* Added bulk order post action for sending orders to Amazon
* Added manual-only mode for sending orders by admin action but not automatically
* Fixed PayPal IPN timing irregularity handling

* Fix: Limit has_options() filter to REST requests to fix issue it caused with NYP display in grouped products.

* New: Integration with PW Bulk Edit
* Change: Additional documentation links next to plugin on Plugins screen
* Change: Lowercase ID tag in Google feed. Improves 3rd party feed compatibility
* Change: Re-work of tag stripping / length calculations to increase content sendable in Google feed.
* Fix: Under rare circumstances descriptions could arrive epty due to issues with XML escaping

* Fix: Pass an order status array to get_order_report_data() to prevent possible fatals by 3rd parties. PR#3930
* Fix: Change logic to allow customers to pay for failed order with limited product. PR#3947
* Fix: Prevent base length from being saved in the DB when retrieved in ‘apportion_length’. PR#3954
* Fix: Prevent errors when using Product Bundles (which uses WCS_Add_Cart_Item) by introducing a WCS_Add_Cart_Item::is_switch_after_fully_reduced_prepaid_term() function. PR#3957
* Fix: Introduce an SQL Transactions helper with automatic commit/rollback on shutdown. Prevents strange behaviour when a shutdown occurs during a SQL transaction. PR#3827
* Fix: [PHP 8.0] Change maybe_retry_payment() arg name to prevent unknown variable name errors. PR#3984
* Fix: Delete ‘_switch_totals_calc_base_length’ meta incorrectly saved in the database on upgrade. PR#3958
* Fix: Prevent WC_Order_Item_Coupon::offsetGet errors during renewal. PR#4009
* Dev: Introduce new hooks to various Switch_Totals_Calculator functions. PR#3872

* Tweak-Use the core ‘WC_Background_Process’ library for synchronizing stock data between bundled products and bundles in the background.
* Tweak-Removed quantity multipliers from bundled product titles when using the Tabular layout.
* Tweak-Changed bundled product ID label color to match WordPress palette under ‘Product Data > Bundled Products’.
* Fix-Fixed an issue that prevented bundled item Product Add-Ons subtotals from updating correctly.