You can buy extended security updates, if you are using a Microsoft cloud account to sign in.

Sigh, clickbait at its finest, why else would we click

BE WARNED. These extensions are a prime target for purchase and/or hijacking by malicious threat actors, who then use them to gain persistence on your browsers and steal data. There is no reason to increase your browser attack surface for this feature when better alternatives have been posted in this thread.

https://www.bleepingcomputer.com/news/security/chrome-extensions-with-14-million-installs-steal-browsing-data/

https://arstechnica.com/security/2025/01/dozens-of-backdoored-chrome-extensions-discovered-on-2-6-million-devices/

There are dozens of these articles dating back the last five years or so.

Digital signature as a means of non repudiation is exactly the way this should be done. Any official docs or releases should be signed and easily verifiable by any public official.