* Initial implementation

* Fix in-memory-backend history ordering, rewind check

* Match other rewind implementations better

* Lint + pylance

* Lint

* PR Feedback

* Add DTS tests

* Skip DTS E2E rewind tests until available

* Add warning

* Add more tests, fix in-memory backend bug

* Restore PROTO_SOURCE_COMMIT_HASH

* Remove duplicate test

* Add RewindInstance to _SyncTaskHubSidecarServiceStub protocol for pyright

* Address PR review feedback; enable DTS rewind e2e tests

- Add async rewind_orchestration parity on AsyncTaskHubGrpcClient

- in-memory backend: stamp ExecutionRewound with current time; avoid duplicate executionRewound on post-rewind replay

- worker: fix rewind comments, guard parentInstance, drop dead sub-orchestration branch

- tests: free-port fixture, clarify docstrings, un-skip DTS rewind e2e (emulator now supports RewindInstance)

- azuremanaged CHANGELOG entry

* Clarify rewind jump-start comment (PR review nit)

…174)

* Apply durabletask fixes surfaced during Azure Functions investigation

* Fix when_all to wait for all tasks before surfacing failures

when_all previously failed fast on the first child task failure. It now waits for every child task to complete before surfacing the first failure, matching the semantics of .NET's Task.WhenAll.

* Fix is_failed guard by storing exception

* Constructor ordering to prevent AttributeError

* Update CHANGELOG.md

Copilot-Session: 282b8096-753c-41be-928d-2b53604825d3

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Bump durabletask and durabletask.azuremanaged to 1.8.0, update the azuremanaged dependency floors, and move Unreleased changelog entries into a v1.8.0 section for both packages.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot-Session: ebc438fa-ef0b-4c2e-96fd-646d8ed0b6b7