diff --git a/replica-releases/59c42492cd6ee3ef5e60cd35d7b766e7bfd085da.md b/replica-releases/59c42492cd6ee3ef5e60cd35d7b766e7bfd085da.md
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+Release Notes for [release-2026-08-13_03-55-base](https://github.com/dfinity/ic/tree/release-2026-08-13_03-55-base) (`59c42492cd6ee3ef5e60cd35d7b766e7bfd085da`)
+This release is based on changes since [release-2026-08-06_04-21-base](https://dashboard.internetcomputer.org/release/fffab354a5cf76bf40ea3e0742de29e293277ff3) (`fffab354a5cf76bf40ea3e0742de29e293277ff3`).
+
+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-2026-08-06_04-21-base...release-2026-08-13_03-55-base).
+## Features:
+* [`1b07ffa84`](https://github.com/dfinity/ic/commit/1b07ffa84) Core Protocol: Add a `cooling_down` flag to `SubnetTopology` ([#11117](https://github.com/dfinity/ic/pull/11117))
+* [`0d9f2327e`](https://github.com/dfinity/ic/commit/0d9f2327e) Core Protocol(subnet-splitting): do not validate certifications of other subnet ([#10970](https://github.com/dfinity/ic/pull/10970))
+* [`690482359`](https://github.com/dfinity/ic/commit/690482359) Core Protocol: Introduce `OutOfCycles` error for flexible outcalls ([#11040](https://github.com/dfinity/ic/pull/11040))
+* [`a60297197`](https://github.com/dfinity/ic/commit/a60297197) Core Protocol(delegations): reactively fetch delegations on new public key and/or canister ranges ([#10699](https://github.com/dfinity/ic/pull/10699))
+* [`288f40087`](https://github.com/dfinity/ic/commit/288f40087) Core Protocol: move metrics-proxy to IC repo ([#11053](https://github.com/dfinity/ic/pull/11053))
+* [`06d6a7bbe`](https://github.com/dfinity/ic/commit/06d6a7bbe) Core Protocol(subnet-splitting): freeze registry version until summary is reached ([#10938](https://github.com/dfinity/ic/pull/10938))
+* [`b9eac647c`](https://github.com/dfinity/ic/commit/b9eac647c) Core Protocol: Consensus cost of flexible HTTP outcalls must be covered by allowance ([#10966](https://github.com/dfinity/ic/pull/10966))
+* [`777dc537a`](https://github.com/dfinity/ic/commit/777dc537a) Core Protocol,Node: migrate remaining ic-cdk ::call to Call ([#11055](https://github.com/dfinity/ic/pull/11055))
+## Bugfixes:
+* [`143126322`](https://github.com/dfinity/ic/commit/143126322) Core Protocol: Enforce limit on claimed HTTP outcalls response size ([#11080](https://github.com/dfinity/ic/pull/11080))
+* [`25a1dd311`](https://github.com/dfinity/ic/commit/25a1dd311) Core Protocol(test-utils): drop Discretionary Access Control (DAC) capabilities instead of forking to `nobody` ([#11063](https://github.com/dfinity/ic/pull/11063))
+* [`ba39adf74`](https://github.com/dfinity/ic/commit/ba39adf74) Node: Use unique locks for each podman invocation ([#11041](https://github.com/dfinity/ic/pull/11041))
+## Performance improvements:
+* [`fccb24ed6`](https://github.com/dfinity/ic/commit/fccb24ed6) Core Protocol: only compute the duplicate message's `MessageId` when it is used ([#11075](https://github.com/dfinity/ic/pull/11075))
+## Chores:
+* [`42f67fefa`](https://github.com/dfinity/ic/commit/42f67fefa) Core Protocol: Better error messages for invalid pubkeys ([#11114](https://github.com/dfinity/ic/pull/11114))
+* [`b175b4b97`](https://github.com/dfinity/ic/commit/b175b4b97) Core Protocol(subnet-splitting): set summary's subnet splitting status ([#11070](https://github.com/dfinity/ic/pull/11070))
+* [`328df600d`](https://github.com/dfinity/ic/commit/328df600d) Owners: bump rustls-acme ([#11103](https://github.com/dfinity/ic/pull/11103))
+* [`59c42492c`](https://github.com/dfinity/ic/commit/59c42492c) Node: Update Base Image Refs [2026-08-12-0143] ([#11109](https://github.com/dfinity/ic/pull/11109))
+* [`5fd1191bf`](https://github.com/dfinity/ic/commit/5fd1191bf) Node: Update Base Image Refs [2026-08-06-0855] ([#11043](https://github.com/dfinity/ic/pull/11043))
+* [`abfe20051`](https://github.com/dfinity/ic/commit/abfe20051) Node: deduplicate some crates ([#11098](https://github.com/dfinity/ic/pull/11098))
+* [`0d6f19860`](https://github.com/dfinity/ic/commit/0d6f19860) Node(bazel): move C++ libraries from rust `deps` to `link_deps` ([#11074](https://github.com/dfinity/ic/pull/11074))
+## Refactoring:
+* [`506a0bc1a`](https://github.com/dfinity/ic/commit/506a0bc1a) Core Protocol(consensus): introduce a builder pattern for dependencies in consensus' unit tests ([#11064](https://github.com/dfinity/ic/pull/11064))
+* [`b5c69fc3d`](https://github.com/dfinity/ic/commit/b5c69fc3d) Core Protocol: decode `Cycles` from little-endian bytes via `TryFrom` ([#11102](https://github.com/dfinity/ic/pull/11102))
+## Tests:
+
+## Excluded Changes
+
+### Changed files are excluded by file path filter
+* [`486eb776c`](https://github.com/dfinity/ic/commit/486eb776c) Core Protocol: keep the aggregate canister log within its byte capacity ([#11101](https://github.com/dfinity/ic/pull/11101))
+
+### Not modifying GuestOS
+* [`4bb7cca54`](https://github.com/dfinity/ic/commit/4bb7cca54) Core Protocol: add `status_visibility` to `ic-management-canister-types` ([#11119](https://github.com/dfinity/ic/pull/11119))
+* [`e156e901f`](https://github.com/dfinity/ic/commit/e156e901f) Defi(cketh): read a native ETH balance via the EVM RPC canister ([#11060](https://github.com/dfinity/ic/pull/11060))
+* [`4b7e87bf9`](https://github.com/dfinity/ic/commit/4b7e87bf9) Governance: prettify bytes ourselves ([#11062](https://github.com/dfinity/ic/pull/11062))
+* [`84c7e7d68`](https://github.com/dfinity/ic/commit/84c7e7d68) Core Protocol: adapt II init args to new mainnet candid ([#11099](https://github.com/dfinity/ic/pull/11099))
+* [`5ec6c4cd0`](https://github.com/dfinity/ic/commit/5ec6c4cd0) DRE(node-rewards): report whether rewards were computed, and the per-message instructions ([#11115](https://github.com/dfinity/ic/pull/11115))
+* [`43b7386aa`](https://github.com/dfinity/ic/commit/43b7386aa) DRE(node-rewards): correct the second reward reduction cohort ([#11112](https://github.com/dfinity/ic/pull/11112))
+* [`27e094a14`](https://github.com/dfinity/ic/commit/27e094a14) Node: Fix baremetal test after #10457 ([#11058](https://github.com/dfinity/ic/pull/11058))
+* [`2b7ce2fd0`](https://github.com/dfinity/ic/commit/2b7ce2fd0) Core Protocol(system-tests): lower DEFAULT_MEMORY_KIB_PER_VM from 24GiB to 4GiB ([#11061](https://github.com/dfinity/ic/pull/11061))
+* [`a721b5a79`](https://github.com/dfinity/ic/commit/a721b5a79) Defi: bump cffi and pycparser in rosetta-api python examples ([#11081](https://github.com/dfinity/ic/pull/11081))
+* [`0dc08e12d`](https://github.com/dfinity/ic/commit/0dc08e12d) Defi: bump cryptography to 50 in rosetta-api ([#11071](https://github.com/dfinity/ic/pull/11071))
+* [`c1e09726e`](https://github.com/dfinity/ic/commit/c1e09726e) Governance: Delete the blessed version list from the registry ([#10940](https://github.com/dfinity/ic/pull/10940))
+* [`b4aee19a9`](https://github.com/dfinity/ic/commit/b4aee19a9) Governance(nervous-system): Update changelog for release 2026-08-07 ([#11077](https://github.com/dfinity/ic/pull/11077))
+* [`5277cf192`](https://github.com/dfinity/ic/commit/5277cf192) Owners: bump libflate in cargo ([#11051](https://github.com/dfinity/ic/pull/11051))
+* [`9d7a0fda4`](https://github.com/dfinity/ic/commit/9d7a0fda4) Owners: Update Mainnet IC revisions canisters file ([#11105](https://github.com/dfinity/ic/pull/11105))
+* [`4e52302ae`](https://github.com/dfinity/ic/commit/4e52302ae) Owners: Update Mainnet ICOS revisions file ([#11096](https://github.com/dfinity/ic/pull/11096))
+* [`2d885f52b`](https://github.com/dfinity/ic/commit/2d885f52b) Owners: Update Mainnet IC revisions canisters file ([#11088](https://github.com/dfinity/ic/pull/11088))
+* [`8d7b2eecc`](https://github.com/dfinity/ic/commit/8d7b2eecc) Owners: Update Mainnet IC revisions canisters file ([#11082](https://github.com/dfinity/ic/pull/11082))
+* [`7ef349774`](https://github.com/dfinity/ic/commit/7ef349774) Owners: Update Mainnet ICOS revisions file ([#11079](https://github.com/dfinity/ic/pull/11079))
+* [`6ab1a7b50`](https://github.com/dfinity/ic/commit/6ab1a7b50) IDX: bump ic-canister-runtime to 0.2.3 to unblock canhttp on ic-cdk 0.20 ([#11073](https://github.com/dfinity/ic/pull/11073))
+* [`3ec5d044f`](https://github.com/dfinity/ic/commit/3ec5d044f) IDX(system-tests): double default cpus_oversubscription_factor from 2 to 4 ([#11068](https://github.com/dfinity/ic/pull/11068))
+* [`5aeb9e56c`](https://github.com/dfinity/ic/commit/5aeb9e56c) IDX: bump canbench to 0.7.0 ([#11056](https://github.com/dfinity/ic/pull/11056))
+* [`ceeb689b4`](https://github.com/dfinity/ic/commit/ceeb689b4) IDX: use the new `nsc bazel setup` command to setup RBE ([#11049](https://github.com/dfinity/ic/pull/11049))
+* [`49b306f7f`](https://github.com/dfinity/ic/commit/49b306f7f) IDX: don't run CI on public-hotfix branches ([#11047](https://github.com/dfinity/ic/pull/11047))
+* [`1e1a81308`](https://github.com/dfinity/ic/commit/1e1a81308) IDX: rm the feat-ai-on-engines branch logic ([#11044](https://github.com/dfinity/ic/pull/11044))
+* [`f3b627933`](https://github.com/dfinity/ic/commit/f3b627933) Node: Remove old raw python tooling ([#11059](https://github.com/dfinity/ic/pull/11059))
+* [`b8b3ea96e`](https://github.com/dfinity/ic/commit/b8b3ea96e) Node: bump cryptography (pip) ([#11050](https://github.com/dfinity/ic/pull/11050))
+* [`e43fa3796`](https://github.com/dfinity/ic/commit/e43fa3796) Defi(cketh): deduplicate signed-transaction and transaction-hash literals in integration tests ([#10950](https://github.com/dfinity/ic/pull/10950))
+* [`04a1d9ebc`](https://github.com/dfinity/ic/commit/04a1d9ebc) Defi(ledger-suite-orchestrator): migrate integration tests to PocketIC ([#10949](https://github.com/dfinity/ic/pull/10949))
+
+### The change is not owned by any replica or HostOS team
+* [`68693df0b`](https://github.com/dfinity/ic/commit/68693df0b) IDX: deduplicate pprof-related dependencies ([#11100](https://github.com/dfinity/ic/pull/11100))
+* [`adc989321`](https://github.com/dfinity/ic/commit/adc989321) IDX: bump comparable and use fork ([#11089](https://github.com/dfinity/ic/pull/11089))
+* [`443edf1b7`](https://github.com/dfinity/ic/commit/443edf1b7) IDX: bump and slim down rust_decimal ([#11084](https://github.com/dfinity/ic/pull/11084))
+* [`8cc093cc8`](https://github.com/dfinity/ic/commit/8cc093cc8) IDX: bump build-info ([#11067](https://github.com/dfinity/ic/pull/11067))
+* [`0bc21c1c6`](https://github.com/dfinity/ic/commit/0bc21c1c6) IDX: patch pcre2-sys for reproducibility ([#11090](https://github.com/dfinity/ic/pull/11090))
+* [`c47439bdd`](https://github.com/dfinity/ic/commit/c47439bdd) IDX: Bump candid ([#11116](https://github.com/dfinity/ic/pull/11116))