- Added a new onboarding experience for the Notification Center and introduced actor filtering for topic‑based notifications.
- Enhanced the email channel with cc/bcc/multiple recipients, custom sender name per template, and support for the Resend email provider; also added a bulk trigger endpoint and custom subscriber properties.
- Included extensive UI polishing and bug fixes such as correct apostrophe handling in SMS, improved template prompts, and extra APNS/FCM fields.
