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MiroslavDionisiev

PROFILE

Miroslavdionisiev

Miroslav contributed to the scratchfoundation/scratch-www and scratchfoundation/scratch-editor repositories, delivering user-facing features and infrastructure improvements over 11 months. He built onboarding flows, feedback systems, and manual thumbnail saving, while modernizing the frontend with React 18, React Router v6, and TypeScript. His work included API integration, accessibility enhancements, and internationalization support, such as locale-aware editor state and fallback warnings. Miroslav improved security by upgrading SVG sanitization and implemented robust CI/CD pipelines using GitHub Actions and shell scripting. His engineering demonstrated depth in dependency management, state management, and UI/UX design, resulting in more maintainable, secure, and user-friendly applications.

Overall Statistics

Feature vs Bugs

73%Features

Repository Contributions

123Total
Bugs
15
Commits
123
Features
41
Lines of code
50,531
Activity Months11

Work History

September 2025

3 Commits • 2 Features

Sep 1, 2025

September 2025 monthly summary for scratch-editor focusing on delivery, reliability, and impact. Implemented internationalization (i18n) readiness by adding locale support to EditorState with per-locale initialization and resource loading, plus a user-facing warning for unsupported locales to improve feedback. Refactored publish workflow to streamline builds and improve maintainability by extracting the jq command into a separate shell script, centralizing package.json modifications, ensuring the package name is correctly set, and removing unnecessary export configurations for standalone builds.

July 2025

8 Commits • 4 Features

Jul 1, 2025

July 2025 developer monthly summary focused on feature delivery, bug fixes, and operational improvements across scratch-editor and scratch-www. Highlights include user-facing functionality enhancements, privacy/compliance improvements, and pipeline stability efforts that collectively improve user value, data integrity, and release reliability.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025: Completed a prerelease upgrade of the SVG sanitization library in scratch-www, with dependencies and configuration updated to adopt latest fixes and features. No major bugs fixed this month; the focus was on security hygiene, stability, and laying groundwork for upcoming UI/content improvements. The upgrade reduces risk in content sanitization and aligns our tooling for faster, safer releases, demonstrating strong dependency management and release engineering.

May 2025

7 Commits • 3 Features

May 1, 2025

May 2025 delivered security and stability enhancements across scratch-editor and scratch-www, focusing on secure asset handling, CI/CD reliability, and GUI readiness for release. Implemented Secure SVG Asset Handling with enhanced sanitization to prevent external references, fixed asset loading issues, and added tests to validate sanitized outputs. Stabilized CI/CD by ensuring dependencies are installed before builds and standardizing the GitHub Action used for dependency installation after version bumps, reducing flaky builds. In scratch-www, upgraded GUI dependencies to the latest stable scratch-gui and updated GUI prerelease metadata to align with release planning. These changes reduce security risk, improve deployment reliability, and accelerate forthcoming product releases by enabling safer asset loading and more predictable build pipelines.

April 2025

16 Commits • 6 Features

Apr 1, 2025

April 2025 Performance Summary: Across scratch-www and scratch-editor, delivered targeted user experience improvements, strengthened testing and localization reliability, enhanced configurability, and advanced packaging/security capabilities, driving better engagement, deployment flexibility, and product security.

March 2025

12 Commits • 3 Features

Mar 1, 2025

March 2025 performance summary: Implemented major frontend modernization and comprehensive user feedback capabilities, delivering business value through improved UX data collection and more reliable deployments. Key feature deliveries include a React 18 upgrade and router v6 migration for scratch-www, and a qualitative feedback system with analytics. Major bugs fixed include feedback data text corrections and build/config stabilization. Overall impact includes better user insights, reduced maintenance risk, and faster iteration. Technologies demonstrated include React 18, react-router-dom v6, Formik, analytics integration, useOnClickOutside refactor, webpack, and CI/CD improvements.

February 2025

18 Commits • 2 Features

Feb 1, 2025

February 2025: Delivered key features and fixes across scratch-www and scratch-editor, focusing on onboarding UX, accessibility, API reliability, build hygiene, and testing infrastructure to strengthen business value and developer velocity. Notable outcomes include a more engaging Starter Projects page, robust API behavior for promotions, cleaner build configurations, and a more stable context menu UX and library integration with improved testing coverage.

January 2025

19 Commits • 10 Features

Jan 1, 2025

January 2025 performance summary: Delivered impactful frontend enhancements, stability fixes, and packaging/CI improvements across scratch-www and scratch-editor. Key features include Starter Projects Page redesign with a ProjectsCarousel and a Surprise Me option, donor recognition in the footer and improved main page rendering, and modal navigation UI polish. Major maintenance and reliability fixes include reverting incompatible Scratch-GUI changes for compatibility, Sass deprecation migration, and a focused set of infrastructure improvements. Dependency upgrades and modernization efforts include scratch-storage updates, useIntl-based internationalization, script robustness improvements, and packaging/CI enhancements to support reliable publishes. These efforts improve user experience, sponsor visibility, maintainability, and distribution reliability across the Scratch ecosystem.

December 2024

17 Commits • 4 Features

Dec 1, 2024

December 2024: Key feature deliveries, bug fixes, and maintenance across scratch-www and scratch-editor. Delivered YouTube video playlists and modal playback on the Ideas page (UEPR-116) with a dedicated playlist component, fullscreen support, and UI polish; added a flexible Ideas page banner that embeds the ideas project and updates welcome messaging (UEPR-121); fixed swapped Guides links (UEPR-88); performed routine maintenance including dependency updates (scratch-gui, scratch-storage), ROOT_URL defaults, and CI/CD root URL refinements; integrated Debug Modal UI into the main scratch-gui by centralizing styles and renaming CSS classes for better specificity in scratch-editor. Business value: enhanced content discovery and engagement on Ideas page, reduced navigation friction, more maintainable UI and deployment pipeline. Technologies/skills: React component modularization, UI polish, CSS/class naming, cross-repo integration, dependency and CI/CD configuration.

November 2024

19 Commits • 4 Features

Nov 1, 2024

For 2024-11, Scratch-www delivered a set of user-focused features and stability improvements that enhance discovery, onboarding, and accessibility, while laying groundwork for localization and maintainability. Key outcomes include a revamped Ideas Page with dedicated content sections and a guides modal, improved guidelines accessibility, stabilized onboarding configuration and A/B testing, an upgraded welcome experience, and centralized UI styling with i18n readiness. These efforts reduce onboarding friction, improve content engagement, and lower future maintenance costs.

October 2024

3 Commits • 2 Features

Oct 1, 2024

October 2024 monthly summary for scratch-www (scratchfoundation/scratch-www): Delivered two frontend enhancements with clear business value and maintained stability. Key features delivered: 1) Onboarding eligibility improvements: refined onboarding access control by updating eligibility logic to consider user permissions (admin, muted, banned) and renamed feature flag. Commits: f6b5253264c155fb7049c90a8f935b6229233600. 2) Guidelines page UI refresh with Learn More: restyled Community Guidelines page, improved navigation, added Learn More section linking to external resources, and updated link styling. Commits: 9134f6a2a652c0572e3f20e415dd41859e7c895d; fc97fa63096d4fff51a0c9d6796bb2ad8917972f. Major bugs fixed: none reported this period. Overall impact and accomplishments: enhanced onboarding accuracy and policy guidance, leading to a smoother user experience and reduced support friction; improved developer velocity through targeted frontend refactors with clear traceability. Technologies/skills demonstrated: frontend UI/UX improvements, permissions-based access control, feature flag management, and integration of external resources.

Activity

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Quality Metrics

Correctness89.6%
Maintainability90.6%
Architecture84.2%
Performance85.4%
AI Usage21.2%

Skills & Technologies

Programming Languages

BashCSSHTMLJSONJSXJavaScriptMarkdownSCSSSVGShell

Technical Skills

API IntegrationAccessibilityAnalyticsAsset LoadingBuild AutomationBuild ConfigurationBuild ProcessBuild SystemsBuild ToolsCI/CDCSSCSS PreprocessingChoreCode MaintenanceCode Organization

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

scratchfoundation/scratch-www

Oct 2024 Jul 2025
10 Months active

Languages Used

JSXJavaScriptSCSSYAMLCSSHTMLSVGJSON

Technical Skills

CI/CDCSSConfiguration ManagementFront End DevelopmentJavaScriptReact

scratchfoundation/scratch-editor

Dec 2024 Sep 2025
8 Months active

Languages Used

CSSJSXJavaScriptSVGBashHTMLJSONMarkdown

Technical Skills

CSSComponent RefactoringFrontend DevelopmentReactBuild SystemsCI/CD

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