
alexander-sei Sep 25, 2026
a2e08a4
Keep the Unreleased changelog section out of the rc3 update
alexander-sei Sep 25, 2026
08fbbef
Add #4347 to the v6.7 changelog for rc3
alexander-sei Sep 25, 2026
8dcba4f
Add #4348 to the v6.7 changelog for rc3
alexander-sei Sep 25, 2026
9e71338
Merge branch 'main' into alex/v6-7-changelog-rc3
masih Sep 25, 2026
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23 changes: 7 additions & 16 deletions CHANGELOG.md
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Expand Up @@ -209,23 +209,14 @@ sei-chain
* [#3845](https://github.com/sei-protocol/sei-chain/pull/3845) fix(consensus): full BlockID on lock/POL/commit; require canonical part sets (CON-306)

## v6.7

### Improvements
* [#3818](https://github.com/sei-protocol/sei-chain/pull/3818) feat(evmrpc): extend HTTP admission control (`max_request_body_bytes`, `max_concurrent_request_bytes`, `ws_admission_timeout`) to the WebSocket plane (:8546). WS oversize frames close with WebSocket close code 1009; budget-wait timeouts return JSON-RPC error `-32005` before the connection closes. `evmrpc_requests_rejected_total` gains a `protocol` label (`http` / `ws`).
* [#3984](https://github.com/sei-protocol/sei-chain/pull/3984) feat(query): origin-aware pagination limits for ABCI queries. Untrusted callers on the ABCI/gRPC query path get configurable `max-limit`, `max-offset`, and flat `max-iterations` (defaults: 1000 / 10000 / 11000); requests above the caps are rejected upfront, and an exhausted iteration budget returns a partial page with `next_key` instead of failing. Trusted origins (new `[query] trusted-cidrs`) and the `[query] disable-limits` kill switch bypass the caps; the consensus/EVM precompile path is unaffected.
* [#3990](https://github.com/sei-protocol/sei-chain/pull/3990) Freeze mode is limited to full nodes and disables transaction and evidence submission, mempool gossip, and state sync from startup while preserving query RPC and mempool-backed reads. Frozen and Autobahn nodes no longer advertise the unused mempool P2P channel.

### Upgrade guide

@seidroid seidroid Bot Sep 25, 2026

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[suggestion] The description says every PR this ### Upgrade guide described is already a line in the generated list. That doesn't hold. The generated PR titles keep none of the guidance operators need to act on:

  • The WebSocket frame limit default drops from 10 MiB to 5 MiB. Operators who need the old limit must set max_request_body_bytes = 10485760.
  • ABCI/gRPC pagination is now capped by default, with [query] trusted-cidrs and disable-limits as ways around the caps.
  • The legacy sei_* RPC methods are removed, and the guide listed their replacements.
  • Historical IBC, transfer and feegrant data must now be served by v6.6 freeze nodes.

The IBC core, IBC query and capability-removal items had no PR number at all. Nothing else in the repo's markdown carries this guidance. Without it, clients sending 5–10 MiB WebSocket frames and indexers that page with large limits can break without warning after the upgrade. Keep this section, or move it to an upgrade/migration doc and link to it from ## v6.7. Codex raised the same point.

* **IBC core removal.** Removes the retired IBC core source, protobufs, light clients, CLI, and simulation support. Retired IBC stores remain mounted but are omitted from `export-genesis`; preserve the state database or use v6.6 freeze nodes for historical IBC data.
* **IBC transfer removal.** Removes ICS-20 execution, module APIs, CLI commands, CosmWasm transfer messages, transfer codecs, and transfer keeper integration, including the IBC EVM precompile's keeper injection. The transfer store and module account remain materialized for state compatibility. Transfer queries, historical transfer transaction decoding, and pre-v6.7 IBC precompile tracing must be served by v6.6 freeze nodes; v6.7 nodes do not provide them.
* **IBC query removal.** Removes the IBC core gRPC, REST, Protobuf, raw ABCI store, and native CosmWasm query APIs, along with CLI query commands. Historical IBC queries must be served by v6.6 freeze nodes.
* **Capability removal.** Removes the capability module and its IBC, transfer, and CosmWasm integrations. The capability store remains mounted for historical state access in freeze mode.
* [#3958](https://github.com/sei-protocol/sei-chain/pull/3958) **Feegrant removal.** Removes feegrant execution, module APIs, and the unreleased feegrant EVM precompile. The feegrant store remains mounted for historical state access. Transactions with a fee granter different from the payer are rejected.
* **WebSocket frame size default drops from 10 MiB to 5 MiB.** Before this release, :8546 used a hardcoded 10 MiB frame cap. Both HTTP and WebSocket now share `[evm].max_request_body_bytes`, whose default is 5 MiB (`5242880`). WS clients that send frames in the 5-10 MiB range (large `eth_sendRawTransaction` batches, wide filter payloads, etc.) will be disconnected after upgrade unless the limit is raised. **Operators who relied on the old 10 MiB WS cap should set `max_request_body_bytes = 10485760` in `app.toml` before upgrading.** This also raises the HTTP body limit to 10 MiB. The exported `DefaultWebsocketMaxMessageSize` constant was removed; use the config knob instead.
* [#3984](https://github.com/sei-protocol/sei-chain/pull/3984) **ABCI/gRPC pagination is now capped by default.** Untrusted callers requesting `limit` above 1000, `offset` above 10000, or a scan that exceeds 11000 total iterations now get `InvalidArgument` (over-cap) or a partial page with `next_key` (budget exhausted) instead of the previously unbounded scan. Clients that page with large limits/offsets, or trusted internal indexers, should either follow `next_key` for resumption or be added to the new `[query] trusted-cidrs` allowlist (or set `[query] disable-limits = true`) before upgrading.
* [#3927](https://github.com/sei-protocol/sei-chain/pull/3927) **Legacy Sei JSON-RPC and CLI removal.** Removes `sei_associate`, `sei_getBlockByHash`, `sei_getBlockByHashExcludeTraceFail`, `sei_getBlockTransactionCountByHash`, `sei_getBlockTransactionCountByNumber`, `sei_getEvmTx`, `sei_getFilterChanges`, `sei_getFilterLogs`, `sei_getLogs`, `sei_getTransactionByBlockHashAndIndex`, `sei_getTransactionByBlockNumberAndIndex`, `sei_getTransactionByHash`, `sei_getTransactionCount`, `sei_getTransactionErrorByHash`, `sei_getTransactionReceiptExcludeTraceFail`, `sei_getVMError`, `sei_newBlockFilter`, `sei_newFilter`, `sei_sign`, and `sei_uninstallFilter`. Use standard `eth_*` methods for EVM-originated data and `seid tx evm native-associate <custom-message> -y` for address association. There is no block- or filter-level replacement for discovering Cosmos-originated synthetic logs; clients that know the synthetic transaction hash can enable `sei_getTransactionReceipt`.

sei-chain
* [#4348](https://github.com/sei-protocol/sei-chain/pull/4348) Backport `release/v6.7`: fix(seidb): report only the current migration boundary on the snapshot gauge
* [#4347](https://github.com/sei-protocol/sei-chain/pull/4347) Backport `release/v6.7`: fix(flatkv): keep 10 old checkpoints instead of mirroring memIAVL's count
* [#4334](https://github.com/sei-protocol/sei-chain/pull/4334) Backport `release/v6.7`: Fail dynamic-gas precompile out-of-gas as an EVM out-of-gas call
* [#4315](https://github.com/sei-protocol/sei-chain/pull/4315) Backport `release/v6.7`: Pin the Go builder image per architecture in build-static.sh
* [#4313](https://github.com/sei-protocol/sei-chain/pull/4313) Backport `release/v6.7`: fix(memiavl): hold a snapshot reference for an iterator's lifetime
* [#4295](https://github.com/sei-protocol/sei-chain/pull/4295) Bump version to v6.7.0-rc2 in prep for release
* [#4294](https://github.com/sei-protocol/sei-chain/pull/4294) Backport `release/v6.7`: Update v6.7 changelog in prep to cut rc2
* [#4292](https://github.com/sei-protocol/sei-chain/pull/4292) Backport `release/v6.7`: Flush MemIAVL changelog before exiting on an upgrade panic
* [#4285](https://github.com/sei-protocol/sei-chain/pull/4285) Backport `release/v6.7`: fix(seidb): refuse a corrupted changelog in digest replay instead of repairing it
* [#4255](https://github.com/sei-protocol/sei-chain/pull/4255) Backport `release/v6.7`: feat(seidb): Add JSON output to evm-logical-digest and inspect a FlatKV migration in flight
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