Hi ONG,
We have prepared a sample with progressbar and animation duration of 1000 ms and it is working fine. Unfortunately we are unable to reproduce the reported scenario in the latest version 18.4.49. We have also attached the sample used for testing and screenshot for your reference.
If you still face this issue. kindly revert us with the following information which will be more helpful for further analysis and provide you the solution sooner.
1. Try to reproduce the reported scenario in the provided sample. (or)
2. Share the runnable project.
Regards,
Srihari M