tunepunk personally i am not seeing the jank in canary, so I believe there were some issues in 69 which they have already addressed by the chrome team. What sort of jank are you getting in canary on the surface pro?
Just to note Im not saying people are not getting jank and I am only looking at windows desktop performance on surface pro myself. (i definitely do see the odd jank when previewing, always a few times when first running, and if the surface pro is updating in the background or performing any other CPU intensive tasks) But Jank has really not been an issue for a long time for me and my current project is really pushing the surface pro to the max.
However I do feel what you are saying, certainly last year there were some dark janking times and it is possble the jank is still lurking in the shadows. I’m sure I started a few threads myself. And sure janking really destroys any enthusiasm for game development on this platform.
Also just to add that there are a couple of other things that need to be thrown into the mix if you are looking for influencing factors.
- Previewing from Construct 3 is always worse performance than when hosted or wrapped.
- I believe that operating systems are prioritising most tasks above whatever the browsers are wanting to do. This means jank and FPS drop anytime something else needs to be done. So moving a mouse on a maxed out system may give you jank. Combine this with sites like facebook which are continually scanning and mining your files eating up resources, or an obtrusive security application like Kaspersky then you have a sure recipe for performance issues. This is clear to me as when I make an exe/nwjs (which should be the same performance) the performance is very perceptively better than running in the browser. So once the operating sees an actual application running it appears to prioritise its execution.
- Modern tablets and laptops have very aggressive CPU management once they are unplugged. I see this on the surface pros. Even if I select all the maximum performance options for when unplugged it will never perform as good as when it is plugged in. There are features that are out of user control at work there.
Anyway hope you sort. I am happy to do serious surface pro 4 comparisons/investigations if you think it might help as they should perform identically.