We refactored many controller classes to replace usage of $this→getRequest().

We’ve removed avoidable usages of protected access for properties and methods.

The NewsletterManageIndexPlugin is now an ‘after’ plugin not an ‘around’ plugin.

We fixed all outstanding PHPStan errors (level 2).

We removed a deprecated method in the UrlFinder class which was calling a non-API core method.

We now specify the sales_order table in a WHERE clause for order statuses in customer sync.

We updated a block reference in the LogViewer layout XML.

We fixed a 401 console error that appeared when viewing URLs from *.dotdigital.com in an iframe via the admin.