Though there are almost no bugs in the latest stable release (29.1), there is still an old issue needing to be fixed. The notification of "downloading" in the status bar is clearable. In other browsers, only "downloaded" can be cleared, but not for "downloading". This is not a bug, but will be an improvement of user experience!
ps. I am a newbie here. If I violate the rules of posting a thread, please tell me, thank you!
Can be an improvement for Play Store also.