The new alerts have been incorporated in the Canary and Developer channels, and if all goes well they will end up in Beta and, ultimately, in the Stable version.
The fire engine red background, and the simplified and more direct warning text is likely to make users take the warnings more seriously than the current ones:
The warning pages are shown when users try to visit malicious sites, a constantly updated blacklist of which is maintained by the Google Safe Browsing service.
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