Google Chrome adds Protection against Meltdown and Spectre
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JamesSneed
Love the mute tab idea.

Robbo9999

BlackZero
I was wondering the same thing, as the message in the setting reads the feature is highly experimental and could in fact compromise security (?), and I've recently had trouble logging into some sites.
I've decided to disable it for now, as the new update is obviously already meant to take care of the issue.

RealNC

Robbo9999
http://www.chromium.org/Home/chromium-security/site-isolation
You won't compromise security by enabling it - security is increased by enabling it. Because it's experimental it has a few bugs in some rare cases, the bugs are shown at the above link too, the bugs aren't security related. Here's the list of bugs I copied & pasted from the link above:
Higher memory use (about 10-20% when isolating all sites with many tabs open).
This overhead can be greatly reduced by only isolating certain sites, as noted below, and is expected to drop to about 10% in the heaviest cases in Chrome 64.
When printing a page, cross-site iframes appear blank.
To print the complete web page content, save the page locally, then open and print the saved file.
In some cases, clicking or scrolling on cross-site iframes may not work properly.
For example, this can happen when there is a partly transparent overlay above an iframe. (This is fixed in Chrome 65.)
When using the "Isolating all sites" approach below, Gmail may not load properly if started from the Gmail icon on chrome://apps.
To work around this, visit https://mail.google.com rather than using the Gmail icon on chrome://apps. (This is fixed in Chrome 64.)
Gmail Offline, Calendar Offline, and some other hosted apps may not work properly. (This is fixed in Chrome 64.)
[and this is me typing now] I think it's worth leaving enabling Site Isolation, it goes above & beyond the Spectre/Meltdown fix.
I did some research just now and found the official in depth description of Strict Site Isolation from the people who developed the software: 
BlackZero
Thanks for the explanation.
I think i'll just leave it disabled. With all the logging in issues I've had, it's more hassle than it's worth on a home PC.

tsunami231
FF added protection to this like week or so ago, why did they not get headlines news too, what so special about chrome??? XD

lucidus
I hope they add protection from miners too :P

TheDeeGee
But running miners on YT is fine...
https://beebom.com/youtube-ads-affected-malicious-cryptocurrency-mining-scripts/

nick0323
Edge got protection in the first rushed Windows Update after Spectre. No announcements there.

xIcarus

OddGentleman

xIcarus

RealNC