This is version 2104022034000 of the AMP runtime.
For a list of commits contained in this release, click
These switches control which release channel (prod, RC, or dev) of AMP JS
will be served through the Google AMP Cache.
Note: These controls set a cookie on the domain name cdn.ampproject.org. If your browser is
set to block all third-party cookies, they will not function. Make sure third-party cookies are enabled, or
allowlisted on the websites that you are testing.
You can manually opt in to a previously released RTV using this form.
Warning: This is an advanced setting. It is intended for use while debugging AMP runtime code, and is
not meant to be used to publish AMP documents. To opt out of this setting, clear the RTV in the input field.
Experiments can no longer be enabled on the top-level cdn.ampproject.org/experiments.html.
They must be toggled on the specific subdomain e.g. www-example-com.cdn.ampproject.org/experiments.html.
Find the AMP Cache experiments page for your source domain or AMP page URL:
These switches toggle experiments for documents served at the current subdomain
of the Google AMP Cache:
Please exercise caution. These experiments are not fully tested and might
contain bugs or have unexpected side effects. Please only activate them
if you work on the AMP Project
or plan to create AMP documents that use unreleased features for testing purposes.
See the AMP project
to find out more about experiments, and how to activate them outside of
the Google AMP Cache (including in local development).