Sandbox: https://codesandbox.io/s/cranky-kapitsa-op3jh

Repro: type "a" and then after a second "b"

Expected: Eventually you'll see "ab" in all fields. Pending "..." indicator goes away.

Actual: You'll keep seeing "a" in low pri field. Pending "..." indicator is stuck.
newBaseQueueLast = newBaseQueueLast.next = clone;
        }
        
        if (updateExpirationTime > currentlyRenderingFiber.expirationTime) {
          currentlyRenderingFiber.expirationTime = updateExpirationTime;
          markUnprocessedUpdateTime(updateExpirationTime);
        }
      } else {
        
        if (newBaseQueueLast !== null) {
          const clone: Update<S, A> = {
            expirationTime: Sync, 
            suspenseConfig: update.suspenseConfig,
            action: update.action,
            eagerReducer: update.eagerReducer,
            eagerState: update.eagerState,
            next: (null: any),
          };
          newBaseQueueLast = newBaseQueueLast.next = clone;
        }
        
        
        
        
        
        
        markRenderEventTimeAndConfig(
          updateExpirationTime,
          update.suspenseConfig,
        );