Tab Stack scrolling bug
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New with version 1.15.1147.36 (Mac)
When I create a tab stack, and then view the stack tiled side by side, the page in the left pane scrolls past where it should (both above the page content and below). Refreshing the page keep same buggy behavior. Removing problem tab from tab stack keeps same buggy behavior. Opening the same url in a brand new tab has no problems.
Steps to Reproduce
- open two tabs with whatever web pages in each.
- create a tab stack with them.
- Use the "page tiling" button in the status bar to create two side by side panes.
- vertically scroll the page in the left window forever in either direction.
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@jakepaint I can confirm this.
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@jakepaint That's strange. I can't reproduce this, but it might be because I'm still running El Capitan. Did you file a bug report at https://vivaldi.com/bugreport/ ?
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@jakepaint Thanks very much! We'll look into this.
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@xyzzy I'm running El Capitan too, maybe it isn't dependent on operating system version.
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@luetage It's also entirely possible that I could be doing something wrong.
I added a note to the bug that you were able to confirm it along with a link to the original post, just to make sure that it doesn't get closed too quickly if another tester cannot initially reproduce it internally.
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@jakepaint If you have any additional information to add, simply reply to your bug confirmation email. You can attach files, provide links, or clarify your steps-to-reproduce should you find a more consistent way to reproduce an intermittent bug.
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It can also happen without tiling. I remember having seen this before and I got it again.
This is the bug on an untiled vivaldi forum page. It doesn't go away with reloading, you have to actually close the tab and open in a new tab to fix. It endlessly scrolls on top and bottom. And it has nothing to do with the forum mod running, I can disable and reload and the bug is still there.
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@luetage I was able to trigger a bit of a glitch while scrolling with a Magic Mouse and clicking while the scroll effect was "rubber banding" at the bottom of the page.
I might also not be the best person to test this. The last time we had HORRIBLE (for some) scrolling problems on macOS, it was just a minor annoyance (slightly laggy scrolling) for me.
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@jakepaint Thanks. Since this may be a hardware-specific issue, what model of Mac are you using?
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@jakepaint That's your operating system version, not your hardware.
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@jakepaint Thanks. That's exactly what I was asking for.
(...and to explain why: some bugs, for example, only trigger on HiDPI systems.)
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FYI, an update... despite our best efforts, so far we have not been able to reproduce this issue internally. Several people have tried, with both our day-to-day Vivaldi installs as well as with a clean install (no extensions, default settings, default flags) with the latest Stable and Snapshot builds.
I've tried with and without hardware acceleration enabled. I've also tried enabling Smooth Scrolling... which should have no effect on macOS, but still.
I'm not sure what could be triggering this. I'm also still searching through Chromium bugs, past and present.
Does this happen on all sites or only on some? Can you reproduce this with extensions disabled or with a clean install in a test account?
Is anyone else able to confirm this scrolling glitch?
Thanks very much for any additional information that any of you are able to provide.
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@jakepaint Did you also install Logitech mouse driver software on your system? There have been some known interoperability issues (pertaining to scrolling) with Google Chrome on macOS. Chrome and Vivaldi are both based on the same browser engine, and there may be additional interoperability issues with Vivaldi.
The support article also points to a Logitech Smooth Scrolling Extension for Chrome but I don't know what impact this would have on macOS or if it is even compatible with Vivaldi.
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@jakepaint FYI, I've also tried to reproduce the problem with three different (non-Apple) USB wheel mice. No issues, but I'm also still using the stock Apple mouse drivers.
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@xyzzy The article is about mice connected with bluetooth. It's very narrow. I used to have jumpy scrolling too with an infrared connected microsoft mouse. I always thought it's Vivaldi's fault, but turns out the damn scroll wheel on the mouse was faulty. I bought another infrared (non microsoft) mouse and all is fine now.
@jakepaint Haven't been able to reproduce the problems mentioned in OP on any 1.16 version. Don't think this was dependent on mouse though, if I recall correctly I got it with trackpad too.
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@luetage I'm not familiar with the hardware so I apologize if I pointed to the wrong support article. 3rd-party software/drivers however do complicate things because the problem might not be in Vivaldi or Chromium but with Logitech.
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@jakepaint Thanks very much. I'll do some more digging to see if I can help find a solution. My only immediate suggestion is to check the Logitech support site for any software/driver updates for your mouse.
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