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Page "about:" removed in Firefox 59?

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  • Last reply by TyDraniu

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For many years, opening "about:" (without quotes, of course) URL in Firefox displayed a page with logo, version, user-agent, etc. But after upgrading from 58.0.2 to 59.0.2, I get an "Invalid URL" error when trying to open this page. Is this some bug or it was intentionally removed?

PS: about:mozilla, about:robots, etc work fine, problem only with about:

For many years, opening "about:" (without quotes, of course) URL in Firefox displayed a page with logo, version, user-agent, etc. But after upgrading from 58.0.2 to 59.0.2, I get an "Invalid URL" error when trying to open this page. Is this some bug or it was intentionally removed? PS: about:mozilla, about:robots, etc work fine, problem only with about:

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