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Release Notes for [**release-2025-01-23\_03-04-base**](https://github.com/dfinity/ic/tree/release-2025-01-23_03-04-base) (550209a750be0575cc4afff5e23c04b03048c08e)
===================================================================================================================================================================

This release is based on changes since [release-2025-01-16\_16-18-base](https://dashboard.internetcomputer.org/release/233c1ee2ef68c1c8800b8151b2b9f38e17b8440a) (233c1ee2ef68c1c8800b8151b2b9f38e17b8440a).

Please note that some commits may be excluded from this release if they're not relevant, or not modifying the GuestOS image. Additionally, descriptions of some changes might have been slightly modified to fit the release notes format.

To see a full list of commits added since last release, compare the revisions on [GitHub](https://github.com/dfinity/ic/compare/release-2025-01-16_16-18-base...release-2025-01-23_03-04-base).

Features:
---------

* [`14ba37e5c`](https://github.com/dfinity/ic/commit/14ba37e5c) Consensus,Interface: Introduce VetKdPayload type ([#3458](https://github.com/dfinity/ic/pull/3458))
* [`178aceab8`](https://github.com/dfinity/ic/commit/178aceab8) Execution,Interface: Allow accepting and burning cycles in replicated queries ([#363](https://github.com/dfinity/ic/pull/363))
* [`de11e7933`](https://github.com/dfinity/ic/commit/de11e7933) Interface: Allow direct replacement of a node in subnet ([#3377](https://github.com/dfinity/ic/pull/3377))
* [`6b3c8440e`](https://github.com/dfinity/ic/commit/6b3c8440e) Interface(ic-nervous-system-agent): Add submit\_proposal helper ([#3451](https://github.com/dfinity/ic/pull/3451))
* [`51f818e45`](https://github.com/dfinity/ic/commit/51f818e45) Node: Add time synchronization check to setupOS ([#3433](https://github.com/dfinity/ic/pull/3433))

Bugfixes:
---------

* [`6d3c48889`](https://github.com/dfinity/ic/commit/6d3c48889) Consensus,Interface(consensus): Fix the hashes-in-blocks feature implementation ([#3529](https://github.com/dfinity/ic/pull/3529))
* [`8df6997dd`](https://github.com/dfinity/ic/commit/8df6997dd) Consensus,Interface: Replace removed ic-admin's subcommands in ic-recovery ([#3511](https://github.com/dfinity/ic/pull/3511))
* [`49e2de0d0`](https://github.com/dfinity/ic/commit/49e2de0d0) Execution,Interface: Fix sandbox processes metric ([#3527](https://github.com/dfinity/ic/pull/3527))
* [`40b9f6c59`](https://github.com/dfinity/ic/commit/40b9f6c59) Execution,Interface: Charge for ic0\_cycles\_burn128 ([#3542](https://github.com/dfinity/ic/pull/3542))
* [`82576adb0`](https://github.com/dfinity/ic/commit/82576adb0) Execution,Interface: Correct the value returned for replicated vs non replicated execution in system api ([#3540](https://github.com/dfinity/ic/pull/3540))
* [`2f6fcec04`](https://github.com/dfinity/ic/commit/2f6fcec04) Execution,Interface: Fix canister\_age metric ([#3443](https://github.com/dfinity/ic/pull/3443))
* [`be8de1981`](https://github.com/dfinity/ic/commit/be8de1981) Interface(ICRC\_Ledger): Use default deserialization value of 0 for ledger state's ledger\_version ([#3520](https://github.com/dfinity/ic/pull/3520))
* [`ac71086bf`](https://github.com/dfinity/ic/commit/ac71086bf) Node: Update development nns\_url ([#3486](https://github.com/dfinity/ic/pull/3486))

Chores:
-------

* [`00f10afcf`](https://github.com/dfinity/ic/commit/00f10afcf) Consensus,Interface: Group together the abortable channels and move the consensus event loops at the end ([#3518](https://github.com/dfinity/ic/pull/3518))
* [`f367c148b`](https://github.com/dfinity/ic/commit/f367c148b) Consensus,Interface: Group the creation of bouncers similar to artifact pools ([#3474](https://github.com/dfinity/ic/pull/3474))
* [`816f0edab`](https://github.com/dfinity/ic/commit/816f0edab) Consensus,Interface: Improve the creation of the p2p handlers and managers ([#3467](https://github.com/dfinity/ic/pull/3467))
* [`8b3296e0f`](https://github.com/dfinity/ic/commit/8b3296e0f) Execution,Interface: Infrastructure to increase Wasm64 heap memory size ([#3385](https://github.com/dfinity/ic/pull/3385))
* [`9b6d8dce4`](https://github.com/dfinity/ic/commit/9b6d8dce4) Execution,Interface,Message Routing: Remove stream size tracking ([#3382](https://github.com/dfinity/ic/pull/3382))
* [`fc2787097`](https://github.com/dfinity/ic/commit/fc2787097) Interface: Bump rust to 1.84 ([#3469](https://github.com/dfinity/ic/pull/3469))
* [`eb9afbb50`](https://github.com/dfinity/ic/commit/eb9afbb50) Interface,Message Routing: Improve some state tool error messages ([#3495](https://github.com/dfinity/ic/pull/3495))
* [`8bc6f97b6`](https://github.com/dfinity/ic/commit/8bc6f97b6) Owners(IDX): Bump cc-rs ([#3501](https://github.com/dfinity/ic/pull/3501))
* [`550209a75`](https://github.com/dfinity/ic/commit/550209a75) Node: delete deploy-update-ssh-account-keys ([#3549](https://github.com/dfinity/ic/pull/3549))
* [`0126ae64c`](https://github.com/dfinity/ic/commit/0126ae64c) Node: Update Base Image Refs [2025-01-21-0151] ([#3537](https://github.com/dfinity/ic/pull/3537))

Refactoring:
------------

* [`834bead31`](https://github.com/dfinity/ic/commit/834bead31) Consensus,Interface(consensus): Refactor code in NiDkg to prepare VetKD implementation ([#3522](https://github.com/dfinity/ic/pull/3522))
* [`6b09303da`](https://github.com/dfinity/ic/commit/6b09303da) Consensus,Interface: Serialize current and next transcripts into pb::NiDkgTranscript ([#3039](https://github.com/dfinity/ic/pull/3039))
* [`5993fe22c`](https://github.com/dfinity/ic/commit/5993fe22c) Execution,Interface: Rename SystemStateChanges to SystemStateModifications for consistency ([#3555](https://github.com/dfinity/ic/pull/3555))
* [`a4dd63884`](https://github.com/dfinity/ic/commit/a4dd63884) Node: rename ssh services ([#3548](https://github.com/dfinity/ic/pull/3548))

-------------------------------------------
Full list of changes (including the ones that are not relevant to GuestOS) can be found on [GitHub](https://github.com/dfinity/dre/blob/30ae6dcf8a438c6f06e81685a1d94d06ab121a3b/replica-releases/550209a750be0575cc4afff5e23c04b03048c08e.md).

# IC-OS Verification

To build and verify the IC-OS disk image, run:

```
# From https://github.com/dfinity/ic#verifying-releases
sudo apt-get install -y curl && curl --proto '=https' --tlsv1.2 -sSLO https://raw.githubusercontent.com/dfinity/ic/550209a750be0575cc4afff5e23c04b03048c08e/ci/tools/repro-check.sh && chmod +x repro-check.sh && ./repro-check.sh -c 550209a750be0575cc4afff5e23c04b03048c08e --guestos
```

The two SHA256 sums printed above from a) the downloaded CDN image and b) the locally built image, must be identical, and must match the SHA256 from the payload of the NNS proposal.

While not required for this NNS proposal, as we are only electing a new GuestOS version here, you have the option to verify the build reproducibility of the HostOS by passing `--hostos` to the script above instead of `--guestos`, or the SetupOS by passing `--setupos`.


Link to the forum post: https://forum.dfinity.org/t/proposal-to-elect-new-release-rc-2025-01-23-03-04/40415/1

Elect new IC/Replica revision (commit 550209a)