* Drop support for checkpoints
* Deprecate .flush()
* Remove .begin/.commit
* Remove rollback() and deprecate save/autosave/reset()
There's no need to commit anymore, as the Rust code is handling
transactions for us.
* Add safer transact() method
This will ensure add-on authors can't accidentally leave a transaction
open, leading to data loss.
---------
Co-authored-by: Damien Elmes <gpg@ankiweb.net>
* Remove v1/v2 support from deck list
* Remove v1/v2 support from most routines and show error
* Remove scheduler_version from preferences
* Fix formatting
* Remove v1/v2 conditionals from Python code
* Fix legacy importer
* Remove legacy hooks
* Add missing scheduler checks
* Remove V2 logic from deck options screen
* Remove the review_did_undo hook
* Restore ability to open old options with shift (dae)
