The list of AMP Caches is available at https://cdn.ampproject.org/caches.json

This could be pulled in dynamically rather than hard-coding each AMP Cache in \AMP_HTTP::get_amp_cache_hosts():

https://github.com/ampproject/amp-wp/blob/9e049f6554b69e06284ead57d13ef416226a51ec/includes/class-amp-http.php#L191-L239

This is low priority because the list of caches changes infrequently.

Issue Overview

Just some possible documentation help. This only works on my MacOS environment, but may be useful elsewhere. I know adv

Bug Description

The Publish text in the button overlaps with the 'info' icon

Expected Behaviour

Icon in Publish button should be spaced away from the text

Steps to Reproduce

1. Open editor
2. Switch

When optimizer used in conjuction together with optimizer-express it's not possible to pass params to optimizer's transformHtml method, only configuration to the optimizer constructor.

And while some transformers honor those configurations:
https://github.com/ampproject/amp-toolbox/blob/efe5775c5ff93ebacd6f7bd336ba02d829eca579/packages/optimizer/lib/transformers/AmpBoilerplateTransformer.js#