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EYHN

PROFILE

Eyhn

Cneyhn developed and maintained core features for the toeverything/AFFiNE repository, focusing on cross-platform document management, real-time collaboration, and cloud integration. They engineered solutions such as a robust synchronization engine, advanced search with cloud indexing, and a modular paywall system for iOS, using TypeScript, Swift, and React. Their work included backend refactoring, API design, and performance optimizations, addressing reliability and scalability across web, desktop, and mobile. By implementing features like battery save mode, audit trails, and localization, Cneyhn improved user experience and system resilience. The depth of their contributions reflects strong architectural insight and practical problem-solving skills.

Overall Statistics

Feature vs Bugs

59%Features

Repository Contributions

259Total
Bugs
78
Commits
259
Features
114
Lines of code
100,382
Activity Months12

Work History

September 2025

4 Commits • 3 Features

Sep 1, 2025

September 2025 for toeverything/AFFiNE focused on monetization, cloud workspace access, and iOS UX improvements. Delivered a new iOS Paywall plugin with a simple API and JS wrapper, integrated MCP Server for Cloud Workspaces with token management and config generation, and enhanced iOS Subscriptions and Paywall with a Settings section, native paywall integration for Pro/AI, and on-demand refresh. Reorganized iOS plugin project structure and removed unused legacy plugins to reduce technical debt. Result: improved monetization reliability, streamlined token management, better localization, and a more cohesive iOS experience.

August 2025

6 Commits • 2 Features

Aug 1, 2025

Month: 2025-08. This month, the AFFiNE team delivered cross-device Battery Save Mode enhancements with document summarization support, explicit pause/resume controls for sync, improved job prioritization, refinements to sync/indexing, and UI/navigation/preview updates, along with enhanced state logging for easier troubleshooting. We also enabled the AI button by default on iOS by removing the canary limitation and updating the mobile feature availability configuration. Additionally, we addressed stability and reliability issues: Android WebView now supports mixed content and upload timestamps are robust when uploadedAt data is missing, and the editor’s right-click behavior on reference elements was stabilized to prevent unintended actions. These changes collectively improve battery efficiency, feature accessibility, upload reliability, and editor usability, contributing to higher user satisfaction and retention, while showcasing cross-platform engineering, mobile feature configuration, and robust logging.

July 2025

33 Commits • 10 Features

Jul 1, 2025

July 2025 Monthly Summary (AFFiNE and osu) — Focused on stabilizing the core experience, delivering targeted feature polish, and improving cross‑platform release quality. The work drove measurable business value: reduced crashes, faster local search, cleaner notifications, and stronger release processes, while maintaining robust beatmap handling in osu. Key features delivered: - AFFiNE Core: Stability fixes addressing client crash, migrate filter list error, shared mode permission check, avoiding unnecessary workspace fetch on shared page, and infinite sign‑in with self-host. - AFFiNE Core: Feature enhancements including missing affine version header in server config, quick local search, improved save mode, and clear all notifications. - CI/CD and platform readiness: Xcode upgrade for iOS builds (with subsequent revert) to align with latest tooling while maintaining stability. - iOS/Android platform improvements: enabling stable iOS release, fixed iOS version handling, added hidden iOS version variant, and Android build error fix. - AFFiNE Core Navigation & Journaling UX: show server name on delete account, new context menus for navigation and explorer, card view context menu, and caching navigation collapsed state; two-step journal enabled by default and empty workspace removal. - Editor & UX enhancements: put current user first in database user select; electron: added global context menu; iOS: AI button feature flag. - osu: test suite refactor and readability improvements; beatmap loading fixes with deleted authors and offline changelog crash improvements; beatmap presentation fixes. Major bugs fixed: - AFFiNE stability: fixed client crash, filter list migration error, shared mode permission check gaps, shared page workspace fetch, and infinite self-host sign-in. - iOS/Android: fixed iOS version handling, enabled stable iOS releases, introduced hidden version variant, and resolved Android build error; CI integration updated. - osu: fixed beatmap loading when author is deleted and offline changelog crash; corrected beatmap presentation timing. Overall impact and accomplishments: - Reliability: Significant reduction in crash surfaces and flaky authentication flows across AFFiNE. - Usability: Faster local search, clearer notifications, and improved navigation/workspace management improving user workflow. - Release quality: Strengthened cross‑platform release processes with updated CI tooling and stability safeguards, enabling safer updates. - Quality of code and tests: Test suite readability improvements and targeted bug fixes improved maintainability and developer velocity. Technologies/skills demonstrated: - Cross‑platform engineering (web/electron/mobile), CI/CD automation, and release engineering. - Core stability debugging, performance tuning, and UX polish. - Code quality improvements and testability through refactors and feature flags. - Stakeholder-aligned delivery with business value focus (reliability, usability, and faster releases).

June 2025

16 Commits • 7 Features

Jun 1, 2025

June 2025 monthly summary focusing on key accomplishments across AFFiNE, osu-framework, and osu. Delivered features improving document management, search performance, real-time collaboration, and release automation; fixed critical cross-origin and UI reliability issues; and advanced indexing and authentication capabilities across cloud/server components. Highlights include title-based document ordering, Yjs-powered tag options, cloud-indexed search, content indexing for media blocks, and iOS release automation, with supporting fixes in tooltip rendering and API data exposure.

May 2025

41 Commits • 17 Features

May 1, 2025

May 2025 AFFiNE — Focused on governance, filtering, and reliability improvements that unlock better provenance, faster data discovery, and stable collaboration across docs. Highlights include implementing per-service audit fields with migration for Created By/Updated By, adopting a new collection filter system with default doc rules, and delivering All Docs enhancements with a persistable, default view. Additional wins include display/configuration improvements (default display and save/restore) and system property types support, as well as a wave of bug fixes and stability work across NBStore, permissions, date filtering, and UI cleanup.

April 2025

30 Commits • 14 Features

Apr 1, 2025

April 2025 (2025-04) delivered a set of performance optimizations, platform enhancements, and stability fixes across AFFiNE. Highlights include core performance improvements, iOS markdown import API, NBStore reliability enhancements, and UX/navigation refinements that improve onboarding and notification experiences. The work reduced friction in data rendering, improved search and indexing performance, and strengthened cross-platform consistency, delivering tangible business value in faster interactions, more reliable data sync, and a more polished user experience. Key technologies and skills demonstrated include cross-platform development, performance profiling, API design, and careful bug triage across iOS, Android, and web components.

March 2025

43 Commits • 29 Features

Mar 1, 2025

March 2025 performance highlights for toeverything/AFFiNE: Delivered clipper import interface, enhanced Blocksuite user management, introduced document-level awareness and awareness change event, expanded notification capabilities, and progressed infra/stability improvements. Addressed critical bugs (table text search, sign-in UX, awareness, avatar, blob downloads) and implemented storage/indexer enhancements in NBStore. These changes enable improved collaboration, admin control, content clipping workflows, and reliable deployments, while showcasing expertise in TypeScript, architecture patterns, and infra tooling.

February 2025

28 Commits • 5 Features

Feb 1, 2025

February 2025: Delivered key user experience and reliability improvements in AFFiNE (toeverything/AFFiNE). Implemented cross-workspace NBStore worker sharing to optimize background processing and resource utilization; introduced a Core guard service to improve module reliability; improved OAuth UX by auto-closing login popup; added manual Reset Sync and Linked Document features to streamline document workflows. Completed extensive stability and data synchronization fixes across iOS, cloud awareness, and doc sync logic, resulting in a more resilient, responsive experience across platforms and devices.

January 2025

12 Commits • 5 Features

Jan 1, 2025

January 2025 monthly summary for toeverything/AFFiNE. This month delivered cross-platform features and backend rewrites that drive business value through globalized UX, consistent data access, and stable performance. Key features delivered include Internationalization Improvements (i18n auto codegen, translations for Farsi and Ukrainian), Document Properties Management Enhancement (unified properties API via DocPropertiesStore/DocsService with trashed-document filtering), iOS Platform Enhancements and Reliability (expose workspace/document IDs; improved sync and network handling), and Workspace and NBStore Backend Overhaul (new worker-based workspace engine; nbstore improvements; Android nbstore provider fix). UI Behavior Improvements and Workspace Members API Refactor (fix menu closing on outside clicks; migrate member operations to WorkspaceMembersService). Major bugs fixed this month include fixes to iOS sync, iOS HTTP/WS handling, and Android nbstore provider stability. Overall impact: faster, more reliable cross-platform experience, improved search and data access, expanded localization, and improved developer productivity through modular API and backend improvements. Technologies/skills demonstrated: CI/CD automation, i18n pipelines and localization, native iOS API exposure, nbstore architecture, backend refactor, cross-platform synchronization and network resilience.

December 2024

28 Commits • 14 Features

Dec 1, 2024

December 2024 was focused on strengthening cross-platform data synchronization, reliability, and scalable architecture, while continuing to improve end-user workflows across NBStore and core modules. Highlights include a new, robust Doc Sync Engine with related frontend support, the addition of blob synchronization, and improved synchronization logic to reduce latency and edge-case failures. Platform-wide reliability improvements were complemented by targeted fixes that restore workflows and protect data integrity.

November 2024

17 Commits • 8 Features

Nov 1, 2024

November 2024 focused on reinforcing scale, resilience, and performance across the AFFiNE and Blocksuite codebases. Delivered foundational infrastructure work to enable multi-server deployments, centralized edgeless theming, reliability improvements for critical data paths, editor/UI reliability enhancements, and data-path optimizations. These changes reduce failure modes, speed up core workflows, and lay the groundwork for future multi-tenant and scalable setups across repositories.

October 2024

1 Commits

Oct 1, 2024

Month: 2024-10 | Focus: AFFiNE block-link reliability. Delivered a targeted core fix to ensure copying a block link preserves the correct document context by passing the proper document mode to onClickCopyLink. This resolved a context mismatch and improves accuracy of shared content. The change was implemented in toeverything/AFFiNE and tied to issue #8650. Regression tests updated. Performance: minimal risk patch with no API changes. Impact: enhanced collaboration reliability, reduced user confusion, and fewer support tickets related to link sharing.

Activity

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Quality Metrics

Correctness88.0%
Maintainability86.4%
Architecture83.8%
Performance81.0%
AI Usage39.2%

Skills & Technologies

Programming Languages

BashCC#C++CSSGQLGradleGraphQLJSONJava

Technical Skills

API DesignAPI DevelopmentAPI IntegrationAPI MigrationAdapter PatternAlgorithm DesignAlgorithm OptimizationAnalytics TrackingAndroid DevelopmentApp Tracking TransparencyApplication BootstrappingArchitectureAsynchronous ProgrammingAudio PlaybackAuthentication

Repositories Contributed To

4 repos

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

toeverything/AFFiNE

Oct 2024 Sep 2025
12 Months active

Languages Used

JavaScriptTypeScriptCSSGQLObjective-CShellSwiftRust

Technical Skills

Frontend DevelopmentReactAPI IntegrationBackend DevelopmentClean CodeCloud Storage

ppy/osu

Jun 2025 Jul 2025
2 Months active

Languages Used

C#

Technical Skills

API IntegrationBackend DevelopmentGame DevelopmentUI DevelopmentAudio PlaybackCode Refactoring

toeverything/blocksuite

Nov 2024 Nov 2024
1 Month active

Languages Used

TypeScript

Technical Skills

Adapter PatternFull Stack DevelopmentMarkdown ParsingSoftware DevelopmentTypeScriptURL Handling

ppy/osu-framework

Jun 2025 Jun 2025
1 Month active

Languages Used

C#

Technical Skills

Game DevelopmentUI Development

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