New performance options have been added. They allow you to optimize Search and Archive query alterations.
Schema.org JSON-LD data is now cleaner when you run PHP 5.4 or later.
Custom input image URLs can now dynamically switch between HTTP and HTTPS and the dimensions are always set, regardless of input.
Multisite networks no longer initiate new database connections on every page for plugin compatibility checks.

Social images can now scale up to 4K resolution. This means (manual and automated) forced cropping no longer initiates at 1500px but at 4096px.
A new option has been added for every taxonomical post type in the Visibility tab. It allows you to prevent the annotated pages from showing up in Archives.
Structured Data output has been revisited. This includes merging of output, removal of misplaced output, and performance improvements.
When your home page is a blog, pages without an ID (404, search, date archives, etc.) had output and caching issues. These issues have been resolved.
Several security concerns have also been addressed. Although, none of them could be verified as the coding environment is already well protected.

Now, Polylang is officially supported by The SEO Framework.
The sitemap now supports plain permalinks. That means it now literally works for every website.
The robots.txt file has been enhanced, so it now informs you when the output location is incorrect.
Moreover, various bugs have been fixed, mainly concerning third party plugins.

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.