Neesh wrote:
Graphic driver on EL Capitan is not as powerful as previous OS Yosemite. Premiere Pro CS6 used to work flawless on Yosemite. It hangs up and creates a delay in user action in Premiere Pro under EL Capitan. When scrolling in the timeline, the timeline bar keeps running in random direction and is not precise to where the mouse is. Kindly release respective updates for fixing this bug.
This is a user forum, you are talking to other users like yourself, not to Apple or the maker of your GPU - which is, by the way, you neglected to specify in your post.
When posting you should give specific information - in this case, the model of your mac, and particularly which GPU it uses.
Some macs have discrete GPU by NVIDIA or AMD, some have only the integrated GPU by Intel.
If your GPU is by NVIDIA you may want to go to their site and update the CUDA driver. That may help, since, AFAIK, Premiere would take advantage of CUDA.
You can find out which GPU your mac uses by going to the Apple menu, choosing About this Mac, and then clicking on "Displays".
Here is what it shows in my mac:
