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+Release Notes for [**release-2026-05-07\_04-27-base**](https://github.com/dfinity/ic/tree/release-2026-05-07_04-27-base) (62e841d27ea12451f504e74c54843b7cbf93ca4d)
+===================================================================================================================================================================
+
+This release is based on changes since [release-2026-04-30\_04-26-base](https://dashboard.internetcomputer.org/release/f31310fe9d4237e1352477ae9a9b009bbe78c968) (f31310fe9d4237e1352477ae9a9b009bbe78c968).
+
+Please note that some commits may be excluded from this release if they're not relevant, or not modifying the HostOS 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-2026-04-30_04-26-base...release-2026-05-07_04-27-base).
+
+Chores:
+-------
+
+* [`a9226dc4b`](https://github.com/dfinity/ic/commit/a9226dc4b) Node: Update Base Image Refs [2026-05-06-0149] ([#10098](https://github.com/dfinity/ic/pull/10098))
+* [`a3bec6b1d`](https://github.com/dfinity/ic/commit/a3bec6b1d) Node: Update Base Image Refs [2026-04-30-0845] ([#10066](https://github.com/dfinity/ic/pull/10066))
+
+------------------------------------------
+
+## Excluded Changes
+
+### Excluded by authors
+* [`259d224bf`](https://github.com/dfinity/ic/commit/259d224bf) Consensus(DSM): Enable memory tracker charging ([#9565](https://github.com/dfinity/ic/pull/9565))
+* [`535ee1251`](https://github.com/dfinity/ic/commit/535ee1251) Node: Switch GuestOS TEE detection to dfinity.tee kernel cmdline ([#10047](https://github.com/dfinity/ic/pull/10047))
+* [`092ab716f`](https://github.com/dfinity/ic/commit/092ab716f) DSM: Add canister\_metrics management canister endpoint ([#10088](https://github.com/dfinity/ic/pull/10088))
+* [`0bf1d54b4`](https://github.com/dfinity/ic/commit/0bf1d54b4) DSM: Add counter metrics for consumed cycles ([#9922](https://github.com/dfinity/ic/pull/9922))
+* [`f6458105c`](https://github.com/dfinity/ic/commit/f6458105c) DSM: Improve scheduler fairness ([#9985](https://github.com/dfinity/ic/pull/9985))
+* [`c7dac00f3`](https://github.com/dfinity/ic/commit/c7dac00f3) Consensus,DSM: Disallow PUT/DELETE for flexible outcalls unless min\_responses = max\_responses = total\_requests ([#10070](https://github.com/dfinity/ic/pull/10070))
+* [`6acd850d1`](https://github.com/dfinity/ic/commit/6acd850d1) Consensus: Remove signature\_agreements from IDkgPayload and begin Hash migration ([#9829](https://github.com/dfinity/ic/pull/9829))
+* [`c47317bdf`](https://github.com/dfinity/ic/commit/c47317bdf) Consensus,Interface: remove exec bits to Rust source files ([#10020](https://github.com/dfinity/ic/pull/10020))
+* [`0c1d1e9e7`](https://github.com/dfinity/ic/commit/0c1d1e9e7) DSM: Upgrade wasm tools to V248 ([#10091](https://github.com/dfinity/ic/pull/10091))
+* [`943f72bef`](https://github.com/dfinity/ic/commit/943f72bef) DSM: Drop canister priority from canister state ([#10064](https://github.com/dfinity/ic/pull/10064))
+* [`c53c95358`](https://github.com/dfinity/ic/commit/c53c95358) DSM: Get rid of CanisterLog::delta\_log\_sizes ([#8884](https://github.com/dfinity/ic/pull/8884))
+* [`63f33dc74`](https://github.com/dfinity/ic/commit/63f33dc74) DSM: account for CREATE\_EXECUTION\_STATE\_BASE\_COST ([#10065](https://github.com/dfinity/ic/pull/10065))
+* [`dc35b78b1`](https://github.com/dfinity/ic/commit/dc35b78b1) DSM: Debug-only SubnetSchedule::fully\_executed\_canisters field ([#10089](https://github.com/dfinity/ic/pull/10089))
+* [`a60cc1959`](https://github.com/dfinity/ic/commit/a60cc1959) DSM: thread log\_memory\_store\_feature flag through config ([#10084](https://github.com/dfinity/ic/pull/10084))
+* [`7849b7b84`](https://github.com/dfinity/ic/commit/7849b7b84) DSM: canister ID generation ([#10046](https://github.com/dfinity/ic/pull/10046))
+
+### Not modifying HostOS
+* [`62e841d27`](https://github.com/dfinity/ic/commit/62e841d27) Consensus: Stop using blessed versions list for invariants in the registry ([#9772](https://github.com/dfinity/ic/pull/9772))
+* [`2f5d582b2`](https://github.com/dfinity/ic/commit/2f5d582b2) Consensus: Allow specifying initial DKG subnet for subnet splitting and rental ([#10027](https://github.com/dfinity/ic/pull/10027))
+* [`616f9335a`](https://github.com/dfinity/ic/commit/616f9335a) Consensus: Add a function to update the number of ongoing remote DKG attempts ([#10062](https://github.com/dfinity/ic/pull/10062))
+* [`ce5f73fa7`](https://github.com/dfinity/ic/commit/ce5f73fa7) Defi(ckbtc-minter): support consent messages ([#10093](https://github.com/dfinity/ic/pull/10093))
+* [`f3e0a4a67`](https://github.com/dfinity/ic/commit/f3e0a4a67) Governance: Extract shared ExchangeRateCanisterClient into ic-nervous-system-clients ([#9846](https://github.com/dfinity/ic/pull/9846))
+* [`8df8ffcab`](https://github.com/dfinity/ic/commit/8df8ffcab) IDX: Allow base image builds from branches ([#10068](https://github.com/dfinity/ic/pull/10068))
+* [`c7c500541`](https://github.com/dfinity/ic/commit/c7c500541) Node: Forward Upgrade GuestVM journald logs to serial output ([#10073](https://github.com/dfinity/ic/pull/10073))
+* [`b2f291dd9`](https://github.com/dfinity/ic/commit/b2f291dd9) Node: Move LUKS header to a detached file ([#10058](https://github.com/dfinity/ic/pull/10058))
+* [`c641ab42a`](https://github.com/dfinity/ic/commit/c641ab42a) Node: ic-boundary: support new call types ([#10053](https://github.com/dfinity/ic/pull/10053))
+* [`dc3040c3f`](https://github.com/dfinity/ic/commit/dc3040c3f) DSM: No execution overhead on low cycles ([#10096](https://github.com/dfinity/ic/pull/10096))
+* [`d35bc3c58`](https://github.com/dfinity/ic/commit/d35bc3c58) Consensus: deflake //rs/tests/consensus:replica\_determinism\_test by allowing panics in "MR Batch Processor" thread ([#10069](https://github.com/dfinity/ic/pull/10069))
+* [`72c7f3be1`](https://github.com/dfinity/ic/commit/72c7f3be1) IDX(systest): broader allowed panic sources in system tests ([#10102](https://github.com/dfinity/ic/pull/10102))
+* [`122c6ceb8`](https://github.com/dfinity/ic/commit/122c6ceb8) DSM: Revert "fix: instructions for Operator::ReturnCallIndirect" ([#10095](https://github.com/dfinity/ic/pull/10095))
+* [`5dd9919db`](https://github.com/dfinity/ic/commit/5dd9919db) DSM: Ignore executed\_rounds when computing total AP ([#10092](https://github.com/dfinity/ic/pull/10092))
+* [`c0d49f2fb`](https://github.com/dfinity/ic/commit/c0d49f2fb) DSM: instructions for Operator::ReturnCallIndirect ([#10086](https://github.com/dfinity/ic/pull/10086))
+* [`3be006049`](https://github.com/dfinity/ic/commit/3be006049) Consensus: require a unique subnet ID in /canister\_ranges paths via read state ([#10067](https://github.com/dfinity/ic/pull/10067))
+* [`88a0df635`](https://github.com/dfinity/ic/commit/88a0df635) Defi(icrc-ledger-types): Switch icrc-ledger-types bazel variants ([#9900](https://github.com/dfinity/ic/pull/9900))
+* [`fbdf88b88`](https://github.com/dfinity/ic/commit/fbdf88b88) Owners: add ic-xrc-types to workspace dependencies ([#9443](https://github.com/dfinity/ic/pull/9443))
+* [`301678ff8`](https://github.com/dfinity/ic/commit/301678ff8) Owners: Update Mainnet ICOS revisions file ([#10087](https://github.com/dfinity/ic/pull/10087))
+* [`cdf62f7ba`](https://github.com/dfinity/ic/commit/cdf62f7ba) Owners: Update Mainnet ICOS revisions file ([#10077](https://github.com/dfinity/ic/pull/10077))
+* [`7075b5d20`](https://github.com/dfinity/ic/commit/7075b5d20) Owners: Update Mainnet IC revisions canisters file ([#10078](https://github.com/dfinity/ic/pull/10078))
+* [`f41183a4e`](https://github.com/dfinity/ic/commit/f41183a4e) Owners: Update Mainnet ICOS revisions file ([#10076](https://github.com/dfinity/ic/pull/10076))
+* [`9f0885eb8`](https://github.com/dfinity/ic/commit/9f0885eb8) IDX: Drop Bazel Build All No Cache ([#10090](https://github.com/dfinity/ic/pull/10090))
+* [`82f724d1d`](https://github.com/dfinity/ic/commit/82f724d1d) DSM: Rename low\_cycle\_balance\_canisters ([#10104](https://github.com/dfinity/ic/pull/10104))
+* [`3181aeb2d`](https://github.com/dfinity/ic/commit/3181aeb2d) DSM: log\_memory\_limit cannot be set together with memory allocation ([#10103](https://github.com/dfinity/ic/pull/10103))
+* [`4a7b8e159`](https://github.com/dfinity/ic/commit/4a7b8e159) Governance: move decode\_registry\_value into shared pocket\_ic\_helpers ([#9334](https://github.com/dfinity/ic/pull/9334))
+* [`b5ec1c24e`](https://github.com/dfinity/ic/commit/b5ec1c24e) DSM: merge validate\_canister\_settings + do\_update\_settings ([#10085](https://github.com/dfinity/ic/pull/10085))
+* [`239620652`](https://github.com/dfinity/ic/commit/239620652) Consensus(upgrade): more exhaustive upgrade system tests ([#10063](https://github.com/dfinity/ic/pull/10063))
+* [`26db60a6c`](https://github.com/dfinity/ic/commit/26db60a6c) Defi(cketh): Add retry mechanism to assert\_has\_unique\_events\_in\_order ([#10099](https://github.com/dfinity/ic/pull/10099))
+* [`936346afd`](https://github.com/dfinity/ic/commit/936346afd) Defi(ckdoge): fix ckdoge test setup ([#10082](https://github.com/dfinity/ic/pull/10082))
+
+### The change is not owned by any replica or HostOS team
+* [`2ece50a64`](https://github.com/dfinity/ic/commit/2ece50a64) IDX: Upgrade wasmtime to V44 ([#10079](https://github.com/dfinity/ic/pull/10079))