This release patches a few bugs that were brought with the 2.9.0 release related to debugging and cache clearing.
And if you like to use quick edit a lot, the SEO Bar will now also re-render on save.

This update focuses on fixing bugs and expanding the API for developers.
To expand the API for per page (in-post) SEO settings, tabs had to be added in the SEO settings metabox.
The JavaScript code has also been overhauled to improve performance and allow third party implementation.
Moreover, the home page settings now allow you to upload a social image.
Structured data markup has also been improved, like the inclusion of an alternative Sitename and fixes for Breadcrumb images.
The sitemap can now include the blog page. The lastmod value of which listens to multiple pages to automatically determines what’s best.
Unfortunately, Twitter has removed support for photo cards. This update makes sure that the regarding settings correctly convert to the current format.

The 2.8.0 release didn’t contain everything I wanted. So, two new features in a minor release? Certainly!
First, there’s now a fallback Social Image uploader.
Second, when scheduled posts are published they now trigger sitemap cache flush pinging.
Moreover, this update fixes a few bugs: namely ones that caused character encoding issues in the admin area.

This update fixes a corner case bug regarding PHP mbstring. If you haven’t read the 2.8.0 upgrade notes yet, please do.

This major release not only fixes various bugs, but also introduces new options for you to fiddle with.
You’re now able to adjust General Settings easily! These settings include options to adjust the cache, (re)move the SEO Bar, and set a Canonical Scheme.
Google’s Knowledge Graph has been transformed into something much bigger last year, so the related settings now fall under a new name: “Authorized Presence”.
You can now select your website’s social images. With this much asked for feature, you’re now really in control.
You can now also control the style of your sitemap. The sitemap title will link back to your homepage when clicked upon.