Currently there’s some User-agent based anti-spam blocks (Primarily on tracTrac Trac is the place where contributors create issues for bugs or feature requests much like GitHub.https://core.trac.wordpress.org/. I think) that is blocking requests from Firefox version 100. I can’t see anything blocking Chrome 100, but that will also need to be checked at the same time.
% curl -Is https://core.trac.wordpress.org/ --user-agent 'Mozilla/5.0 (X11; Linux x86_64; rv:100.0) Gecko/20100101 Firefox/100.0' | grep ^HTTP
HTTP/2 403
I assume we have something looking for Firefox/1
as a UA blockBlock Block is the abstract term used to describe units of markup that, composed together, form the content or layout of a webpage using the WordPress editor. The idea combines concepts of what in the past may have achieved with shortcodes, custom HTML, and embed discovery into a single consistent API and user experience. for ancient-versions of Firefox.
Originally reported by @mte90 – https://wordpress.slack.com/archives/C0C89GD35/p1635254249000700