* Sensei LMS: Version bump to 4.9.0 https://raw.githubusercontent.com/Automattic/sensei/version/4.9.0/changelog.txt
* Sensei Pro: Version bump to 1.9.0
* Add support for Co-Teachers.
* Give Teachers the ability to edit Questions for Courses on which they are a Co-Teacher.
* Fix error when removing partial refund of a course order
* Add access period and course pricing slot fills for Sensei Course Settings.
* Fix ordering question removing classic editor support
* Support wp.com purchase plans on Sensei Pro (Paid Courses) plugin.
* Fixes issue of email not being sent for content drip at scheduled time

* Misc – Update DomPDF library to v2.0.1

* Dev – Fix phpunit tests.
* Update – Bump our Node support to v14.
* Update – Bump our NPM support to v6.
* Fix – Subscription status check places orders with submitted payments on hold.

* Fix – Fixed a fatal error that was triggered when using PHP v8 and using Cart/Checkout Blocks.
* Fix – Fix divide by zero errors on checkout with PHP v8.
* Fix – Fix “Order Again” for deposit-paid products.