This was reported to the PG bugs list:
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On Thu, Oct 24, 2019 at 07:25:50AM +0000, PG Bug reporting form wrote:
> The following bug has been logged on the website:
>
> Bug reference: 16075
> Logged by: Liu Linhuai
> Email address: liulinhuai@yahoo.com
> PostgreSQL version: 12.0
> Operating system: macOS
> Description:
>
> Hi, I am using MacBook Pro and Google Chrome to visit
> https://www.postgresql.org, the favicon on the browser's title look really
> bad. I hope it's updated for a high-resolution version.
>
--
Bruce Momjian <bruce@momjian.us> http://momjian.us
EnterpriseDB http://enterprisedb.com
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