chore(release): Elect version de43a3737ea619fa55b7c4d7c9ebf970a20f473e as GuestOS candidate for rollout (#1912)

Author: sa-github-api

replica-releases/de43a3737ea619fa55b7c4d7c9ebf970a20f473e.md

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+Release Notes for [release-2026-02-20_12-29-hotfix-007c473c-retry-flaky-tests](https://github.com/dfinity/ic/tree/release-2026-02-20_12-29-hotfix-007c473c-retry-flaky-tests) (`de43a3737ea619fa55b7c4d7c9ebf970a20f473e`)
+This release is based on changes since [release-2026-02-20_12-29-base](https://dashboard.internetcomputer.org/release/007c473c9c7fc820c49eea5c823cdd4b9404119d) (`007c473c9c7fc820c49eea5c823cdd4b9404119d`).
+
+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-2026-02-20_12-29-base...release-2026-02-20_12-29-hotfix-007c473c-retry-flaky-tests).
+## Bugfixes:
+* [`a62fbc672`](https://github.com/dfinity/ic/commit/a62fbc672) DSM: More consistent `remaining_canisters`
+## Chores:
+
+## Excluded Changes
+
+### Not modifying GuestOS
+* [`acc1eee48`](https://github.com/dfinity/ic/commit/acc1eee48) IDX: retry all tests sans some exclusions ([#8995](https://github.com/dfinity/ic/pull/8995))
+* [`f75cb2583`](https://github.com/dfinity/ic/commit/f75cb2583) IDX: split out aws creds ([#8941](https://github.com/dfinity/ic/pull/8941))
+* [`de43a3737`](https://github.com/dfinity/ic/commit/de43a3737) DSM: don't run btc integration tests on macos intel ([#9005](https://github.com/dfinity/ic/pull/9005))
+* [`f57b1526a`](https://github.com/dfinity/ic/commit/f57b1526a) DSM: run xnet slo tests on performance hosts ([#8998](https://github.com/dfinity/ic/pull/8998))
+* [`663ec4151`](https://github.com/dfinity/ic/commit/663ec4151) DSM: colocate the //rs/tests/message_routing/xnet:xnet_slo tests ([#8996](https://github.com/dfinity/ic/pull/8996))