Adds WP-CLI commands to manage redirects. Use wp yoast redirect to see the list of available commands.
* Adds Flesch Reading Ease for Russian.
* Adds Catalan transition words.
* Adds a tab to the Help Center on posts, pages, terms and custom post types which explains which template variables can be used in the Snippet Preview.
Bugfixes:
Fixes a bug where the link to run the internal linking count for orphaned content did not work.
Fixes a bug where unpublished posts and password protected posts where taken into account in the orphaned content overview and notifications.
* Fixes a bug where sequences of symbols which do not contain a single letter or digit were considered as valid keywords.
Other:
* Changes the maximum meta description length from 320 to 156 characters.
* Fixes typo in $field_defs parameter description for wpseo_metabox_entries filter.
* Restores the warning for using unsupported replacement variables on the search appearance settings page.
* Fixes a bug where Flesch Reading Ease translation strings were not fully translated.
* Fixes a bug where numbers-only keywords caused the analysis to fail.
* Fixes a bug where the active keyword in the state wasn’t updated whenever changes were made in the keyword field.
* Fixes a bug where replacevars based on custom fields would throw an error due to a missing ID.
