Enhancements:
* Improves the way that the OpenGraph is determined for front pages, especially in the case of static front pages.
* Adds links to relevant articles to all SEO assessments.
* Adds Flesch Reading Ease assessment for French.
* Adds Flesch Reading Ease assessment for Spanish.
* Adds passive voice assessment for Italian.
* Shows a notification regarding the creation of redirects when deleting a category or tag.
* Introduces an action (wpseo_premium_redirects_modified) that will be executed when a redirect has been added, edited or deleted.
* Adds the possibility to enter keyword synonyms.
* Adds an assessment the checks the distribution of the focus keyword in the text.
* Adds an assessment that checks the distribution of keywords and synonyms.
Bugfixes:
* Fixes a bug where images from password protected posts could potentially end up in OpenGraph image tags.
* Fixes a bug where very old notifications could not be be dismissed or restored.
* Fixes a bug where the Insert snippet variable button alignment was incorrect.
* Fixes a bug where the snippet variables had a different label in the Search Appearance settings compared to the snippet variables when writing a post, pages and taxonomies.
* Fixes a bug where instances of the same keyword with different kinds of apostrophes (e.g., brain’s and brain’s) were not recognized as the same. This affects the following assessments: keyword in meta description, keyword in subheading, keyword in first paragraph, keyword in title and keyword in URL.
* Fixes a bug where the custom set breadcrumb title for the WooCommerce Shop page wasn’t used.
* Fixes a bug where advertisements were being displayed next to video tutorials.
* Fixes a bug where redirected URLs would show up in the sitemap.
* Filters out prominent word combinations ending in ‘s in English. Props to swekkiekekkie.
Other:
* Adds a reminder message to create a redirect if a user deletes a category or tag.
* Removes a banner spot in the admin.
