* Fix-Switched direct postmeta calls to CRUD calls to prepare for COT.

* Fix-My Account > Pre-Orders template change to display text when customer has no pre-orders. PR#336.
* Fix-Ensure all pre-orders don’t show up when filtering by a product without pre-orders.
* Update-Function load_block_classes() was renamed to woocommerce_pre_orders_load_block_classes() on the root file of the plugin.
* Fix-Fatal Error in Pre-orders listing page which occurred when a filtered product is deleted and page reloaded.
* Fix-Translation of plugin strings/texts.
* Fix-Title, label, description strings are written in sentence case.
* Fix-Strings are being translated using the wrong domain.

* Add-Show notice for to be dropped WP<5.8 & WC<6.7 versions. * Dev-Add bundlewatch to monitor the size of bundles. * Dev-Fix tests in WC 6.9. * Dev-Updated `sass@^1.54.9` & gulp related packages.

*Fixed the checked field error disabaling the product info editor.