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As a long-time SVP user since its early days, I honestly can't imagine watching videos without it, and I am incredibly grateful to the developers for their work. That said, as I’ve mentioned here before, our different setups and personal experiences naturally lead to diverse opinions which, at the end of the day, don't really help much.

> A version can have identical math performance but be fundamentally broken in stability, or introduce visual artifacts that completely ruin the output.

My previous example definitely pushed things to the extreme to make a point.

so, do you think that Vapoursynth R73 is "fundamentally broken in stability, or introduce visual artifacts that completely ruin the output", while R80 fixed this? really?
Nobody is saying R73 is broken. It isn't broken; it's just that the software naturally evolves.

Chainik
and given the "picture quality", "R31" and R79 are identical

Again no , claiming the output quality is "identical" ignores massive under-the-hood upgrades, bug fixes, and compatibility rewrites that directly impact final visual fidelity.
1. Enhanced Precision and Native Color Format Support
2. Resolution of Core Precision and Rounding Bugs
3. Deep Integration with Modern AI/ML Filters
4. Frame Accuracy and Temporal Stability

IF there're no "fundamentally broken in stability, or introduce visual artifacts that completely ruin the output" then I personally don't see any reason for running for the latest versions of everything
Software evolution isn't limited to avoiding critical failures, but rather aims for continuous excellence. Any improvement in visual fidelity or general stability justifies the update

Very funny! But as I’ve stated many times, I prefer to keep all my components updated unless it breaks something. If that’s really your way of thinking, why do you keep updating it every now and then anyway? And in such a lazy manner. Do you honestly, truly believe that every single VapourSynth version works exactly the same? Because if that’s your brilliant logic, why didn't you just freeze the whole thing at r31 and call it a day.

Hi @flowreen91,

Since you mentioned that Vapoursynth R79 is the newest version SVP can use, could you share how exactly you got R79 to work with SVP?
I'm trying to test it myself, but MPC-HC crashes instantly as soon as I try to use R79.
Any quick steps or guidance on how you set up your test environment with R79 would be greatly appreciated. Thanks!

I am having an issue trying to use the new VapourSynth R78 candidate release with SVP.Previously, when testing versions (like up to R77), I would simply replace the vapoursynth.dll file as usual, and everything worked perfectly. However, after doing the exact same thing with the new R78 DLL, my video player just  closes instantly whenever I try to open a video.If I revert back to the R77 DLL, the player works normal again.(any player)

I know that R78 introduced a breaking change or an API update that causes SVP or the player script to crash.
Does anyone know a way to make R78 work with SVP manually, and what exactly do I need to change? Is there another file or configuration I need to modify.

Thanks in advance for any help!

I’m aware of the standard installation process may brake things , my approach is to simply swap the core files for R74 or R75rc1 to test them immediately. It’s a bit ironic: when new versions like R70 through R73 were first discussed, the consensus was that there were no 'major advantages.' However, as soon as they were officially released by the SVP team, everyone praised their quality. I'd rather validate the improvements firsthand than wait for the official release

Yes, that's what I thought, I'm not saying it's related to VRR, but it does activate the mode on the TV. The only problem is that to recreate this with the  other files I have to manually change the filter to the ones on Github. Can you think of a way to make the filter work with both in the same way?

Honest question , Do you mean every version use this math in the exact way? Because I test 10 movies of my collection  and look better than before.

I always speak on what i see, never in technical aspect that not know. and maybe before I broke something for manual changes i made.
but after replace the files the playback was different and I prefer so.

So tell me why Svp installer dont use and R64 version.

Hi  someone are updated to  Vapoursynth R71 https://github.com/vapoursynth/vapoursynth/releases, before Chainik roll the update of R70 i got it work by myself , but i cant remember how I did it.

I will like to test  the R71, so if anyone have some advice to make it work i really appreciated the reply.

If Chainik could rollout an update via maintenance application even better

The problem its that something broke/change or missing in your installation, its not how Rife behave. Like noctis4329 and RickyAstle98 mentioned, the cmd its a normal action and take 1 minute then save and play , next time for that same resolution its not triggered

And for many of us , not using Rife isn't a option.

Thanks RickyAstle98/flowreen91  for your recommendations. Its none of that, the app capture fine the frames , enable Draw FPS its the first I do at the start of testing and its ok.

Close overlays like Steam, Discord, NVIDIA,  I never test something with overlays open!

I don't use Mpv, don't liked

The source problem, as I mentioned its hardware related, I think the tv accept better via Gsync compatible and VRR the 72fps or 96 fps of rife x3 and x4, the settings of the picture giving by RickyAstle98 give similar result but still  I prefer  Rife x3 /x4

I'm using windows 11 24h2 , mpcvr testing version, not the vapoursynth of svp, many variables to tweak and try

But again thanks both, I really enjoy testing others option to improve my viewing experience, and some many time through time rewatching movies or clip  I remember how we started and how far we've come today.

Many time thanks to this thread