Major Features Frontend Rewrite Complete frontend rewrite using SvelteKit Add theme toggle and support light mode Tag Management System Comprehensive tag management for Mytokens (API and UI) Tag-based management for notifications with dynamic tag selection and creation Tag-based calendar subscriptions and event synchronization Tag handling for token introspection and consent UI Notification Enhancements Add Refresh Token Failure notification class Federation Support Add support for OpenID Federation Setup & Configuration Improvements Improved setup process with guided setup implementation Add SSH keygen to setup Move migratedb to setup; drop migratedb command Automatically create necessary directories for logging files Add cwd to possible config file locations Fix logger directory permissions Configuration Changes Adjust guest_mode configuration to use nested enabled field Listen server on both TCP4 and TCP6 Dependencies Updated numerous dependencies Bug Fixes Use PreferHTMLMail flag instead of MailVerified to set email binding data Probably more