Changelog

Product releases, quality fixes, and improvements across Mailneo.

Latest Release
v2.23.1

v2.23.1 shipped on August 16, 2026

Started in May 2024, stable launch in November 2025. We now ship regular updates every month with a focus on reliability, performance, and workflow improvements.

34

Releases

2024

Started

2026 Release History

22 releases

Expand

v2.23.1

Patch
August 16, 2026

Improvements

  • •Creating or rotating an API key no longer asks you to re-enter your password
  • •Accounts created through Google sign-in can now create API keys
  • •The API keys tab now shows the team's plan instead of the signed-in member's own

Bug Fixes

  • •Fixed the second page of any oldest-first API listing returning an error, which broke incremental sync integrations
  • •Template names are now genuinely unique per team, even when several creates arrive at once
  • •Webhook delivery failures now report a clean reason instead of leaking internal detail

v2.23.0

Minor update
August 7, 2026

New Features

  • •API keys now have their own section in Settings, with create, rotate, and revoke
  • •API access is now part of the Business plan, matching how it is sold on the pricing page

Improvements

  • •Each sending provider now gets its own connection limit, so one busy mailbox no longer slows the rest
  • •Provider rate limits are no longer misread as a wrong password, so healthy accounts stay connected
  • •Mailboxes the provider keeps rejecting are retired instead of retried forever
  • •Kept the Reconnect button's label readable while hovering

Bug Fixes

  • •Fixed sends made through the API charging email credits twice
  • •A revoked API key now stops working immediately, and a rotated key keeps its original expiry
  • •Fixed contact lists sorted by last activity not paging past the first screen

v2.22.0

Minor update
August 4, 2026

New Features

  • •Public developer API: contacts, campaigns, newsletters, subscribers, lists, segments, suppressions, templates, analytics, and sending
  • •Outbound webhooks for delivery, engagement, and subscriber events, with signed payloads and retries
  • •OAuth 2.1 authorization server, so third-party apps can connect to a Mailneo account without sharing keys
  • •MCP server, letting AI assistants work with your Mailneo data through 29 tools
  • •Official TypeScript SDK (@mailneo/sdk) and an n8n community node
  • •Rebuilt developer documentation: quickstart, concept guides, product guides, and a full endpoint reference

Improvements

  • •Sends made through the API run behind confirmation, daily caps, and plan checks, the same as sends made in the app
  • •Repeated API requests are safely deduplicated with idempotency keys
  • •Added llms.txt so AI tools can index the documentation directly

Bug Fixes

  • •Newsletters marked public are no longer visible outside the team that owns them
  • •AI-written templates are now correctly attributed to the team that created them
  • •Malformed pagination cursors now return a clear error instead of failing outright

v2.21.0

Minor update
July 31, 2026

New Features

  • •Rebuilt the AI assistant as a full chat experience, with suggested prompts, CSV attachments, and saved sessions
  • •The assistant can now draft newsletter templates for you
  • •Scheduling a send or activating a drip campaign from the assistant now asks for explicit approval first, showing the real recipient count and send time

Improvements

  • •Assistant replies stream more smoothly and keep created-resource links and campaign previews next to the turn that produced them
  • •Assistant actions now respect team roles, and every change it makes is recorded in the audit log
  • •Normalized page headings across the app for a consistent scale
  • •Tightened the Google account permissions Mailneo asks for

Bug Fixes

  • •Fixed email content being lost between saving and display in the editors
  • •Fixed integration connection states not refreshing after connect or disconnect
  • •Password reset links now expire after 10 minutes
  • •Security hardening across webhooks, mailbox connections, and template access following an external audit

v2.20.0

Minor update
July 12, 2026

New Features

  • •Rebuilt the deliverability monitoring dashboard with accurate per-domain scoring and team-scoped data
  • •Added a Data Processing Agreement and a subprocessors page, plus GDPR trust badges on the homepage
  • •Added self-serve account erasure and data export from Settings

Improvements

  • •Newsletter automation overhaul: drip campaigns, workflows, segments, subscriber scoring, and analytics all reworked after a full audit
  • •Subscribers are now unique per team, with existing duplicates merged
  • •Link and open tracking now filters bot activity out of reported engagement
  • •Faster, more reliable inbox syncing with clearer reconnect messaging
  • •Streamlined the email editor and template editor, retiring the unused legacy variants

Bug Fixes

  • •Fixed the inbox refresh spinner never stopping after a sync completed
  • •Fixed mailbox syncing stalling for accounts on shared providers by limiting connections per host
  • •Fixed the mobile navigation menu
  • •Fixed the dashboard reporting deliverability figures for teams that had not sent anything

v2.19.0

Minor update
June 9, 2026

Improvements

  • •Faster newsletter and dashboard loading, with fewer redundant requests
  • •More resilient session handling, so a brief network drop no longer signs you out
  • •Simplified the campaign launch, sequence, and preview steps
  • •Trimmed the email account details dialog down to the settings that are actually in use

v2.18.0

Minor update
June 4, 2026

New Features

  • •Added preheader support across campaign and newsletter email editors
  • •Added reply-to controls for campaign sequences
  • •Added typography, color, and layout controls to the Maily editor

Improvements

  • •Scheduled campaign launch times now respect the selected campaign timezone
  • •Added half-minute lead pacing and overnight sending-window support
  • •Default Maily backgrounds are now cleaned up so emails inherit the intended template styling
  • •Improved campaign view progress states and API client campaign fields

Bug Fixes

  • •Fixed scheduled launches being treated as local device time instead of the selected campaign timezone
  • •Improved launch-time messaging so scheduled sends match the timezone shown in the UI

v2.17.0

Minor update
June 1, 2026

New Features

  • •Expanded newsletter analytics with richer engagement and growth breakdowns
  • •Added clearer reconnect flows for email accounts and OAuth providers
  • •Added account recovery paths for reconnecting broken sender accounts

Improvements

  • •Stabilized avatar rendering across dashboard and navigation surfaces
  • •Improved email-account connection handling and reconnect messaging

v2.16.0

Minor update
May 31, 2026

New Features

  • •Added Tally form embeds to the affiliates and demo pages
  • •Added optional IMAP support for bulk SMTP account setup
  • •Improved newsletter sending with SES/SMTP credential lookup support

Improvements

  • •Hardened production webhook verification for integrations
  • •Cleaned up deprecated integration options from the setup experience

v2.15.0

Minor update
May 23, 2026

New Features

  • •Implemented campaign recipient lead links for cleaner campaign-contact history
  • •Added clearer source labels for contacts imported from campaigns
  • •Improved Tally and WordPress integration management modals

Improvements

  • •Tightened campaign and newsletter settings validation with safer field aliases
  • •Improved email-credit accounting around campaign sending
  • •Preserved clearer send-failure messages when email credits cannot be reserved

v2.14.0

Minor update
May 12, 2026

New Features

  • •Recipient Domain Performance widget for per-domain deliverability insights
  • •SMTP failures captured and surfaced directly in the campaign UI
  • •DSN bounces wired through the bounce handler with IMAP discovery UX

Improvements

  • •Refreshed campaign view page with clearer launch and progress states
  • •Active campaign counts now include PAUSED and SCHEDULED statuses
  • •Retired the Email Client Performance widget in favor of domain-level metrics
  • •Homepage avatar rendering and pricing section polish

Bug Fixes

  • •Fixed campaign launch step validation regression on the frontend
  • •Excluded Outlook scanner opens from analytics to reduce inflated metrics

v2.13.0

Minor update
May 6, 2026

Improvements

  • •Hardened predeploy hook to install the correct Sharp arm64 binary on EB
  • •Audit-driven fixes shipped across email-accounts, contacts, analytics, campaigns, and inbox
  • •Added userId/teamId scoping to EmailEvent and CampaignRecipient creates
  • •Deduplicated inbox_emails composite unique constraints across migrations

Bug Fixes

  • •Made stop-on-unsubscribe and List-Unsubscribe headers actually take effect
  • •Resolved campaign placeholder rendering issues in personalized sends
  • •Fixed profile avatar upload and display bug across settings

v2.12.0

Minor update
April 17, 2026

New Features

  • •New content pages: glossary, checklists, comparisons, demo, and affiliates
  • •Published 50 new blog posts covering email deliverability and growth
  • •Full SEO, AEO, and GEO playbook rolled out across the marketing site

Improvements

  • •Refined homepage pricing section with bonus tools showcase
  • •Polished signin and signup flows with cleaner layouts
  • •Updated Twitter OG images, metadata, favicon, and apple-icon
  • •Updated support hours and resources on the contact page

v2.11.0

Minor update
April 3, 2026

New Features

  • •Documentation experience redesign with compact Quickstart navigation
  • •Integrated documentation search with keyboard-first interactions
  • •Dark and light mode toggle added to docs top navigation

Improvements

  • •Homepage v2 refresh with refined visual hierarchy and spacing consistency
  • •Full-width docs layout updates for better readability on larger screens
  • •Navigation and button styling polish for a more consistent product UI

v2.10.0

Minor update
March 28, 2026

Infrastructure

  • •Migrated backend infrastructure from Azure to AWS Elastic Beanstalk
  • •Updated deployment flow to run database migrations on the EB instance
  • •Adjusted CI/CD IAM permissions for reliable S3 and Elastic Beanstalk deploys

Improvements

  • •Updated hero section and refreshed marketing assets
  • •Upgraded image processing dependency to Sharp 0.34.5

v2.9.0

Minor update
February 22, 2026

New Features

  • •Added campaign activity tab with improved campaign view workflows
  • •Introduced leads filters with open and click engagement signals
  • •Implemented IMAP sent-message sync and newsletter media upload to S3

Improvements

  • •Moved deliverability tracking into the Email Accounts page
  • •Expanded newsletter analytics and dashboard performance improvements
  • •Improved contacts table filtering, sorting, and general table usability

Bug Fixes

  • •Resolved multiple inbox stability issues and campaign sequence delay bugs
  • •Fixed campaign validation edge cases, tracking reliability, and test-send issues
  • •Addressed view-page cleanup and sender consistency issues

v2.8.1

Patch
February 13, 2026

Improvements

  • •Hardened campaign schema validation with better Zod diagnostics
  • •Improved leads service monitoring and campaign performance tracking
  • •Optimized tracking performance and bot proxy handling

Bug Fixes

  • •Fixed leads tag handling and campaign autosave reliability
  • •Resolved spintext validation and launch-step validation regressions
  • •Patched proxy and certificate mismatch issues impacting requests

v2.8.0

Minor update
February 1, 2026

New Features

  • •Redesigned analytics dashboard with improved visualizations
  • •Enhanced dashboard routes and data services

Improvements

  • •Optimistic UI updates for faster campaign management
  • •Improved campaign deletion performance

v2.7.3

Patch
January 25, 2026

New Features

  • •Notifications system for campaign events
  • •Weekly report worker for automated email summaries
  • •Reach new leads feature for targeted outreach

Improvements

  • •Last contacted tracking improvements
  • •Enhanced campaign preview dialog

v2.7.2

Patch
January 18, 2026

Improvements

  • •Composite database indexes for faster query performance
  • •Rate limiter optimization (increased to 1000 requests)
  • •Non-blocking campaign save for better UX
  • •Trust proxy configuration for Azure load balancer

Bug Fixes

  • •Fixed campaign pacing and scheduling issues
  • •Resolved timezone handling for scheduled campaigns
  • •Fixed recipients limit increased to 50,000 for large campaigns

v2.7.1

Patch
January 12, 2026

Improvements

  • •Campaign view page enhancements
  • •Improved email scheduling reliability
  • •Better error states and progress display

Bug Fixes

  • •Fixed scheduled campaign validation
  • •Resolved attachment download issues
  • •Fixed subscriber import step flow

v2.7.0

Minor update
January 5, 2026

New Features

  • •Drip campaign builder with automated sequences
  • •Newsletter issue management system
  • •Campaign enrollment tracking and analytics
  • •BullMQ-based scheduler for reliable campaign scheduling

Improvements

  • •Merged campaign worker architecture for better performance
  • •Enhanced newsletter campaign creation flow
  • •Improved security and privacy controls

Bug Fixes

  • •Fixed drip campaign reactivation issues
  • •Resolved newsletter sending pace problems
  • •Fixed enrollment count display accuracy

2025 Release History

7 releases

Expand

v2.6.0

Minor update
December 10, 2025

New Features

  • •Custom API integration support
  • •Google Sheets integration for contact sync
  • •Integration management dashboard
  • •OAuth connection flow improvements

Improvements

  • •Enhanced integration error handling
  • •Better sync status tracking

v2.5.0

Minor update
November 18, 2025

New Features

  • •Newsletter campaign builder
  • •Subscriber list management
  • •Newsletter segment creation
  • •Email template library for newsletters

Improvements

  • •Improved newsletter editor experience
  • •Better subscriber import workflow

v2.4.0

Minor update
October 12, 2025

New Features

  • •Campaign insights with trend charts
  • •Export improvements with scheduling

v2.3.0

Minor update
July 28, 2025

Improvements

  • •Editor performance and accessibility enhancements
  • •Better error states across the app

v2.2.0

Minor update
May 15, 2025

New Features

  • •Template variables with fallbacks
  • •Segment insights with trend charts

Bug Fixes

  • •Fixed campaign duplication edge cases
  • •Resolved timezone edge cases in reports

v2.1.0

Minor update
March 10, 2025

New Features

  • •Workflow automations with conditional branching
  • •Snippet library for reusable content blocks

Improvements

  • •Improved bounce handling and suppression
  • •Faster CSV import validations

v2.0.0

Major release
January 15, 2025

New Features

  • •AI Email Analyzer - Get instant feedback on email effectiveness
  • •Advanced segmentation with behavioral triggers
  • •Email templates library launch

Improvements

  • •50% faster email editor loading times
  • •Enhanced mobile preview accuracy
  • •Better handling of large contact lists
  • •Improved CSV import with auto-mapping

Bug Fixes

  • •Fixed timezone issues in scheduled campaigns
  • •Resolved duplicate contact merge conflicts
  • •Fixed analytics data export formatting

2024 Release History

5 releases

Expand

v1.3.1

Patch
November 15, 2024

Improvements

  • •Updated email templates for better mobile rendering
  • •Improved error messages for better clarity
  • •Performance optimizations for large campaigns

Bug Fixes

  • •Fixed issue with Gmail OAuth reconnection
  • •Resolved contact tag filtering bug
  • •Fixed date picker localization issues

v1.3.0

Minor update
October 18, 2024

New Features

  • •AI-powered subject line generator
  • •Email deliverability monitoring dashboard
  • •Custom fields for contact management

v1.2.0

Minor update
September 10, 2024

New Features

  • •Sequences (basic automation)
  • •Template management and sharing

v1.1.0

Minor update
July 22, 2024

Improvements

  • •Enhanced contact import and validation
  • •Deliverability improvements and updated infrastructure

v1.0.0

Major release
May 5, 2024

Launch

  • •Mailneo beta launch
  • •Core campaign sending and contacts
  • •Email editor and basic analytics

Have a Feature Request?

We review product feedback every week. Share what you need and we'll prioritize it in upcoming releases.

Submit Feature Request