Changelog: add #14239

Also added some new entries to the testing file.

Author: zinigor

readme.txt

@@ -112,6 +112,7 @@ There are opportunities for developers at all levels to contribute. [Learn more
 * Mobile Theme: allow one to temporary disable Jetpack's Mobile Theme for testing.
 * Mobile Theme: disable settings when feature is inactive.
 * Site Accelerator: disable a helper library by default and allow themes to enable it when required.
+* Subscriptions: add a wp-admin setting to alert the admin when someone follows the blog.
 * WordPress.com REST API: add flag to determine site eligibility for Full Site Editing.
 * WordPress.com synchronization: improve the reliability of the synchronization events triggered to keep your site up to date with WordPress.com.
 * WordPress.com Toolbar: update the link directing to the WordPress.com Reader.

to-test.md

@@ -14,7 +14,7 @@ As a general item, I'd be happy to see devicepx go away entirely. My only concer
 Devicepx came about because there were not great ways for managing alternate image needs, like DPI ( retina ). Now, we have much better options that don't require JavaScript to be checking things all the time. We certainly have the browser feature support that makes it possible for devicepx to go away.
 ```
 
-To test enable the Jetpack plugin. It no longer enqueues the `https://s0.wp.com/wp-content/js/devicepx-jetpack.js` script on all pages automatically.
+To test enable the Jetpack plugin. Make sure it no longer enqueues the `https://s0.wp.com/wp-content/js/devicepx-jetpack.js` script on all pages automatically. Please make sure images of various sizes (galleries, featured images, icons, etc.) look fine on different screens.
 
 Add `add_theme_support( 'jetpack-devicepx' );` to theme's functions.php and notice that now all front-end page loads include the https://s0.wp.com/wp-content/js/devicepx-jetpack.js script. You can use the following snippet:
 
@@ -27,6 +27,10 @@ function jetpack_declare_theme_support() {
 
 Load an AMP page and notice that the devicepx library is not loaded as expected.
 
+### Subscriptions
+
+The option to send emails on new subscribers has been added to wp-admin. Previously the option could only be set using Calypso. To test you can go to the wp-admin settings and open the Discussion tab. The new checkbox will be in the "Email me whenever" section. Make sure you can save both the on and off value, and change it using Calypso.
+
 ### Others
 
 - If you have the opportunity to test in an older browser like IE11, please do so. You may catch some interesting bugs!