generated: '2026-08-12'
method: searched
source: https://mailoptin.io/changelog/
secondary_source: https://api.wordpress.org/plugins/info/1.0/mailoptin.json
scheme: >-
  Four-part dotted versions. The premium build tracks a 2.x line and the free WordPress.org
  build a 1.x line, released on the same dates with the same notes — 2.2.78.1 (premium) and
  1.2.78.1 (lite) are the same release. Not semver: breaking changes are not signalled by
  the version.
current_version: 2.2.78.1
current_version_lite: 1.2.78.1
current_version_date: '2026-07-28'
cadence: >-
  Roughly monthly, sometimes several patches in a month. Nine releases in the twelve months
  to 2026-07-28.
breaking_change_policy: none published
entries:
- version: 2.2.78.1
  version_lite: 1.2.78.1
  date: '2026-07-28'
  breaking: false
  additions: []
  fixes:
  - Fixed XSS in optin block.
  - Fixed Mailchimp lead subscription bug due to an invalid IP address.
- version: 2.2.78.0
  version_lite: 1.2.78.0
  date: '2026-07-01'
  breaking: false
  additions:
  - Added Copper CRM integration.
  fixes:
  - Fixed security issue where a non-whitelisted option could be used as a list-subscription field value.
- version: 2.2.77.3
  version_lite: 1.2.77.3
  date: '2026-06-19'
  breaking: false
  additions: []
  fixes:
  - Improved PHP 8.5 support.
  - Fixed security issue where an optin without the list-selection field behaved as one.
- version: 2.2.77.2
  version_lite: 1.2.77.2
  date: '2026-05-22'
  breaking: false
  additions:
  - Added reCAPTCHA Enterprise support.
  fixes:
  - Fixed more Outlook email template rendering issues.
- version: 2.2.77.1
  version_lite: 1.2.77.1
  date: '2026-05-19'
  breaking: false
  additions:
  - Added column support for posts in email template.
  fixes:
  - Updated Klaviyo API to version 2026-04-15.
  - Improved email template support for Outlook.
  - Fixed subscription bug in Brevo on duplicate contact.
  note: >-
    Third-party API version pin visible in the notes — MailOptin tracks Klaviyo's dated
    API versioning on its consumer side.
- version: 2.2.77.0
  version_lite: 1.2.77.0
  date: '2026-03-25'
  breaking: false
  additions:
  - Added SendPulse email marketing integration.
  - Added Bento email marketing integration.
  fixes:
  - Increased API request timeout.
  - Improved hiding of content in Outlook email.
  - Improved admin UI for WP 7.
- version: 2.2.76.0
  version_lite: 1.2.76.0
  date: '2026-01-23'
  breaking: false
  additions:
  - Added Mailercloud email marketing integration.
  - Added Cloudflare Turnstile integration.
  - Added background processing of external optin.
  fixes:
  - Fixed fatal error with cloning optin.
  - Fixed bug where Sender integration did not fetch all lists.
- version: 2.2.75.4
  version_lite: 1.2.75.4
  date: '2025-11-07'
  breaking: false
  additions: []
  fixes:
  - Upgraded HubSpot integration fully to the v3 API.
  - Guarded against multiple error emails.
  - PHP performance improvements.
- version: 2.2.75.3
  version_lite: 1.2.75.3
  date: '2025-10-24'
  breaking: false
  additions: []
  fixes:
  - Addressed email campaign error duplication issue.
- version: 2.2.75.2
  version_lite: 1.2.75.2
  date: '2025-09-07'
  breaking: false
  additions: []
  fixes:
  - Fixed bug allowing users to receive email campaigns multiple times.
  - Enhanced campaign background processing.
window: recent 10 entries as published on 2026-08-12