Скачет прогресс аплоада сэмпла

Created by: ZzDmitry

Аплоадим сэмпл, смотрим на экшны FILE_UPLOAD_CHANGE_PROGRESS. Наблюдаем:

action Object {type: "FILE_UPLOAD_CHANGE_PROGRESS", progressValue: 0, progressStatus: "ajax", id: 2}
action Object {type: "FILE_UPLOAD_CHANGE_PROGRESS", progressValue: 100, progressStatus: "ajax", id: 2}
action Object {type: "FILE_UPLOAD_CHANGE_PROGRESS", progressValue: undefined, progressStatus: "ajax", id: 2}
action Object {type: "FILE_UPLOAD_CHANGE_PROGRESS", progressValue: 7, progressStatus: "task_running", id: 2}
action Object {type: "FILE_UPLOAD_CHANGE_PROGRESS", progressValue: 70, progressStatus: "task_running", id: 2}
action Object {type: "FILE_UPLOAD_CHANGE_PROGRESS", progressValue: 75, progressStatus: "task_running", id: 2}
action Object {type: "FILE_UPLOAD_CHANGE_PROGRESS", progressValue: 7, progressStatus: "task_running", id: 2}
action Object {type: "FILE_UPLOAD_CHANGE_PROGRESS", progressValue: 81, progressStatus: "task_running", id: 2}
action Object {type: "FILE_UPLOAD_CHANGE_PROGRESS", progressValue: 88, progressStatus: "task_running", id: 2}
action Object {type: "FILE_UPLOAD_CHANGE_PROGRESS", progressValue: 91, progressStatus: "task_running", id: 2}
action Object {type: "FILE_UPLOAD_CHANGE_PROGRESS", progressValue: 91, progressStatus: "task_running", id: 2}
action Object {type: "FILE_UPLOAD_CHANGE_PROGRESS", progressValue: 89, progressStatus: "task_running", id: 2}
action Object {type: "FILE_UPLOAD_CHANGE_PROGRESS", progressValue: 100, progressStatus: "task_running", id: 2}
action Object {type: "FILE_UPLOAD_CHANGE_PROGRESS", progressValue: 100, progressStatus: "ready", id: 2}

Три странности progressValue: undefined и 7 между 75 и 81 и 89 между 91 и 100.