New Features

• Implemented a public API for Yieldables, a new way to instrument TaskInstances by providing a safe mechanism to implement custom waiters, hooks, introspection, and other operations from application code. (#413)

Read more about Yieldables in the ember-concurrency docs

Bugfixes

• Avoid applying task state updates out of order (#423, #426, fixes #422)

Docs

• [docs] Document that @lastValue does not support chained property access (#429)