Mouse sluggish in Vivaldi with Radeon RX 9070 XT
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@rejzor You may want to check if you are using the newest driver for the card, just in case. Chromium maintain a list of known "bad" GPUs and drivers.
I don't see anything specific in those files that seem to involve your card, even recently.
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@yngve I am using the latest drivers. Before I used latest WHQL ones and now their "optional" drivers that are still official from AMD. Both have same issue.
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@yngve The list override worked, until Vivaldi updated recently. Now it's all laggy and useless with or without override. Yeah, I guess I'm done with Vivaldi until this BS gets fixed. Which will apparently be... never.
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@rejzor I am pretty sure the problem isn't Vivaldi (and for reference, I see nothing relevant in the most recent minor update).
I suspect it is a driver issue, and possibly that the driver target the newest Chrome version (which changed to 135 last week; Vivaldi is still on 134, until we get 136 ready) specifically.
We are aware that some drivers change configuration ("optimizing it") depending on which application (name) is used for the process (in fact, one of our "hacks" on Win x64 (not Win 32/x86) targets that behavior).
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@yngve Firefox has no issues, Opera had no issues, I haven't tried Chrome because I don't want to install Google's spyware garbage on my system. But I guess it's a driver issue...
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@rejzor Firefox has a different design and engine, no comparison is possible.
I don't know which Chromium version current Opera is on. It is probably at least 134, but it could be 135.
There are, as I think was mentioned above, a number of settings related to GPUs, any of which may be relevant to your case. (E.g. we know that the animation flag causes problems with a specific advanced NVidia GPU feature.)
You might also want to make sure that your shortcut is still as it was earlier. Perhaps it got replaced?
As I said, it is almost certainly a driver issue, and the vendors may test with "selected versions" of "selected applications".
Vivaldi is based on Chromium, but that has actually not prevented at least one GPU vendor from increasing performance for one or two selected Chromium-based browsers (guess which ones), and not others. (In fact, according to one Chromium-based browser vendor, a mouse vendor played the same games some years ago with their driver).
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@yngve At the end of the day as an user, I honestly don't care whose "problem" it is. I just know the browser is literally unusable because mouse feels so horrible in it like I'm running at 30 Hz or something and my display is 240 Hz.
What's more annoying is that overriding the list doesn't work anymore since the Vivaldi update from few days ago. At this point it's just pointless to even bother trying to use it because it seems I'll just be shunned around by Vivaldi, by Google and by whatever GPU maker I'm using, everyone just pointing at someone else to be the problem. Like I said, I DON'T CARE. That's up to devs to fix things as you probably have better connections and contacts than I do and the way RX 9070's are selling, I soon won't be the only one with the problem. Unless everyone is using 60 Hz displays and they are just used to mouse feeling like ass during motion.
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@rejzor It would be interesting to know what happens if you install the previous version of Vivaldi that you used (and did not identify, but I assume it was 7.3.3635.7) as a standalone, and used the same configuration and workaround.
My guess is that the older version will also break now, probably because your Graphics driver was updated at almost the same time (keep in mind that Windows Update Patch Tuesday happened this week, and it have been known to update graphics drivers; that was how I got infected by "zombies" last year, see link above).
Chromium GPU code/compatibility changes, except major regression bug fixes, are not updated except when there is a new major Chromium version in Vivaldi, so unless you went directly from 7.1 (Chromium 132) to 7.3 (Chromium 134), there should have been no GPU code or compatibility changes, and there were none in the past week AFAICT, for the Wednesday update. IOW, all 7.2 and 7.3 Windows versions of Vivaldi should behave the same, absent external changes (such as new drivers).
My suggestion is that you report this issue to the GPU vendor in their bug report system or forums.
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I'm just gonna use Firefox like I have for years and uninstall Vivaldi.
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Issue still present with Vivaldi 7.3.3635.11...
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@yngve Okay, I did something and the results are even more bizarre than before.
I've just updated to latest Vivaldi 7.3 version that was released today apparently. Issue remained. So I decided to download the latest version of Vivaldi 7.2 and installed it somewhere else as Standalone version just for testing purposes. Vivaldi 7.2 didn't have this mouse issue. You know what's the most bizarre part? Now Vivaldi 7.3 doesn't have the issue anymore either.
How on earth is that possible that stand alone version somehow affects the permanently installed one in totally separate locations?
EDIT:
Nevermind, thought I should reboot system just to be sure and now both, v7.3 and v7.2 have this problem. I just give up. This is ridiculous. -
You bought yourself a whole lot of problems when getting an AMD card.
