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+# Proposal to upgrade the ledger suite orchestrator canister
+
+Repository: `https://github.com/dfinity/ic.git`
+
+Git hash: `e446c64d99a97e38166be23ff2bfade997d15ff7`
+
+New compressed Wasm hash: `1a668b49dc2ba055c88560cd797077aa1d0c2f2e908cf0398046fb6d023daf1b`
+
+Upgrade args hash: `3b662095428928eb1f9c1a6ebfa4e3fd05c8b9fb16dee2272c51ebab859d18f8`
+
+Target canister: `vxkom-oyaaa-aaaar-qafda-cai`
+
+Previous ledger suite orchestrator proposal: https://dashboard.internetcomputer.org/proposal/138707
+
+---
+
+## Motivation
+
+Upgrade all ledger suites managed by the orchestrator to the latest version ([ledger-suite-icrc-2025-10-27](https://github.com/dfinity/ic/releases/tag/ledger-suite-icrc-2025-10-27)).
+
+## Release Notes
+
+### Orchestrator
+
+```
+git log --format='%C(auto) %h %s' 3f3d9bfac750f82f424185ac5b32a756cfd45ad9..e446c64d99a97e38166be23ff2bfade997d15ff7 -- rs/ethereum/ledger-suite-orchestrator
+2f56f172a1 chore: bump rust to 1.89 (#6758)
+b9221277cd chore: bumping edition to 2024 (#6715)
+5c143d81fa feat: migrate to edition 2024 (#6667)
+```
+
+### Ledger Suite
+
+The commit used
+`e446c64d99a97e38166be23ff2bfade997d15ff7` corresponds to the [ICRC Ledger Suite release 2025-10-27](https://github.com/dfinity/ic/releases/tag/ledger-suite-icrc-2025-10-27).
+
+#### Ledger
+
+```
+git log --format="%C(auto) %h %s" ledger-suite-icrc-2025-09-01..ledger-suite-icrc-2025-10-27 -- rs/ledger_suite/common rs/ledger_suite/icrc1/ledger rs/ledger_suite/icrc1/src rs/ledger_suite/icrc1/tokens_u256 packages/icrc-ledger-types
+ 7644b35479 feat(Ledgers): FI-1881: Check ledger liquid cycles balance before spawning archive (#7363)
+ 8c1dd9e122 chore(icrc-ledger-types): release version 0.1.12 of icrc-ledger-types (#7291)
+ b358d80102 chore: upgrade rust: 1.89.0 -> 1.90.0 (#7322)
+ aec0573069 feat(ICRC-Index): FI-1759: stop indexing and report error in case of unknown block (#6996)
+ d3f6d031b7 test(Ledgers): FI-1881: Add tests for archive spawning with cycles attached (#7221)
+ fb4dff62d3 fix(icrc-ledger-types): FI-1866: Add try_from_subaccount_to_principal (#6911)
+ 2f56f172a1 chore: bump rust to 1.89 (#6758)
+ 3fccd4e885 refactor(Ledgers): FI-1530: Extract InMemoryLedger into separate crate (#6847)
+ 511b43918c chore(Ledgers): FI-1865: Simplify canister ID conversion (#6858)
+ 5ac0606166 chore(icrc-ledger-types): bump version with recent icrc21 types changes, update changelog (#6860)
+ 1a7ae4c615 refactor(Ledgers): FI-1529: Extract ledger suite StateMachine helpers into a separate crate (#6812)
+ 143ab585d5 refactor(Ledgers): FI-1814: Extract some consts into ic-ledger-suite-state-machine-tests-constants crate (#6733)
+ b9221277cd chore: bumping edition to 2024 (#6715)
+```
+
+#### Index
+
+```
+git log --format="%C(auto) %h %s" ledger-suite-icrc-2025-09-01..ledger-suite-icrc-2025-10-27 -- rs/ledger_suite/icrc1/index-ng
+ 7644b35479 feat(Ledgers): FI-1881: Check ledger liquid cycles balance before spawning archive (#7363)
+ aec0573069 feat(ICRC-Index): FI-1759: stop indexing and report error in case of unknown block (#6996)
+ 89d0cecc05 feat(ICRC_Index): FI-1849: Add support for fees in mint and burn blocks (#6508)
+ a50d51698f chore(Ledgers): Remove unused dependencies (#7012)
+ 2f56f172a1 chore: bump rust to 1.89 (#6758)
+ 1a7ae4c615 refactor(Ledgers): FI-1529: Extract ledger suite StateMachine helpers into a separate crate (#6812)
+ 7baf5eedf4 chore: bumping edition to follow workspace edition in leftover Cargo.toml (#6779)
+ 91f28f7e11 refactor(Ledger_suite): FI-1814: Move test_http_request_decoding_quota (#6729)
+ b9221277cd chore: bumping edition to 2024 (#6715)
+```
+
+#### Archive
+
+```
+git log --format="%C(auto) %h %s" ledger-suite-icrc-2025-09-01..ledger-suite-icrc-2025-10-27 -- rs/ledger_suite/icrc1/archive/
+ aec0573069 feat(ICRC-Index): FI-1759: stop indexing and report error in case of unknown block (#6996)
+ a50d51698f chore(Ledgers): Remove unused dependencies (#7012)
+ 2f56f172a1 chore: bump rust to 1.89 (#6758)
+ 91f28f7e11 refactor(Ledger_suite): FI-1814: Move test_http_request_decoding_quota (#6729)
+ b9221277cd chore: bumping edition to 2024 (#6715)
+ 28de7a00e3 feat(ICRC-Archive): FI-1844: Ensure upgrade u64 <-> u256 fails (#6546)
+```
+
+## Upgrade args
+
+```
+git fetch
+git checkout e446c64d99a97e38166be23ff2bfade997d15ff7
+didc encode -d rs/ethereum/ledger-suite-orchestrator/ledger_suite_orchestrator.did -t '(OrchestratorArg)' '(
+  variant {
+    UpgradeArg = record {
+      git_commit_hash = opt "e446c64d99a97e38166be23ff2bfade997d15ff7";
+      ledger_compressed_wasm_hash = opt "15ec452faf00c40135b96a3ba0951ea13050e6e95e38cff249305462f81db62d";
+      index_compressed_wasm_hash = opt "8df72887ab235f4533ee613b1bc7293ec8d62c866525b1425934cf992ef894a7";
+      archive_compressed_wasm_hash = opt "3a0820cda687ee413f7f6b0d64199e2db125f17a8ea880918282b643f6c4cfa0";
+    }
+  },
+)' | xxd -r -p | sha256sum
+```
+
+## Wasm Verification
+
+Verify that the hash of the gzipped WASM matches the proposed hash.
+
+```
+git fetch
+git checkout e446c64d99a97e38166be23ff2bfade997d15ff7
+"./ci/container/build-ic.sh" "--canisters"
+sha256sum ./artifacts/canisters/ic-ledger-suite-orchestrator-canister.wasm.gz
+```
+
+Verify that the hashes of the gzipped WASMs for the ledger, index and archive match the proposed hashes in the upgrade arguments.
+
+```
+git fetch
+git checkout e446c64d99a97e38166be23ff2bfade997d15ff7
+"./ci/container/build-ic.sh" "--canisters"
+sha256sum ./artifacts/canisters/ic-icrc1-ledger-u256.wasm.gz
+sha256sum ./artifacts/canisters/ic-icrc1-index-ng-u256.wasm.gz
+sha256sum ./artifacts/canisters/ic-icrc1-archive-u256.wasm.gz
+```