mautic/mautic
Oct 2021 – Apr 2026
21 Months active
Languages Used
PHPINIJavaScriptCSSTwigYAMLHTMLLESS
Technical Skills
PHPback end developmentunit testingDoctrine ORMdatabase managementbackend development
John Linhart
PROFILE
John Linhart
Over 21 months, this developer delivered robust features and stability improvements for the mautic/mautic repository, focusing on campaign management, email workflows, and platform modernization. They implemented new entities, enhanced API and database performance, and improved security with features like S/MIME email signing and strict HTTPS validation. Their work included backend development in PHP and Symfony, frontend refinements with JavaScript and Twig, and comprehensive automated testing using PHPUnit. By addressing technical debt, upgrading dependencies, and streamlining deployment with Docker, they ensured maintainable, scalable code. Their contributions consistently improved data integrity, user experience, and developer velocity across the evolving codebase.
Overall Statistics
Feature vs Bugs
57%Features
Repository Contributions
119Total
Bugs
26
Commits
119
Features
34
Lines of code
10,004,560
Activity Months21
Your Network
94 peopleWork History
April 2026
2 Commits • 2 Features
Apr 1, 2026April 2026 monthly summary for mautic/mautic: Delivered environment and deployment enhancements and strengthened custom email reliability, aligning with the 7.x lineage and delivering business value through reproducible environments and improved email deliverability.
2 Commits • 2 Features
Apr 1, 2026April 2026 monthly summary for mautic/mautic: Delivered environment and deployment enhancements and strengthened custom email reliability, aligning with the 7.x lineage and delivering business value through reproducible environments and improved email deliverability.
April 2026
March 2026
5 Commits • 2 Features
Mar 1, 2026March 2026 (2026-03) – mautic/mautic: Delivered stability, localization, and developer-experience improvements with clear business value. Key features delivered include support for relative date parameters in the current language to enhance localization and a refreshed development environment (Docker, DDEV, PhpMyAdmin, Redis) to streamline onboarding and CI readiness. Major bugs fixed include stabilizing end-to-end tests and ensuring removal of filters in Email dynamic content. These efforts reduce flaky tests, improve email template reliability, and accelerate iteration cycles. Technologies demonstrated include Docker/DDEV, PHP-based tooling, localization workflows, and cross-repo branch integration. Overall impact: higher release confidence, improved localization quality, and faster developer onboarding with streamlined infrastructure and testing pipelines.
March 2026
5 Commits • 2 Features
Mar 1, 2026March 2026 (2026-03) – mautic/mautic: Delivered stability, localization, and developer-experience improvements with clear business value. Key features delivered include support for relative date parameters in the current language to enhance localization and a refreshed development environment (Docker, DDEV, PhpMyAdmin, Redis) to streamline onboarding and CI readiness. Major bugs fixed include stabilizing end-to-end tests and ensuring removal of filters in Email dynamic content. These efforts reduce flaky tests, improve email template reliability, and accelerate iteration cycles. Technologies demonstrated include Docker/DDEV, PHP-based tooling, localization workflows, and cross-repo branch integration. Overall impact: higher release confidence, improved localization quality, and faster developer onboarding with streamlined infrastructure and testing pipelines.
February 2026
1 Commits
Feb 1, 2026February 2026 (2026-02) focused on security and correctness in URL handling within mautic/mautic. Delivered a targeted bug fix that refactors the HTTPS check in the URL validation logic to improve clarity and ensure secure URL handling, preventing non-HTTPS URLs from being accepted. The change includes a code quality improvement (CS fix) to align with project standards and reduce technical debt.
1 Commits
Feb 1, 2026February 2026 (2026-02) focused on security and correctness in URL handling within mautic/mautic. Delivered a targeted bug fix that refactors the HTTPS check in the URL validation logic to improve clarity and ensure secure URL handling, preventing non-HTTPS URLs from being accepted. The change includes a code quality improvement (CS fix) to align with project standards and reduce technical debt.
February 2026
January 2026
3 Commits • 3 Features
Jan 1, 2026January 2026 focused on privacy compliance, modernization, and reliability. Delivered privacy-forward data purge for Do-Not-Sell IP addresses, completed a PHP 8.1 upgrade with deprecations resolved and serialization tests, and enhanced user-facing form behavior for Focus Items. All changes were reinforced by targeted tests to ensure correctness and reduce risk.
January 2026
3 Commits • 3 Features
Jan 1, 2026January 2026 focused on privacy compliance, modernization, and reliability. Delivered privacy-forward data purge for Do-Not-Sell IP addresses, completed a PHP 8.1 upgrade with deprecations resolved and serialization tests, and enhanced user-facing form behavior for Focus Items. All changes were reinforced by targeted tests to ensure correctness and reduce risk.
December 2025
9 Commits • 2 Features
Dec 1, 2025December 2025 (mautic/mautic) delivered key feature improvements and reliability hardening with a focus on data correctness, security, and rendering robustness. Key features delivered include URL and Query Handling Improvements and Data Export Robustness. Major bugs fixed targeted analytics access control, CRM integration reliability, and dynamic content rendering. Overall, the month improved data integrity, user privacy protections, and platform resilience, enabling safer data exports, more reliable external integrations, and fewer rendering errors across dynamic pages.
9 Commits • 2 Features
Dec 1, 2025December 2025 (mautic/mautic) delivered key feature improvements and reliability hardening with a focus on data correctness, security, and rendering robustness. Key features delivered include URL and Query Handling Improvements and Data Export Robustness. Major bugs fixed targeted analytics access control, CRM integration reliability, and dynamic content rendering. Overall, the month improved data integrity, user privacy protections, and platform resilience, enabling safer data exports, more reliable external integrations, and fewer rendering errors across dynamic pages.
December 2025
November 2025
1 Commits • 1 Features
Nov 1, 2025Concise monthly summary for 2025-11 focusing on business value and technical achievements for mautic/mautic.
November 2025
1 Commits • 1 Features
Nov 1, 2025Concise monthly summary for 2025-11 focusing on business value and technical achievements for mautic/mautic.
October 2025
1 Commits
Oct 1, 2025Oct 2025 — mautic/mautic monthly summary focused on stabilizing date range handling across API and UI. Delivered a critical bug fix introducing setTimeIfMissing to ensure time components exist in date strings, aligning dateFrom/dateTo defaults with full-day UI ranges while preserving times for API calls. Added comprehensive unit and functional tests. PR 2774 (MAUT-13052) merged with commit 9b0160a5aee7ca6807b30820fc7f78aa0814cb81. No new features shipped this month; primary business value comes from improved data accuracy, reliability, and user experience under date-based queries.
1 Commits
Oct 1, 2025Oct 2025 — mautic/mautic monthly summary focused on stabilizing date range handling across API and UI. Delivered a critical bug fix introducing setTimeIfMissing to ensure time components exist in date strings, aligning dateFrom/dateTo defaults with full-day UI ranges while preserving times for API calls. Added comprehensive unit and functional tests. PR 2774 (MAUT-13052) merged with commit 9b0160a5aee7ca6807b30820fc7f78aa0814cb81. No new features shipped this month; primary business value comes from improved data accuracy, reliability, and user experience under date-based queries.
October 2025
September 2025
5 Commits • 3 Features
Sep 1, 2025September 2025 monthly summary focusing on key accomplishments and business value for mautic/mautic. Delivered stability improvements for campaigns and form fields, introduced extensible event-based entity mappings, ensured atomic campaign execution to prevent duplicates, and enhanced development/deployment tooling with Docker and environment setup. Addressed translation string issues and orphan event errors in form campaigns, enabling more reliable user experiences. Also established groundwork for future extensibility and streamlined DevX to support faster iteration cycles.
September 2025
5 Commits • 3 Features
Sep 1, 2025September 2025 monthly summary focusing on key accomplishments and business value for mautic/mautic. Delivered stability improvements for campaigns and form fields, introduced extensible event-based entity mappings, ensured atomic campaign execution to prevent duplicates, and enhanced development/deployment tooling with Docker and environment setup. Addressed translation string issues and orphan event errors in form campaigns, enabling more reliable user experiences. Also established groundwork for future extensibility and streamlined DevX to support faster iteration cycles.
August 2025
2 Commits • 2 Features
Aug 1, 2025August 2025 performance snapshot for mautic/mautic: Delivered two major enhancements that improve entity organization and audience targeting, along with targeted fixes that stabilize lead segmentation workflows.
2 Commits • 2 Features
Aug 1, 2025August 2025 performance snapshot for mautic/mautic: Delivered two major enhancements that improve entity organization and audience targeting, along with targeted fixes that stabilize lead segmentation workflows.
August 2025
July 2025
1 Commits
Jul 1, 2025July 2025 — Reliability and quality improvements for mautic/mautic. Addressed a page hit warning by refining the latest-hit retrieval logic and ensuring that parameters are correctly structured. Added a functional test to validate the point action helper's hit validation based on time constraints. Delivered via PR 2650 (MAUT-12728) with commit 3c28a3978861c821e86366e3de11b0865543ddb2. This work reduces warning noise, improves hit data accuracy, and strengthens test coverage for analytics reliability.
July 2025
1 Commits
Jul 1, 2025July 2025 — Reliability and quality improvements for mautic/mautic. Addressed a page hit warning by refining the latest-hit retrieval logic and ensuring that parameters are correctly structured. Added a functional test to validate the point action helper's hit validation based on time constraints. Delivered via PR 2650 (MAUT-12728) with commit 3c28a3978861c821e86366e3de11b0865543ddb2. This work reduces warning noise, improves hit data accuracy, and strengthens test coverage for analytics reliability.
May 2025
3 Commits • 2 Features
May 1, 2025Concise May 2025 monthly summary focused on business value and technical achievements for mautic/mautic. Highlights delivered features that improve organization and dashboard performance, and demonstrates end-to-end implementation skills across bundles, entities, controllers, and migrations.
3 Commits • 2 Features
May 1, 2025Concise May 2025 monthly summary focused on business value and technical achievements for mautic/mautic. Highlights delivered features that improve organization and dashboard performance, and demonstrates end-to-end implementation skills across bundles, entities, controllers, and migrations.
May 2025
April 2025
14 Commits • 6 Features
Apr 1, 2025April 2025 monthly summary for mautic/mautic: Delivered core dependency upgrades and ecosystem modernization, removed legacy components (API rate limiter and RabbitMQ), documented 7.0 upgrade path, reintroduced doctrine_result_cache with in-memory adapter, migrated validation metadata to PHP attributes, aligned typing for Symfony 7 and set the default authentication manager. These changes reduce maintenance burden, improve security, and accelerate upgrade readiness while simplifying deployment.
April 2025
14 Commits • 6 Features
Apr 1, 2025April 2025 monthly summary for mautic/mautic: Delivered core dependency upgrades and ecosystem modernization, removed legacy components (API rate limiter and RabbitMQ), documented 7.0 upgrade path, reintroduced doctrine_result_cache with in-memory adapter, migrated validation metadata to PHP attributes, aligned typing for Symfony 7 and set the default authentication manager. These changes reduce maintenance burden, improve security, and accelerate upgrade readiness while simplifying deployment.
March 2025
10 Commits
Mar 1, 20252025-03 monthly summary for mautic/mautic: Reliability and quality improvements across forms, defaults, and the test suite. Key features/bugs delivered include: 1) Company Information Form Update Reliability — refactored form field mapping, ensured correct company/contact data updates, and added functional tests; 2) Campaign-based flag default restoration — reverted to default true and aligned API test payload; 3) Test Suite Stability and Static Analysis Fixes — addressed PHPStan warnings, Rector/PHPUnit upgrades, and test mock/callback improvements. Overall impact: improved data integrity, safer deployments, and a more maintainable codebase. Technologies/skills demonstrated: PHP, PHPStan, Rector, PHPUnit, Composer tools, functional testing, and code quality automation.
10 Commits
Mar 1, 20252025-03 monthly summary for mautic/mautic: Reliability and quality improvements across forms, defaults, and the test suite. Key features/bugs delivered include: 1) Company Information Form Update Reliability — refactored form field mapping, ensured correct company/contact data updates, and added functional tests; 2) Campaign-based flag default restoration — reverted to default true and aligned API test payload; 3) Test Suite Stability and Static Analysis Fixes — addressed PHPStan warnings, Rector/PHPUnit upgrades, and test mock/callback improvements. Overall impact: improved data integrity, safer deployments, and a more maintainable codebase. Technologies/skills demonstrated: PHP, PHPStan, Rector, PHPUnit, Composer tools, functional testing, and code quality automation.
March 2025
February 2025
3 Commits • 1 Features
Feb 1, 2025February 2025 (2025-02) — mautic/mautic: Focused on frontend simplification and upgrade-readiness. Delivered UI library dependency cleanup by removing unused CodeMirror, Froala, and ModernizrJS, eliminated legacy builder references, and documented upgrade steps in UPGRADE-6.0.md. No major bugs fixed this month; the work reduces risk, minimizes maintenance surface, and smooths the upgrade path. Demonstrated competencies in frontend asset management, dependency cleanup, and documentation for operational continuity.
February 2025
3 Commits • 1 Features
Feb 1, 2025February 2025 (2025-02) — mautic/mautic: Focused on frontend simplification and upgrade-readiness. Delivered UI library dependency cleanup by removing unused CodeMirror, Froala, and ModernizrJS, eliminated legacy builder references, and documented upgrade steps in UPGRADE-6.0.md. No major bugs fixed this month; the work reduces risk, minimizes maintenance surface, and smooths the upgrade path. Demonstrated competencies in frontend asset management, dependency cleanup, and documentation for operational continuity.
January 2025
16 Commits • 2 Features
Jan 1, 2025January 2025 performance highlights for mautic/mautic. Delivered frontend cleanup, UX refinements, and stability improvements that reduce technical debt, improve user experience, and strengthen platform reliability. Focused work reduced legacy dependencies, modernized Twig rendering, and stabilized test coverage, while ensuring backend correctness for email handling.
16 Commits • 2 Features
Jan 1, 2025January 2025 performance highlights for mautic/mautic. Delivered frontend cleanup, UX refinements, and stability improvements that reduce technical debt, improve user experience, and strengthen platform reliability. Focused work reduced legacy dependencies, modernized Twig rendering, and stabilized test coverage, while ensuring backend correctness for email handling.
January 2025
December 2024
20 Commits • 3 Features
Dec 1, 2024December 2024 monthly highlights for mautic/mautic focused on stability, code quality, and business value. Delivered targeted features and critical fixes to improve campaign reliability, user experience, and maintainability. Key outcomes include removal of the deprecated Gated Video feature, stronger publish permission controls, and improved robustness in campaign execution and redirect handling. Completed a broad code quality uplift with PHPStan/Rector v2, type-safety refactors, and updated tests across bundles, reducing technical debt and elevating developer velocity.
December 2024
20 Commits • 3 Features
Dec 1, 2024December 2024 monthly highlights for mautic/mautic focused on stability, code quality, and business value. Delivered targeted features and critical fixes to improve campaign reliability, user experience, and maintainability. Key outcomes include removal of the deprecated Gated Video feature, stronger publish permission controls, and improved robustness in campaign execution and redirect handling. Completed a broad code quality uplift with PHPStan/Rector v2, type-safety refactors, and updated tests across bundles, reducing technical debt and elevating developer velocity.
November 2024
17 Commits • 2 Features
Nov 1, 2024November 2024 monthly summary for mautic/mautic. Focused on delivering user-facing features, stabilizing UI behavior, and strengthening test/infrastructure to support ongoing platform upgrades. Key outcomes include enhanced email customization via unsubscribe/resubscribe tokens, improved filter UX with Copy Filter Group, robust 404 handling, a reliable Is campaign based? toggle, and foundational platform upgrades with Symfony/Twig compatibility and expanded test coverage.
17 Commits • 2 Features
Nov 1, 2024November 2024 monthly summary for mautic/mautic. Focused on delivering user-facing features, stabilizing UI behavior, and strengthening test/infrastructure to support ongoing platform upgrades. Key outcomes include enhanced email customization via unsubscribe/resubscribe tokens, improved filter UX with Copy Filter Group, robust 404 handling, a reliable Is campaign based? toggle, and foundational platform upgrades with Symfony/Twig compatibility and expanded test coverage.
November 2024
October 2024
2 Commits • 1 Features
Oct 1, 2024October 2024 performance summary for mautic/mautic focusing on delivering measurable business value and maintaining a robust test suite. Key features delivered this month include a new resubscribe_url token integrated into the email builder, backend email processing, and associated tests, enabling users to directly manage subscription preferences. Additionally, DateHelper test stability was improved to ensure reliable date-related functionality. These efforts enhance user control over subscriptions and increase CI reliability for email-related features.
October 2024
2 Commits • 1 Features
Oct 1, 2024October 2024 performance summary for mautic/mautic focusing on delivering measurable business value and maintaining a robust test suite. Key features delivered this month include a new resubscribe_url token integrated into the email builder, backend email processing, and associated tests, enabling users to directly manage subscription preferences. Additionally, DateHelper test stability was improved to ensure reliable date-related functionality. These efforts enhance user control over subscriptions and increase CI reliability for email-related features.
February 2023
1 Commits • 1 Features
Feb 1, 2023February 2023: Key security feature delivered for mautic/mautic — S/MIME Email Signing. Implemented signing and verification of outbound emails with S/MIME certificates, added helper classes, and updated the email handling pipeline. No explicit major bug fixes were documented this month in the dataset. This work strengthens trust and compliance for enterprise email, and demonstrates solid back-end design and integration skills.
1 Commits • 1 Features
Feb 1, 2023February 2023: Key security feature delivered for mautic/mautic — S/MIME Email Signing. Implemented signing and verification of outbound emails with S/MIME certificates, added helper classes, and updated the email handling pipeline. No explicit major bug fixes were documented this month in the dataset. This work strengthens trust and compliance for enterprise email, and demonstrates solid back-end design and integration skills.
February 2023
November 2021
1 Commits • 1 Features
Nov 1, 2021November 2021 (mautic/mautic): Implemented automatic population of the 'date_modified' field on entity creation and updates, including corresponding database schema changes and tests. This work enhances data integrity, auditing, and query performance by ensuring reliable modification timestamps and supporting indexing.
November 2021
1 Commits • 1 Features
Nov 1, 2021November 2021 (mautic/mautic): Implemented automatic population of the 'date_modified' field on entity creation and updates, including corresponding database schema changes and tests. This work enhances data integrity, auditing, and query performance by ensuring reliable modification timestamps and supporting indexing.
October 2021
2 Commits
Oct 1, 2021Month: 2021-10 — Performance Review Summary Overview: Focused on stabilizing Page Hit event processing in multi-campaign environments by ensuring per-campaign contact rotation isolation, improving data integrity and system reliability for campaign analytics. Key features delivered / major fixes: - Cross-Campaign Contact Rotation Integrity in Page Hit Events (bug): Fixed 500 errors when multiple campaigns had Page Hit events by isolating and correctly associating contact rotations per campaign. Refined rotation handling in EventLogger to prevent interference between campaigns. Added regression test to ensure rotations do not conflict across campaigns. - Code integration: Merged MAUT-6401 changes via PR #1526 (commits included below) to align rotation logic with campaign isolation requirements. Commits (representative): - 063461d05e3b042187f76bd8e82e179226dbabcd - d82556aefc46f007b1db0689132cda641e736ad6 Impact / Accomplishments: - Reduced error rate in Page Hit processing for multi-campaign scenarios, leading to more reliable campaign measurement and reporting. - Improved data integrity by ensuring rotations are scoped to individual campaigns, preventing cross-campaign leakage of contact state. - Strengthened testing with a regression suite to guard against future cross-campaign rotation conflicts. Technologies / skills demonstrated: - PHP back-end refinement and event logging improvements (EventLogger). - Regression testing and test coverage for EventLogger behavior. - Version control via PR-based workflows and multi-commit merges. Business value: - Higher reliability and accuracy of campaign analytics, reducing operational risk and improving marketer confidence in cross-campaign performance data.
2 Commits
Oct 1, 2021Month: 2021-10 — Performance Review Summary Overview: Focused on stabilizing Page Hit event processing in multi-campaign environments by ensuring per-campaign contact rotation isolation, improving data integrity and system reliability for campaign analytics. Key features delivered / major fixes: - Cross-Campaign Contact Rotation Integrity in Page Hit Events (bug): Fixed 500 errors when multiple campaigns had Page Hit events by isolating and correctly associating contact rotations per campaign. Refined rotation handling in EventLogger to prevent interference between campaigns. Added regression test to ensure rotations do not conflict across campaigns. - Code integration: Merged MAUT-6401 changes via PR #1526 (commits included below) to align rotation logic with campaign isolation requirements. Commits (representative): - 063461d05e3b042187f76bd8e82e179226dbabcd - d82556aefc46f007b1db0689132cda641e736ad6 Impact / Accomplishments: - Reduced error rate in Page Hit processing for multi-campaign scenarios, leading to more reliable campaign measurement and reporting. - Improved data integrity by ensuring rotations are scoped to individual campaigns, preventing cross-campaign leakage of contact state. - Strengthened testing with a regression suite to guard against future cross-campaign rotation conflicts. Technologies / skills demonstrated: - PHP back-end refinement and event logging improvements (EventLogger). - Regression testing and test coverage for EventLogger behavior. - Version control via PR-based workflows and multi-commit merges. Business value: - Higher reliability and accuracy of campaign analytics, reducing operational risk and improving marketer confidence in cross-campaign performance data.
October 2021
Activity
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Quality Metrics
Correctness88.6%
Maintainability87.2%
Architecture83.0%
Performance81.8%
AI Usage22.6%
Skills & Technologies
Programming Languages
BashCSSHTMLINIJSONJavaScriptLESSLessMarkdownPHP
Technical Skills
API DevelopmentAccessibilityAutomated TestingBackend DevelopmentCI/CDCRM integrationCSSCachingCampaign ManagementCode CleanupCode FormattingCode QualityCode RefactoringCode StyleCommand Line Interface (CLI)
Repositories Contributed To
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