#13111 bf46fe0 Thanks @RogerHYang! - Fix createFetchMultipartSubscription to support cancellation via AbortController
Previously, calling dispose() or unsubscribe() on a subscription created by createFetchMultipartSubscription had no effect - the underlying fetch request would continue running until completion. This was because no AbortController was created or passed to fetch(), and no cleanup function was returned from the Observable.
Fetched April 11, 2026