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MailOptin · Version history

MailOptin changelog and version history

Latest version
1.2.78.7
Oct 13, 2026 (27 days ago)
Releases
197
since 2017
In the last year
14
about one every 22 days
Tested up to
WordPress 7.1.4
PHP 7.4 or later

Releases each year

  • 201717 releases
  • 20185 releases
  • 201942 releases
  • 202035 releases
  • 202126 releases
  • 202218 releases
  • 202316 releases
  • 202415 releases
  • 202510 releases
  • 202613 releases

202613 releases

  1. MailOptin 1.2.78.7Latest

    • Fixed security issue from unsanitized field mapping parameter.

  2. MailOptin 1.2.78.6

    • Added fix for array/object fatal error behind “mailoptin_customizer_normalize_saved_values” filter.
    • Fixed Customizer page targeting multiselect persistence.
    • Updated name to Benchmark Email Classic.

  3. MailOptin 1.2.78.5

    • Prevented the opt-in campaign Customizer from fatalling when saved control values are arrays or objects.
    • Added rate limiting to the public subscribe_to_email_list handler to curb repeated subscription attempts.
    • Fixed the Mailchimp opt-in fatal error caused when integrations are already a PHP array instead of JSON text.
    • Blocked unrecognized public subscription requests early to prevent MailOptin conversion handling or campaign error emails.
    • Hardened public impression tracking so invalid requests cannot increment campaign stats or trigger tracking hooks.

  4. MailOptin 1.2.78.4

    • Updated HubSpot api version to 2026-09.
    • Updated Klaviyo api version to 2026-07-15.
    • Migrated Omnisend api from v3 to 2026-03-15.
    • Fixed PHP error: Function curl_close() is deprecated since 8.5.
    • Fixed PHP fatal error with emogrify.
    • See the changelog file for complete change log information.

  5. MailOptin 1.2.78.3

  6. MailOptin 1.2.78.2

  7. MailOptin 1.2.78.1

  8. MailOptin 1.2.78.0

  9. MailOptin 1.2.77.3

  10. MailOptin 1.2.77.2

  11. MailOptin 1.2.77.1

  12. MailOptin 1.2.77.0

  13. MailOptin 1.2.76.0

202510 releases

  1. MailOptin 1.2.75.4

  2. MailOptin 1.2.75.3

  3. MailOptin 1.2.75.2

  4. MailOptin 1.2.75.1

  5. MailOptin 1.2.75.0

  6. MailOptin 1.2.74.0

  7. MailOptin 1.2.73.2

  8. MailOptin 1.2.73.1

  9. MailOptin 1.2.73.0

  10. MailOptin 1.2.72.2

202415 releases

  1. MailOptin 1.2.72.1

  2. MailOptin 1.2.72.0

  3. MailOptin 1.2.71.1

  4. MailOptin 1.2.71.0

  5. MailOptin 1.2.70.4

  6. MailOptin 1.2.70.3

  7. MailOptin 1.2.70.2

  8. MailOptin 1.2.70.1

  9. MailOptin 1.2.70.0

  10. MailOptin 1.2.69.1

  11. MailOptin 1.2.69.0

  12. MailOptin 1.2.68.0

  13. MailOptin 1.2.67.1

  14. MailOptin 1.2.67.0

  15. MailOptin 1.2.66.0

202316 releases

  1. MailOptin 1.2.65.1

  2. MailOptin 1.2.65.0

  3. MailOptin 1.2.64.0

  4. MailOptin 1.2.63.0

  5. MailOptin 1.2.62.0

  6. MailOptin 1.2.61.0

  7. MailOptin 1.2.60.0

  8. MailOptin 1.2.59.0

  9. MailOptin 1.2.58.2

  10. MailOptin 1.2.58.1

  11. MailOptin 1.2.58.0

  12. MailOptin 1.2.57.0

  13. MailOptin 1.2.56.0

  14. MailOptin 1.2.55.1

  15. MailOptin 1.2.55.0

  16. MailOptin 1.2.54.1

202218 releases

  1. MailOptin 1.2.54.0

  2. MailOptin 1.2.53.0

  3. MailOptin 1.2.52.1

  4. MailOptin 1.2.52.0

  5. MailOptin 1.2.51.1

  6. MailOptin 1.2.51.0

  7. MailOptin 1.2.50.0

  8. MailOptin 1.2.49.0

  9. MailOptin 1.2.48.0

  10. MailOptin 1.2.47.1

  11. MailOptin 1.2.47.0

  12. MailOptin 1.2.46.1

  13. MailOptin 1.2.46.0

  14. MailOptin 1.2.45.2

  15. MailOptin 1.2.45.1

  16. MailOptin 1.2.45.0

  17. MailOptin 1.2.44.0

  18. MailOptin 1.2.43.0

202126 releases

  1. MailOptin 1.2.42.2

  2. MailOptin 1.2.42.0

  3. MailOptin 1.2.41.0

  4. MailOptin 1.2.40.1

  5. MailOptin 1.2.40.0

  6. MailOptin 1.2.39.2

  7. MailOptin 1.2.39.1

  8. MailOptin 1.2.39.0

  9. MailOptin 1.2.38.2

  10. MailOptin 1.2.38.1

  11. MailOptin 1.2.38.0

  12. MailOptin 1.2.37.2

  13. MailOptin 1.2.37.1

  14. MailOptin 1.2.37.0

  15. MailOptin 1.2.36.3

  16. MailOptin 1.2.36.2

  17. MailOptin 1.2.36.1

  18. MailOptin 1.2.36.0

  19. MailOptin 1.2.35.4

  20. MailOptin 1.2.35.3

  21. MailOptin 1.2.35.2

  22. MailOptin 1.2.35.1

  23. MailOptin 1.2.35.0

  24. MailOptin 1.2.34.4

  25. MailOptin 1.2.34.3

  26. MailOptin 1.2.34.2

202035 releases

  1. MailOptin 1.2.34.1

  2. MailOptin 1.2.34.0

  3. MailOptin 1.2.33.1

  4. MailOptin 1.2.33.0

  5. MailOptin 1.2.32.0

  6. MailOptin 1.2.31.4

  7. MailOptin 1.2.31.3

  8. MailOptin 1.2.31.2

  9. MailOptin 1.2.31.1

  10. MailOptin 1.2.31.0

  11. MailOptin 1.2.30.6

  12. MailOptin 1.2.30.5

  13. MailOptin 1.2.30.4

  14. MailOptin 1.2.30.3

  15. MailOptin 1.2.30.2

  16. MailOptin 1.2.30.1

  17. MailOptin 1.2.30.0

  18. MailOptin 1.2.29.4

  19. MailOptin 1.2.29.3

  20. MailOptin 1.2.29.2

  21. MailOptin 1.2.29.1

  22. MailOptin 1.2.29.0

  23. MailOptin 1.2.28.2

  24. MailOptin 1.2.28.1

  25. MailOptin 1.2.28.0

  26. MailOptin 1.2.27.5

  27. MailOptin 1.2.27.4

  28. MailOptin 1.2.27.3

  29. MailOptin 1.2.27.2

  30. MailOptin 1.2.27.1

  31. MailOptin 1.2.27.0

  32. MailOptin 1.2.26.0

  33. MailOptin 1.2.25.0

  34. MailOptin 1.2.24.0

  35. MailOptin 1.2.23.1

201942 releases

  1. MailOptin 1.2.23.0

  2. MailOptin 1.2.22.1

  3. MailOptin 1.2.21.1

  4. MailOptin 1.2.21.0

  5. MailOptin 1.2.20.0

  6. MailOptin 1.2.19.1

  7. MailOptin 1.2.19.0

  8. MailOptin 1.2.18.1

  9. MailOptin 1.2.18.0

  10. MailOptin 1.2.17.0

  11. MailOptin 1.2.16.1

  12. MailOptin 1.2.16.0

  13. MailOptin 1.2.15.1

  14. MailOptin 1.2.15.0

  15. MailOptin 1.2.14.0

  16. MailOptin 1.2.13.2

  17. MailOptin 1.2.13.1

  18. MailOptin 1.2.13.0

  19. MailOptin 1.2.11.1

  20. MailOptin 1.2.11.0

  21. MailOptin 1.2.10.1

  22. MailOptin 1.2.10.0

  23. MailOptin 1.2.9.0

  24. MailOptin 1.2.8.2

  25. MailOptin 1.2.8.0

  26. MailOptin 1.2.7.1

  27. MailOptin 1.2.7.0

  28. MailOptin 1.2.6.0

  29. MailOptin 1.2.5.1

  30. MailOptin 1.2.4.1

  31. MailOptin 1.2.4.0

  32. MailOptin 1.2.3.1

  33. MailOptin 1.2.3.0

  34. MailOptin 1.2.2.2

  35. MailOptin 1.2.2.1

  36. MailOptin 1.2.1.1

  37. MailOptin 1.2.1.0

  38. MailOptin 1.2.12.2

  39. MailOptin 1.2.12.1

  40. MailOptin 1.2.12.0

  41. MailOptin 1.2.11.4

  42. MailOptin 1.2.11.3

20185 releases

  1. MailOptin 1.2.11.2

  2. MailOptin 1.2.5.0

  3. MailOptin 1.2.4.2

  4. MailOptin 1.2.0.4

  5. MailOptin 1.2.0.3

201717 releases

  1. MailOptin 1.2.0.2

  2. MailOptin 1.2.0.1

  3. MailOptin 1.2.0.0

  4. MailOptin 1.1.7.1

  5. MailOptin 1.1.7.0

  6. MailOptin 1.1.6.0

  7. MailOptin 1.1.5.0

  8. MailOptin 1.1.4.1

  9. MailOptin 1.1.4.0

  10. MailOptin 1.1.3.0

  11. MailOptin 1.1.2.0

  12. MailOptin 1.1.1.1

  13. MailOptin 1.1.1.0

  14. MailOptin 1.1.0.4

  15. MailOptin 1.1.0.2

  16. MailOptin 1.1.0.1

  17. MailOptin 1.1.0.0

Questions about MailOptin’s releases

What is the latest version of MailOptin?

1.2.78.7, released on Oct 13, 2026 (3 weeks ago). It’s tested up to WordPress 7.1.4 and needs PHP 7.4 or later.

How often is MailOptin updated?

14 releases in the last year, about one every 22 days. Its first release on WordPress.org dates from July 2017.

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Release dates come from the day each version’s folder was made in MailOptin’s WordPress.org SVN repository; the notes from its readme’s changelog, as its authors wrote it.