SERVER-46558 Bgsync stops all index builds even before transitioning to rollback state and causes secondary replication to hang

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• Closed

SERVER-46560 Make Abort index build logic deterministic.

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• Closed

SERVER-46659 Make initial sync work with two phase index builds + commit quorum on

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• Closed

SERVER-46658 Implement commit quorum option "all"

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• Closed

SERVER-46594 Enable commit quorum for concurrency suites.

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• Closed