Fixed: Improved scheduled iteration logic to prevent sites from being skipped during regression checks.

Fixed: Added client-side validation for AJAX page checks to prevent malformed requests.

Fixed: Improved URL resolution when fetching remote page content so pages load more reliably when site URL data is missing or incomplete.

Fixed: Site-specific settings now save the site URL to prevent missing or empty URL issues during future checks and comparisons.

Updated: Improved HTML difference detection for very large pages to provide more accurate comparison results.

Updated: Improved snapshot cache invalidation and site-wide upgrade version persistence for more reliable regression testing behavior.

Updated: Updated dependency libraries to improve compatibility and maintain stability.