Keep the vital capital manifest v2 at all costs otherwise we will no be able to download videos from thousands of sites!

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drimisone
帖子: 26
注册时间: 2025年 1月 17日 21:20

Keep the vital capital manifest v2 at all costs otherwise we will no be able to download videos from thousands of sites!

帖子 drimisone »

Hi,thank you for the new awesome version of Catsxp ! 💯

So Mr Helloyanis recently rewrote the code of Live stream downloader extension from the stratch to add a new design, new features and options....:

https://github.com/helloyanis/media-dow ... -unleashed

but his new version is only compatible with firefox, when I asked him to add chrome support, here is his answer:

"I don't think it will be possible with the way I implement it.

Firefox allows you to use the webRequest API, so the add-on can read the requests, the server response and dynamically replay them when downloading media.

Chrome has deprecated this in favor for the declarativeNetRequest, which allows you to declare rules in your application. So it would mean I would have to specify rules manually for every streaming service in existence to get the headers used with the request which is impossible. And even if I had a team of thousands of people doing this, you can't even modify the request headers with declarativeNetRequest.

https://developer.chrome.com/docs/exten ... dification

https://developer.mozilla.org/en-US/doc ... equest_api

I do use manifest v3! However, Firefox has an implementation which does not deprecate the webRequest API, allowing ad-blockers and many other extensions to retain full functionality. The declarativeNetRequest API is good for privacy when making a browser extension work for a few sites, but it severely limits its ability to work on a large scale."




So I discover with horror that the DeclarativeNetRequest manifest v3 is an absolute disaster that not only destroys ad blockers but also destroys the ability to easily detect videos from thousands of sites and makes video downloader extensions much weaker, according to Mr. Helloyanis. I also discover that a manifest v3 extension can use manifest v2, essential for easily detecting videos out of the box from thousands of sites.


so we hope please our beloved Catsxp browser will contine to keep vital capital manifest v2 for video downloading, essential for video downloader extensions, and will continue to be supported in our beloved Catsxp for Windows 7/10/11 and i think this feat will make Catsxp even more unique int he world and even more powerful , thanks :)


user Catsxp manifest v2 is vital for me and many others, because even if Firefox keeps the v2 manfest, Firefox refuses to display temporary HLS video while downloading while Supermium displays temporary video while downloading. I need this to play temporary video with PotPlayer while downloading because my Wi-Fi is weak, my CPU is weak...
Moreover, Firefox refuses to provide the essential API for extension managers. I need an extension manager to easily enable/disable heavy video downloaders..... Firefox is useless for me even if Firefox has v2 manfest....
However, I can install extension managers in Catsxp, like:

https://github.com/hankxdev/one-click-e ... ns-manager
https://momane.com/
https://github.com/fregante/one-click-e ... ns-manager

https://github.com/rNeomy/addon-manager
https://add0n.com/addon-manager.html

SimpleExtManager
https://blandlifedev.blogspot.com/

Extension Manager with Profiles
https://github.com/rNeomy/addon-manager

https://github.com/sergiokas/Extensity
https://sergiokas.github.io/Extensity/

https://github.com/AInoob/NooBoss





So Sadly Chromium browsers that continue to support manifest v2 are almost impossible to find nowadays:

there is of course our awesome Catsxp browser,

and


the press reports that Microsoft Edge browser (beta version ?) recently has disabled Manifest v2 extensions.....

I also recently discovered that there is a special version specifically compatible with Windows 10/11 of Supermium browser, which affirms that it will continue to support Manifest v2 even after July 2025 and the end of Chrome Enterprise.....

Brave is not very assertive about the possibility of keeping manifest v2 for a long time, brave says they will keep manfest v2 as much as possible.....


so our hope is in Catsxp team, thank you :)
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catsxp
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帖子: 3581
注册时间: 2022年 12月 26日 17:41

Re: Keep the vital capital manifest v2 at all costs otherwise we will no be able to download videos from thousands of si

帖子 catsxp »

It depends on the cost and difficulty of post maintenance! If the cost is too high, then we can only give up
drimisone
帖子: 26
注册时间: 2025年 1月 17日 21:20

Re: Keep the vital capital manifest v2 at all costs otherwise we will no be able to download videos from thousands of si

帖子 drimisone »

Great, thanks!

According to my informations, Supermum, which is open source, is determined to maintain Manifest v2 in order that Ublock Origin manifest v2 extension remains effective....

Perhaps in the future, if Supermium manages to maintain Manifest v2, we hope please consider a special open source version of Catsxp based on Supermium's Manifest v2 code.

because I don't think the Supermium developer will refuse, and maybe our beloved Catsxp can even consider a fruitful collaboration with Supermium beneficial to both browsers to maintain this special Manifest v2 version unique in the world, i mean Manifest v2 of Chromium LTS (only two versions of Chromium LTS to maintain for a year).

This could change the world because Ublock Origin is environmentally friendly and saves battery life, energy, money, protect from virus malwares, nasty ads , phishing..... and Manifest v2 is essential for video downloader extensions to support thousands of sites out of the box.....

Yes, there is Firefox Manifest v2, but the number of Firefox users has plummeted, and some governments are making their incompatible state sites inaccessible with Firefox!
redfox
帖子: 52
注册时间: 2023年 10月 26日 21:15
来自: Czech Republic

Re: Keep the vital capital manifest v2 at all costs otherwise we will no be able to download videos from thousands of si

帖子 redfox »

Supermium also fully supports Widevine CDM/DRM decoding...

But, Catsxp is better in other ways. My opinion.
drimisone
帖子: 26
注册时间: 2025年 1月 17日 21:20

Re: Keep the vital capital manifest v2 at all costs otherwise we will no be able to download videos from thousands of si

帖子 drimisone »

Mr @Catsxp : good news !


I'm discovering Foxified, a rare emulator extension that allows us to install Firefox extensions in Catsxp :

https://foxified.org/

Mr. Helloyanis, a developer of Live Stream Downloader fork, explained to me, the video downloader extension is more powerful in Firefox than in Chrome because Firefox doesn't deprecate the WebRequest API. However, Chrome uses the declarative NetRequest API, which is good for privacy when making a browser extension designed to work for a few sites, but it severely limits its ability to work on a large scale...

So, Chrome has destroyed the ability for video downloaders to be very powerful, but I have an idea: our beloved Catsxp browser continue to support Manifest v2 !

So my idea is to use the Foxified emulator extension to install the Firefox version of Cat Catch in a Catsxp browser that supports Manifest v2 :

because video downloaders are more powerful in Firefox than in Chrome , I don't like using the Chrome version if it limits the extension's power, so I'm considering uninstalling the Chrome version of video downloader to install the Firefox version in Catsxp with the Foxified emulator, that's why it is important for us that our beloved Catsxp continue to keep manfest v2 as long as possible , Thanks a lot :)

https://foxified.org/

Let's remind that Mr. Helloyanis explained this to me:

"I do use manifest v3! However, Firefox has an implementation that does not deprecate the WebRequest API, allowing ad-blockers and many other extensions to retain full functionality. The declarative WebRequest API is good for privacy when making a browser extension designed to work for a few sites, but it severely limits its ability to work on a large scale."
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catsxp
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注册时间: 2022年 12月 26日 17:41

Re: Keep the vital capital manifest v2 at all costs otherwise we will no be able to download videos from thousands of si

帖子 catsxp »

redfox 写了: 2025年 3月 21日 01:44 Supermium also fully supports Widevine CDM/DRM decoding...

But, Catsxp is better in other ways. My opinion.
Widevine CDM/DRM decoding
Need to crack widevinecdm.dll
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