pretix/pretix
Nov 2024 – Jun 2026
18 Months active
Languages Used
HTMLPythonSVGPORSTrstJavaScriptSCSS
Technical Skills
Backend DevelopmentFrontend DevelopmentPayment Gateway IntegrationStripe APIUI/UX ImprovementAPI Development
Martin Gross
PROFILE
Martin Gross
Over 18 months, contributed to pretix/pretix by building and refining features across payment integration, API development, and internationalization. Delivered robust payment workflows by integrating Stripe and PayPal methods, improving transaction reliability, and enhancing security through safe secret handling and permission modeling. Improved the Check-in API with reusable media exchange and clearer error messaging, while strengthening backend reliability with Django and Python. Enhanced user experience and accessibility in the checkout flow using HTML and CSS, and maintained comprehensive API documentation and localization, including full German translation coverage. Prioritized code quality, maintainability, and developer experience through targeted bug fixes and documentation improvements.
Overall Statistics
Feature vs Bugs
63%Features
Repository Contributions
53Total
Bugs
15
Commits
53
Features
26
Lines of code
1,930
Activity Months18
Your Network
163 peopleSame Organization
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Work History
June 2026
2 Commits • 1 Features
Jun 1, 2026June 2026: Core focus on enabling reusable media exchange in the Check-in API (pretix/pretix), strengthening error messaging, policy enforcement, and API quality. Delivered a reusable media exchange flow, clarified error responses with a new reason field, and tightened media policy controls. Contributed to security governance and code quality through serializer updates, security profile adjustments, and review-driven improvements.
2 Commits • 1 Features
Jun 1, 2026June 2026: Core focus on enabling reusable media exchange in the Check-in API (pretix/pretix), strengthening error messaging, policy enforcement, and API quality. Delivered a reusable media exchange flow, clarified error responses with a new reason field, and tightened media policy controls. Contributed to security governance and code quality through serializer updates, security profile adjustments, and review-driven improvements.
June 2026
May 2026
4 Commits • 2 Features
May 1, 2026Monthly summary for 2026-05 focusing on internationalization, API docs, and UI reliability for pretix/pretix. Key highlights include completing German informal translations with 100% string coverage (256 strings for pretix/pretix-js; 6295 strings for pretix/pretix), updating translator information and the translation generator for ongoing quality; enhancing Exhibitor API documentation to clarify voucher retrieval and structure; and fixing a gate selection URL typo to restore proper UI functionality. These contributions improved global readiness, developer experience, and front-end reliability, contributing to faster onboarding for partners and reduced support overhead.
May 2026
4 Commits • 2 Features
May 1, 2026Monthly summary for 2026-05 focusing on internationalization, API docs, and UI reliability for pretix/pretix. Key highlights include completing German informal translations with 100% string coverage (256 strings for pretix/pretix-js; 6295 strings for pretix/pretix), updating translator information and the translation generator for ongoing quality; enhancing Exhibitor API documentation to clarify voucher retrieval and structure; and fixing a gate selection URL typo to restore proper UI functionality. These contributions improved global readiness, developer experience, and front-end reliability, contributing to faster onboarding for partners and reduced support overhead.
April 2026
1 Commits
Apr 1, 2026April 2026 (2026-04) – pretix/pretix: Key features delivered: None this month. Major bugs fixed: ISU Write Access Permission Enforcement — Updated permission checks so that ISU actions require event.settings.payment:write rather than event.settings.general:write, strengthening security and access control. Commit 0f2ebb8687e56ce3fd3961d5480968af14c283e1 (PPv2: Fix permission-check for ISU (event.settings.general:write to event.settings.payment:write)). Overall impact and accomplishments: Implemented least-privilege control to prevent unauthorized ISU writes, reducing risk of misconfiguration in payment-related settings and improving data integrity for revenue workflows. Technologies/skills demonstrated: Backend permission modeling, access-control enforcement, Python code changes, security-focused testing and code review.
1 Commits
Apr 1, 2026April 2026 (2026-04) – pretix/pretix: Key features delivered: None this month. Major bugs fixed: ISU Write Access Permission Enforcement — Updated permission checks so that ISU actions require event.settings.payment:write rather than event.settings.general:write, strengthening security and access control. Commit 0f2ebb8687e56ce3fd3961d5480968af14c283e1 (PPv2: Fix permission-check for ISU (event.settings.general:write to event.settings.payment:write)). Overall impact and accomplishments: Implemented least-privilege control to prevent unauthorized ISU writes, reducing risk of misconfiguration in payment-related settings and improving data integrity for revenue workflows. Technologies/skills demonstrated: Backend permission modeling, access-control enforcement, Python code changes, security-focused testing and code review.
April 2026
March 2026
2 Commits • 1 Features
Mar 1, 2026March 2026 monthly summary for pretix/pretix: Focused on payment platform improvements with Stripe plugin updates to reflect new supported methods and branding changes for iDEAL; expanded payment method coverage and ensured branding consistency across the checkout UI. No major bug fixes documented in this period; work prioritized reliability, vendor compatibility, and merchant clarity, contributing to higher payment acceptance and smoother checkout flows.
March 2026
2 Commits • 1 Features
Mar 1, 2026March 2026 monthly summary for pretix/pretix: Focused on payment platform improvements with Stripe plugin updates to reflect new supported methods and branding changes for iDEAL; expanded payment method coverage and ensured branding consistency across the checkout UI. No major bug fixes documented in this period; work prioritized reliability, vendor compatibility, and merchant clarity, contributing to higher payment acceptance and smoother checkout flows.
February 2026
9 Commits • 3 Features
Feb 1, 2026Concise monthly summary for 2026-02 focusing on business value, reliability, and foundational improvements across payments and code quality. Delivered new payment option in private beta, improved payment flow robustness, and hardened security and code hygiene. These changes reduce risk, expand merchant capability, and improve user experience.
9 Commits • 3 Features
Feb 1, 2026Concise monthly summary for 2026-02 focusing on business value, reliability, and foundational improvements across payments and code quality. Delivered new payment option in private beta, improved payment flow robustness, and hardened security and code hygiene. These changes reduce risk, expand merchant capability, and improve user experience.
February 2026
December 2025
1 Commits
Dec 1, 2025December 2025: Focused on documentation quality for pretix/pretix. Delivered a targeted spelling fix in the If-Modified-Since header documentation, improving API clarity and reducing potential confusion for integrators. This work, while small in scope, enhances maintainability and supports onboarding for developers relying on accurate header docs.
December 2025
1 Commits
Dec 1, 2025December 2025: Focused on documentation quality for pretix/pretix. Delivered a targeted spelling fix in the If-Modified-Since header documentation, improving API clarity and reducing potential confusion for integrators. This work, while small in scope, enhances maintainability and supports onboarding for developers relying on accurate header docs.
November 2025
1 Commits • 1 Features
Nov 1, 2025Month: 2025-11 — Key accomplishments include the Cart Fees Description Enhancement in pretix/pretix. This feature displays a custom description for fees of type 'other' in the cart fragment when available, clarifying additional charges for users and aligning cart behavior with invoices. The change is implemented in the cart fragment (commit 2fc7c239609dcd2b62126efbc63924d8cfd5b173). Major bugs fixed: none reported this month. Overall impact: improved pricing transparency at checkout, reduced potential user confusion and support queries, and strengthened cross-module consistency. Technologies/skills demonstrated: frontend fragment rendering, conditional data display, reuse of existing invoice description logic, and thorough Git-based change tracking.
1 Commits • 1 Features
Nov 1, 2025Month: 2025-11 — Key accomplishments include the Cart Fees Description Enhancement in pretix/pretix. This feature displays a custom description for fees of type 'other' in the cart fragment when available, clarifying additional charges for users and aligning cart behavior with invoices. The change is implemented in the cart fragment (commit 2fc7c239609dcd2b62126efbc63924d8cfd5b173). Major bugs fixed: none reported this month. Overall impact: improved pricing transparency at checkout, reduced potential user confusion and support queries, and strengthened cross-module consistency. Technologies/skills demonstrated: frontend fragment rendering, conditional data display, reuse of existing invoice description logic, and thorough Git-based change tracking.
November 2025
October 2025
3 Commits • 2 Features
Oct 1, 2025October 2025 monthly summary for pretix/pretix focusing on delivery accuracy, performance optimization, and UX improvements. Key features delivered and bugs fixed include: (1) a bug fix in Order Change Manager to correctly compute remaining items by excluding already canceled addons, preventing double-counting and ensuring accurate order status reporting; (2) a performance-driven refactor to SubEvent so item_overrides and var_overrides are prefetchable via new managers, enabling prefetch_related and reducing query overhead; (3) a UX enhancement to unify unlock flows so a payment method can be unlocked while redeeming a voucher in a single step, streamlining the user experience. Overall impact includes improved order data accuracy, faster page loads for events with complex overrides, and a smoother checkout experience, contributing to higher conversion and reduced support friction. Technologies demonstrated include Django ORM optimizations (prefetch_related), model manager refactors, and UX-flow orchestration.
October 2025
3 Commits • 2 Features
Oct 1, 2025October 2025 monthly summary for pretix/pretix focusing on delivery accuracy, performance optimization, and UX improvements. Key features delivered and bugs fixed include: (1) a bug fix in Order Change Manager to correctly compute remaining items by excluding already canceled addons, preventing double-counting and ensuring accurate order status reporting; (2) a performance-driven refactor to SubEvent so item_overrides and var_overrides are prefetchable via new managers, enabling prefetch_related and reducing query overhead; (3) a UX enhancement to unify unlock flows so a payment method can be unlocked while redeeming a voucher in a single step, streamlining the user experience. Overall impact includes improved order data accuracy, faster page loads for events with complex overrides, and a smoother checkout experience, contributing to higher conversion and reduced support friction. Technologies demonstrated include Django ORM optimizations (prefetch_related), model manager refactors, and UX-flow orchestration.
September 2025
2 Commits • 1 Features
Sep 1, 2025Concise monthly summary for 2025-09 highlighting key product contributions in pretix/pretix. The month focused on stability improvements and API enhancements that enable broader device-token workflows, with a strong emphasis on dependency management and permission model hardening.
2 Commits • 1 Features
Sep 1, 2025Concise monthly summary for 2025-09 highlighting key product contributions in pretix/pretix. The month focused on stability improvements and API enhancements that enable broader device-token workflows, with a strong emphasis on dependency management and permission model hardening.
September 2025
August 2025
1 Commits
Aug 1, 2025August 2025 monthly summary for pretix/pretix focusing on reliability and maintenance. No new features delivered this month. A critical bug fix was implemented in the Sendmail plugin to correct pending/overdue status filtering and added a database migration to accommodate legacy status codes, improving accuracy and reliability of scheduled emails.
August 2025
1 Commits
Aug 1, 2025August 2025 monthly summary for pretix/pretix focusing on reliability and maintenance. No new features delivered this month. A critical bug fix was implemented in the Sendmail plugin to correct pending/overdue status filtering and added a database migration to accommodate legacy status codes, improving accuracy and reliability of scheduled emails.
July 2025
6 Commits • 6 Features
Jul 1, 2025July 2025: Delivered a set of UX, security, and API enhancements in pretix/pretix that improve usability, resilience, and extensibility while strengthening secret handling and API capabilities. The work aligns with business goals of reducing support friction, enabling new integration scenarios, and maintaining robust event management functionality.
6 Commits • 6 Features
Jul 1, 2025July 2025: Delivered a set of UX, security, and API enhancements in pretix/pretix that improve usability, resilience, and extensibility while strengthening secret handling and API capabilities. The work aligns with business goals of reducing support friction, enabling new integration scenarios, and maintaining robust event management functionality.
July 2025
May 2025
6 Commits • 3 Features
May 1, 2025May 2025 monthly summary for pretix/pretix: Delivered reliability fixes, UI/UX improvements, localization updates, and code cleanup, enabling a more robust checkout flow and maintainable codebase. Key deliverables: 1) Payment Processing Reliability: wrap _execute_payment in a transaction.atomic and catch PaymentException to prevent unintended rollbacks and ensure failures are recorded (commit 2ce9584a). 2) Checkout UI and Accessibility: center Font Awesome icon in step-done and replace sr-only with hidden CSS for WebAuthN accessibility (commits 54e222..., 465171f...). 3) UI Text and Translation Improvements: polish messages and update Korean translations (commits 5659cc0..., 84a909b...). 4) Codebase Minor Cleanup: clean up code comments (commit 105b488...).
May 2025
6 Commits • 3 Features
May 1, 2025May 2025 monthly summary for pretix/pretix: Delivered reliability fixes, UI/UX improvements, localization updates, and code cleanup, enabling a more robust checkout flow and maintainable codebase. Key deliverables: 1) Payment Processing Reliability: wrap _execute_payment in a transaction.atomic and catch PaymentException to prevent unintended rollbacks and ensure failures are recorded (commit 2ce9584a). 2) Checkout UI and Accessibility: center Font Awesome icon in step-done and replace sr-only with hidden CSS for WebAuthN accessibility (commits 54e222..., 465171f...). 3) UI Text and Translation Improvements: polish messages and update Korean translations (commits 5659cc0..., 84a909b...). 4) Codebase Minor Cleanup: clean up code comments (commit 105b488...).
April 2025
1 Commits
Apr 1, 2025April 2025: Focused on documenting accuracy for the Certificate Retrieval API in pretix/pretix. Corrected the API endpoint path in the documentation by removing '/download' from the sample URL, ensuring docs reflect the actual endpoint behavior and reducing potential developer confusion. The change was committed as 94671f6f70790ef59f5f5bd714c3ad2a1783e7dc. No new features shipped this month; emphasis on quality and developer experience across the repository.
1 Commits
Apr 1, 2025April 2025: Focused on documenting accuracy for the Certificate Retrieval API in pretix/pretix. Corrected the API endpoint path in the documentation by removing '/download' from the sample URL, ensuring docs reflect the actual endpoint behavior and reducing potential developer confusion. The change was committed as 94671f6f70790ef59f5f5bd714c3ad2a1783e7dc. No new features shipped this month; emphasis on quality and developer experience across the repository.
April 2025
March 2025
1 Commits
Mar 1, 2025March 2025 — Pretix/pretix: Focus on calendar attachment reliability. Delivered a targeted bug fix to render iCal event descriptions as plain text in email attachments by switching the UI widget from I18nMarkdownTextarea to I18nTextarea. This eliminates unintended Markdown formatting in calendar invites, improving readability across locales and reducing support friction. Commit: de3fd54a271d88dc1d2ed1fa3ca86bc199dfc862; Tracker: Z#23184634.
March 2025
1 Commits
Mar 1, 2025March 2025 — Pretix/pretix: Focus on calendar attachment reliability. Delivered a targeted bug fix to render iCal event descriptions as plain text in email attachments by switching the UI widget from I18nMarkdownTextarea to I18nTextarea. This eliminates unintended Markdown formatting in calendar invites, improving readability across locales and reducing support friction. Commit: de3fd54a271d88dc1d2ed1fa3ca86bc199dfc862; Tracker: Z#23184634.
February 2025
2 Commits • 2 Features
Feb 1, 2025February 2025 monthly summary for pretix/pretix focusing on delivered features, notable improvements, and business impact. Highlights include UX improvements in the checkout flow and an extensibility enhancement via a new signal mechanism. No major bugs were reported for this period within the scoped work. The changes demonstrate solid execution on user experience, system extensibility, and developer experience.
2 Commits • 2 Features
Feb 1, 2025February 2025 monthly summary for pretix/pretix focusing on delivered features, notable improvements, and business impact. Highlights include UX improvements in the checkout flow and an extensibility enhancement via a new signal mechanism. No major bugs were reported for this period within the scoped work. The changes demonstrate solid execution on user experience, system extensibility, and developer experience.
February 2025
January 2025
6 Commits • 2 Features
Jan 1, 2025January 2025 monthly summary for pretix/pretix focused on reliability, localization, and flexible authentication flows. Delivered backlog items with business value: improved availability endpoint reliability, expanded German localization, safer invoice form behavior, and more accurate metrics collection, alongside enhanced OpenID Connect customization. The work demonstrates end-to-end capabilities in API reliability, i18n, dynamic UI logic, metrics instrumentation, and integration flexibility.
January 2025
6 Commits • 2 Features
Jan 1, 2025January 2025 monthly summary for pretix/pretix focused on reliability, localization, and flexible authentication flows. Delivered backlog items with business value: improved availability endpoint reliability, expanded German localization, safer invoice form behavior, and more accurate metrics collection, alongside enhanced OpenID Connect customization. The work demonstrates end-to-end capabilities in API reliability, i18n, dynamic UI logic, metrics instrumentation, and integration flexibility.
December 2024
1 Commits
Dec 1, 20242024-12 Monthly Summary for pretix/pretix focusing on reliability and integration quality in the payment workflow. Key outcome: Revolut Pay integration with the Stripe plugin was fixed to ensure correct recognition and processing by Stripe, improving gateway reliability and reducing potential payment errors.
1 Commits
Dec 1, 20242024-12 Monthly Summary for pretix/pretix focusing on reliability and integration quality in the payment workflow. Key outcome: Revolut Pay integration with the Stripe plugin was fixed to ensure correct recognition and processing by Stripe, improving gateway reliability and reducing potential payment errors.
December 2024
November 2024
4 Commits • 2 Features
Nov 1, 20242024-11 monthly summary for pretix/pretix focused on reliability, payment flexibility, and UX improvements. Key outcomes include improved PayPal webhook reliability, expanded Stripe-based payment methods with merchant configurability, and enhanced check-in UX through visual indicators. These efforts reduce erroneous captures, broaden merchant options, and improve operational clarity for event organizers.
November 2024
4 Commits • 2 Features
Nov 1, 20242024-11 monthly summary for pretix/pretix focused on reliability, payment flexibility, and UX improvements. Key outcomes include improved PayPal webhook reliability, expanded Stripe-based payment methods with merchant configurability, and enhanced check-in UX through visual indicators. These efforts reduce erroneous captures, broaden merchant options, and improve operational clarity for event organizers.
Activity
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Quality Metrics
Correctness93.2%
Maintainability94.6%
Architecture93.2%
Performance92.8%
AI Usage20.4%
Skills & Technologies
Programming Languages
Django Template LanguageHTMLJavaScriptPOPythonRSTSCSSSVGTOMLTypeScript
Technical Skills
API DesignAPI DevelopmentAPI DocumentationAPI developmentAccessibilityAuthenticationBackend DevelopmentCSSData ExportDatabase ManagementDatabase MigrationsDependency ManagementDjangoDocumentationError Handling
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline