Version 4.0.0

• Breaking change: action args are taken into account when scheduling unique actions.
• Breaking change: failed actions are now automatically purged after 3 months by default, controlled by the action_scheduler_retention_period_for_failed filter.
• Add action_scheduler_enable_failed_action_cleanup filter to disable automatic cleanup of failed actions.
• Performance - Actions with corrupted data are automatically cancelled on detection and their excess logs cleaned up in batches, preventing queue stalls and log table bloat.
• Performance - Action cleanup now runs as a dedicated daily task at 3 am site time with higher throughput.
• Update favicon images.
• Fix number formating for action numbers in list view.
• Import missing WP_CLI class to prevent fatal error.
• Fix possible undefined variable in action cancel --all CLI command.
• Move recurring A-S cache key to transient.
• Optimize get_claim_count() query for large stores.
• Update require_once path for Cancel_CommandFix absolute import.
• Fix esc_html() hook name in admin notice markup.
• Ensure cleanup action is enqueued via queue runner.
• Bump WordPress compatibility to version 7.0 and require at least 6.8.
• Dev - Bump picomatch from 2.3.1 to 2.3.2.
• Dev - Bump phpunit/phpunit from 8.5.42 to 8.5.52.
• Dev - Bump lodash, grunt-legacy-log and grunt-legacy-util.