Every LetterWP release, newest first. To update, download the latest zip from your Lemon Squeezy receipt and upload it in Plugins → Add New → Upload Plugin. WordPress offers to replace the current version. Your settings and subscribers stay.
1.1: Email Design
October 2, 2026
- New Email Design screen: heading and body fonts, title and text sizes for desktop and mobile, link and button colours, your logo and its width.
- Show or hide the featured image, categories, author and date. Send the full post, or an excerpt with a Read more button.
- Live preview of the real email from any post, with Desktop and Mobile tabs. Send a test with your unsaved changes.
- View in browser moves under the byline, and the featured image links to the post.
- A small “Newsletter easily with LetterWP” credit in the footer, which you can turn off in one click.
1.0: First release
October 1, 2026
- Publish a post and it goes out as an email, through your own Resend account and domain.
- Guided setup: Resend key, domain and DNS check (including DMARC), sender addresses and a test email.
- Subscribe block and shortcode, with double opt-in and spam protection without a captcha.
- Magic-link sign-in for readers, and an account page where they pick topics. Each category is a topic.
- One-click unsubscribe. Bounces, spam reports and unsubscribes come back from Resend on their own.
- Email results per post: delivered, bounced, spam reports and unsubscribes. No open or click tracking.
- Subscribers in their own table, with search, editing and two-way sync with Resend.
- CSV import, which reads a Substack export as it is, and CSV export.