MainWP Dashboard 6.4.2-rc.1

Fixed: Corrected premium plugin and theme update counts in Manage Sites and the Client Overview Sites widget, including sorting by available updates.
Fixed: Sites with only premium updates are now included in REST API available-update filters, with accurate totals and pagination.
Fixed: REST API site requests now return custom field values when including or excluding specific sites.
Fixed: Custom field requests no longer overwrite site IDs, URLs, or other built-in site details.
Fixed: Non-MainWP Changes now sync during scheduled, REST API, and WP-CLI syncs.
Fixed: Prevented widgets from briefly overlapping while Overview pages load.
Fixed: Uptime Monitoring Check Now now matches keywords against page content only, preventing response headers from incorrectly marking a site as Up.
Fixed: Newly selected sites now inherit suspension when saving a suspended client, while existing individual site settings are preserved.
Fixed: Failed client saves now report an error without changing associated site statuses.
Fixed: Resolved WP-CLI errors when unignoring plugin and theme updates, with support for selecting a specific version.
Fixed: Bulk disconnection through WP-CLI now continues after individual site failures and reports the overall result.
Fixed: Improved REST API update queue failure handling and reporting of sites that could not be queued.
Fixed: Test Restore now correctly records unsupported backup formats.
Fixed: Corrected backup subfolder paths containing leading or repeated separators.
Fixed: Prevented PHP deprecation warnings when changing user passwords on servers without the mbstring extension.
Updated: Corrected WP-CLI help, available options, and command examples.
Updated: Improved privacy checks when renaming tags through restricted API access.
Updated: Improved handling of connection renewal and disconnection error messages.
Updated: Clarified the database permissions required for Test Restore.