Does this stop me from adding to my website an iframe to facebook where facebook can keep its cookies for my user? That would be great but I doubt it.
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IIRC an iframe contents is treated as a separate window, so cookies aren’t shared either
Sure, but the separate window can be on a different domain. Now you have a way to share cookies across multiple websites on different domains if all of them include an iframe to this external domain. And you can use in-browser messages (see window.postMessage()) to communicate between iframes and main window.
I haven't worked with HTML since 1999; I hate that I'm just now finding out that iframes are somehow still a thing in the modern world. What the actual fuck. Why? Don't we have some fancy HTML5 or Ajax or something that can replace them?
Yeah i don't know why, probably exactly because is such a neglected feature that it offers workarounds for some limitations, like in the case of cookie-related patterns.
They call it TCP. All we need now is IP, and we'll be set lol
Nah math is bad for internet.
Maybe they should try to develop the uBlock Origin extension with the dev to make it last more.
Does making it the default also set it on my already-downloaded Firefox or only to new downloads? Just to know if I'll have to manually set it.
It very probably wont change your settings for you. That would be super annoying if it changed things you set on purpose.