Update 9.0.0 - 18 October, 2021
Improved the invoices system, now the invoices are immutable.
Reworked the Redeemable Codes system. Redeeming is happening now only from the Checkout page.
Discount/Redeemable codes can now be applied on a per plan basis (more flexibility).
Reworked parts of how the taxes system is working in the admin panel.
All the data tables are now ordered by the date, descending (previous ascending).
Many other code cleanups, improvements and bugfixes.