Zoom to mouse on timeline (Alt + Scroll) Broken
In Windows 10, the Alt + Scroll functionality is broken. Depending on your display scale settings (100%, 150% etc) Premiere won't register the proper position of your mouse and will scroll to a completely different part of the timeline.
I'm using a 4K Monitor which is scaled to 150% so that text isn't super tiny. Premiere doesn't like this. It will only work properly if your scale settings are set to 100% and you restart your system. If your system boots with a default setting of anything other than 100%, it breaks. It just seems like it's not taking into account any scale settings after boot.

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TaranVH commented
and here is a very similar issue:
https://adobe-video.uservoice.com/forums/911233-premiere-pro/suggestions/36137398-fix-timeline-bugs-caused-by-windows-display-scalin -
Elmo Allén commented
I'm unhappy to report that in the version 13.0, this problem _still_exists_. How about putting it upper in priority, so that _very_basic_editing_functionality_, zooming on a timeline, would work in HiDPI modes as intended?
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Anonymous commented
i have this BUG too :(
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Ann commented
Yes this is definitive broken.
I too am on a 4K monitor. -
Philipp Hartinger commented
I also get Pretty strange window sizes for new windows popping up like export dialogue or folders in the project window. Working on 300% scaling on my Surface book 2 15".
I'm getting really frustrated of all the really bad optimized Adobe apps . -
Elmo Allén commented
Same here. Using 200% scaling. Very, very annoying. As a "workaround" I've learned to zoom in to the very left side of the timeline, and zoom out in the right side. But still annoying and requires me to thumb-scroll to the correct time. (Thankfully, I have a mouse with a thumb wheel.)
In After Effects the timeline zooming works perfectly. I bet this wouldn't require much effort to correct in the code, just some coordinate translation.
So frustrating. This is very basic functionality and usability. How in the world have they even tested HiDPI support, if this bug has got through?
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Anonymous commented
this has been broken for about 4 years....I really think it is time to put hands on it please.
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TaranVH commented
I found another forum thread:
https://forums.adobe.com/message/9728067and uservoice discussion, which should be merged with this one.
https://adobe-video.uservoice.com/forums/911233-premiere-pro/suggestions/33840025-fix-alt-scroll-zooming-on-windows-machines-with-di -
TaranVH commented
There is a solution for this one, but you might not like it.
It has to do with Windows' UI scaling.
https://forums.adobe.com/message/10091784#10091784This is unique ID 108 and 109 in my problem tracker spreadsheet:
https://docs.google.com/spreadsheets/d/1dVJb7kI_ZETLavrplfARgn9gL8HUpvkq6A0jCPxqA3w/edit#gid=1133868629 -
Oliver Quixley commented
Ugh I just discovered this issue moving from CC 2014 to the latest update, really ******* hate it because it drastically cuts down the speed and fluidity of editing.
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Markus Uhl commented
This is so freaking annoying!! As Tim says it's broken for some time now, in After Effects it is working though. Why oh why??
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Tim K commented
This has been broken for so many releases now. Would really like to see them put time in to fix this before the next release