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Release Notes for [**release\-2025\-01\-09\_03\-19\-base**](https://github.com/dfinity/ic/tree/release-2025-01-09_03-19-base) (aa705aaa621c2e0d4f146f3a1de801edcb0fa0d5\)
=========================================================================================================================================================================

This release is based on changes since [release\-2025\-01\-03\_03\-07\-base](https://dashboard.internetcomputer.org/release/76a634c31dfb840da25fbe286855eb0be1818ca8) (76a634c31dfb840da25fbe286855eb0be1818ca8\).

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-2025-01-03_03-07-base...release-2025-01-09_03-19-base).

Features:
---------

* [`41b1a2ed4`](https://github.com/dfinity/ic/commit/41b1a2ed4) Consensus,Interface(recovery): Add CLI option to use existing binaries for local recoveries ([\#3301](https://github.com/dfinity/ic/pull/3301))
* [`c7141f639`](https://github.com/dfinity/ic/commit/c7141f639) Execution,Interface: Use state layout tmp dir for compilation cache ([\#3140](https://github.com/dfinity/ic/pull/3140))
* [`c741e3494`](https://github.com/dfinity/ic/commit/c741e3494) Interface: ICRC\-ledger: Implement V4 for ICRC ledger \- migrate balances to stable structures ([\#2901](https://github.com/dfinity/ic/pull/2901))
* [`aa705aaa6`](https://github.com/dfinity/ic/commit/aa705aaa6) Node: Run chown/chmod in setup\-permissions in parallel ([\#3373](https://github.com/dfinity/ic/pull/3373))
* [`36e2b45d4`](https://github.com/dfinity/ic/commit/36e2b45d4) Node: Configuration revamp (SetupOS integration) ([\#3270](https://github.com/dfinity/ic/pull/3270))

Bugfixes:
---------

* [`f73b98993`](https://github.com/dfinity/ic/commit/f73b98993) Execution,Interface: Reject code in synchronous rejects ([\#3362](https://github.com/dfinity/ic/pull/3362))
* [`a9d2098e8`](https://github.com/dfinity/ic/commit/a9d2098e8) Execution,Interface: Include reservation cycles in error reported during taking a canister snapshot ([\#3331](https://github.com/dfinity/ic/pull/3331))
* [`1ed522a29`](https://github.com/dfinity/ic/commit/1ed522a29) Execution,Interface,Message Routing: Check low wasm memory hook status after an upgrade/reinstall/uninstall/install ([\#3195](https://github.com/dfinity/ic/pull/3195))

Performance improvements:
-------------------------

* [`e742c7d60`](https://github.com/dfinity/ic/commit/e742c7d60) Interface,Message Routing: Move heavy object deallocation off the critical Execution path ([\#3241](https://github.com/dfinity/ic/pull/3241))

Chores:
-------

* [`67cd0a790`](https://github.com/dfinity/ic/commit/67cd0a790) Consensus,Interface: Increment metric in case of NiDkgTag mismatches ([\#3329](https://github.com/dfinity/ic/pull/3329))
* [`227e8e3de`](https://github.com/dfinity/ic/commit/227e8e3de) Execution,Interface: Ignore Wasmtime validation errors ([\#3338](https://github.com/dfinity/ic/pull/3338))
* [`9377651bb`](https://github.com/dfinity/ic/commit/9377651bb) Execution,Interface,Node(execution\-environment): Specify image\-classification canister WASM as a Bazel dependency ([\#3355](https://github.com/dfinity/ic/pull/3355))
* [`0cd1ac662`](https://github.com/dfinity/ic/commit/0cd1ac662) Interface: Update ic\-agent and ic\-agent's reverse dependencies to v0\.39 ([\#3282](https://github.com/dfinity/ic/pull/3282))

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

* [`6410e399d`](https://github.com/dfinity/ic/commit/6410e399d) Consensus,Interface: Factor out DKG submodule into its own crate ([\#3340](https://github.com/dfinity/ic/pull/3340))
* [`f90023fe7`](https://github.com/dfinity/ic/commit/f90023fe7) Consensus,Interface(Consensus): Move some files around to decrease consensus internal dependencies ([\#3130](https://github.com/dfinity/ic/pull/3130))
* [`983a05359`](https://github.com/dfinity/ic/commit/983a05359) Consensus,Interface(Consensus): Factor CUP functionality out of dkg submodule ([\#3126](https://github.com/dfinity/ic/pull/3126))
* [`ba248f767`](https://github.com/dfinity/ic/commit/ba248f767) Execution,Interface: Rename field in InsufficientCyclesInMemoryGrow error ([\#3333](https://github.com/dfinity/ic/pull/3333))

Documentation:
--------------

* [`cc086f3a1`](https://github.com/dfinity/ic/commit/cc086f3a1) Owners(ICRC\_Ledger): Add rustdoc to icrc\-ledger\-types ([\#3345](https://github.com/dfinity/ic/pull/3345))

-------------------------------------------
Full list of changes (including the ones that are not relevant to GuestOS) can be found on [GitHub](https://github.com/dfinity/dre/blob/471e8a01f3251a19fef5b4d571e80d1b85d54d6a/replica-releases/aa705aaa621c2e0d4f146f3a1de801edcb0fa0d5.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/aa705aaa621c2e0d4f146f3a1de801edcb0fa0d5/ci/tools/repro-check.sh && chmod +x repro-check.sh && ./repro-check.sh -c aa705aaa621c2e0d4f146f3a1de801edcb0fa0d5 --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-2025-01-09-03-19/39880/1

Elect new IC/Replica revision (commit aa705aa)