Issues

• Logger writes 4 instead of the message after Mailchimp answers with a non-JSON error

  mailchimp/mc-magento2#2404 · Filter by author agustinbv opened on Nov 5, 2026

• Config page crashes when /register returns a non-JSON response (HTTP 500)

  mailchimp/mc-magento2#2402 · Filter by author MatiasOrlando opened on Nov 4, 2026

• develop-2.3: subscribers can be synced with another store view's customer-field mapping

  mailchimp/mc-magento2#2400 · Filter by author agustinbv opened on Oct 27, 2026

• Birthday merge field is always sent as MM/DD, breaking audiences whose Birthday field is DD/MM

  mailchimp/mc-magento2#2382 · Filter by author agustinbv opened on Oct 14, 2026
  

• encodeOperations() allocates a full second copy of the batch payload, exhausting memory on large syncs

  mailchimp/mc-magento2#2339 · Filter by author haimanti-dekker opened on Aug 5, 2026

• _getMCStatus() 'pending' branch is unreachable: Not Activated subscribers never sync as pending (subscriber_status=1 filter)

  mailchimp/mc-magento2#2314 · Filter by author agustinbv opened on Jul 6, 2026
  

• Assign new subscriber to Mailchimp group when creating customer account

  mailchimp/mc-magento2#2221 · Filter by author mobweb opened on Nov 24, 2025

• Products sync errors - Resource Not Found. 404 The requested resource could not be found

  mailchimp/mc-magento2#2051 · Filter by author alek-s-andr opened on Feb 20, 2025
  1

• Add the phone to the subscriber

  enhancementMagento 2.1Magento 2.2Magento 2.3Magento 2.3.6-p1Magento 2.4
  mailchimp/mc-magento2#1847 · Filter by author gonzaloebiz opened on Oct 4, 2023 · 10x.x.59
  2

  

• Add captainhook to run pre commit tests

  enhancement
  mailchimp/mc-magento2#1706 · Filter by author federicocanedo opened on Jun 14, 2023 · 10x.x.54
  

• Long delay loading 75 Mailchimp Stores

  enhancement
  mailchimp/mc-magento2#1091 · Filter by author roberto-ebizmarts opened on Jan 14, 2021
  1

• Allow Mailchimp for Magento 1 store deletion

  enhancement
  mailchimp/mc-magento2#995 · Filter by author SantiParagarino opened on May 4, 2020

• Don't add the "Mailchimp sync" column to the order grid if the ecommerce is disable

  enhancement
  mailchimp/mc-magento2#778 · Filter by author gonzaloebiz opened on Jul 5, 2019

• Setup upgrade works more than 15 minutes during installing module

  enhancementlow priority
  mailchimp/mc-magento2#457 · Filter by author ihor-sviziev opened on Nov 3, 2018
  4