This release fixes unexpected behaviors when we are cancelling a batch that has continuations for its inner items as in the following sample. When those continuations have continuations themselves, or when we attaching a job with continuation to a cancelled batch, our leaf-level continuations stuck in the awaiting or non-initialized state until queued manually.

Sounds a bit crazy, but here’s an example:

var batchId = BatchJob.StartNew(batch => { batch.Enqueue(() => LongRunning()); });

string jobId = null;

BatchJob.AwaitBatch(batchId, batch => { jobId = batch.Enqueue(() => LongRunning()); });

// This batch will be always in the awaiting state before the fix
BatchJob.AwaitJob(jobId, batch => batch.Enqueue(() => LongRunning())); 

BatchJob.Cancel(batchId);

• Fixed – Continuation stuck in a non-initialized state, when parent batch of antecedent item is canceled.
• Fixed – Leaks in the Set table when cancelling a batch that has continuations for its jobs.