ruffle-rs/ruffle
Sep 2025 – Apr 2026
7 Months active
Languages Used
ActionScriptRustTOMLTextSWF
Technical Skills
AVMAVM1AVM2AVM2 RuntimeActionScriptActionScript Development
Lord-McSweeney
PROFILE
Lord-mcsweeney
Batuhan Manci contributed core runtime and architecture improvements to the ruffle-rs/ruffle repository, focusing on AVM1 and AVM2 compatibility, error handling, and performance. He refactored virtual machine internals, modernized code organization, and expanded test coverage to ensure reliable playback and maintainability. Using Rust and ActionScript, Batuhan implemented safer object lifecycles, centralized error construction, and optimized serialization and memory management. His work addressed complex runtime scenarios, such as mixed AVM content and frame lifecycle edge cases, resulting in fewer crashes and clearer code. The depth of his engineering enabled stable, performant Flash emulation and streamlined future development for the project.
Overall Statistics
Feature vs Bugs
59%Features
Repository Contributions
274Total
Bugs
56
Commits
274
Features
82
Lines of code
25,428
Activity Months7
Your Network
44 peopleWork History
April 2026
4 Commits • 1 Features
Apr 1, 2026April 2026 performance and reliability focus for ruffle-rs/ruffle. Delivered internal QNameObject refactor and performance improvements, removing bottlenecks in Multiname construction and access; and fixed test framework handling for uncaught exceptions to improve reliability. These changes reduce runtime overhead for QName handling and make AVM+ tests deterministic, driving faster shipped iterations and more stable releases.
4 Commits • 1 Features
Apr 1, 2026April 2026 performance and reliability focus for ruffle-rs/ruffle. Delivered internal QNameObject refactor and performance improvements, removing bottlenecks in Multiname construction and access; and fixed test framework handling for uncaught exceptions to improve reliability. These changes reduce runtime overhead for QName handling and make AVM+ tests deterministic, driving faster shipped iterations and more stable releases.
April 2026
March 2026
30 Commits • 15 Features
Mar 1, 2026March 2026 performance summary for ruffle-rs/ruffle. Focused on correctness and performance across AVM1/AVM2 runtimes, test quality, and maintainability, delivering tangible business value for more reliable playback, faster rendering, and improved developer efficiency. Key achievements include targeted AVM1 correctness improvements, large-scale AVM2 optimization and safety cleanup, expanded test coverage with improved organization, and reliability enhancements in loader/error visibility.
March 2026
30 Commits • 15 Features
Mar 1, 2026March 2026 performance summary for ruffle-rs/ruffle. Focused on correctness and performance across AVM1/AVM2 runtimes, test quality, and maintainability, delivering tangible business value for more reliable playback, faster rendering, and improved developer efficiency. Key achievements include targeted AVM1 correctness improvements, large-scale AVM2 optimization and safety cleanup, expanded test coverage with improved organization, and reliability enhancements in loader/error visibility.
February 2026
23 Commits • 12 Features
Feb 1, 2026February 2026 (2026-02) monthly summary for ruffle-rs/ruffle. This period delivered core frame lifecycle improvements, AVM2 runtime hardening, and expanded test coverage, driving stability, performance, and maintainability of the Flash runtime. Key features delivered: - Core: Move broadcasting of enterFrame event to the dedicated frame_lifecycle module to centralize frame handling and reduce cross-module coupling (commit 3f2c8bb1). - AVM2: Implement avmplus::getQualifiedSuperclassName and related TranslationUnit pool accessors; unified constant-pool loading paths for integers, unsigned integers, and doubles; enhanced error reporting around constant-pool lookups (commits aee67f3, 7d250f91, 0f5dd337, 0f1c5e06, ec9edda, e4f7c2d, e46866d1). - AVM2: Add no-op goto logic for frame-script-queued gotos in SWFv10+ to improve runtime performance in common patterns (commit a48617d). - AVM2: Auto-slot assignment when superclass ABC differs to prevent slot errors; associated tests added (commits fd2c5f8, 27ac0ab). - Quality and maintainability: Remove dead code (LoaderDisplay::mouse_pick_avm1) and redundant checks (LoaderDisplay::mouse_pick_avm2); refactor verify.rs pool helpers and adopt TranslationUnit pool accessors; add tests for object construction on frames targeted by queued goto and for invalid CPOL indices (commits a828e673, 49ccc112, bcdec51a, 7d250f91, 0bc7bbd6, e1735962, 24b2131e, a8492889). Major bugs fixed: - Removed unused LoaderDisplay::mouse_pick_avm1 and pruned unnecessary checks to reduce dead code and potential edge cases. - Improved constant-pool bounds handling and error messages across AVM2 metadata and CPOL lookups, aligning messages with pool length and indices (multiple commits under avm2: constant pool fixes). - Ensured object construction semantics on frames targeted by queued goto by invoking construct_frame post goto handling, with tests validating behavior (core: construct_frame after queued goto; tests). Overall impact and business value: - Increased runtime stability and compatibility for Flash content, reducing crashes and incorrect object initialization in frame-queued scenarios. - Improved performance via the no-op goto optimization and reduced runtime checks in common code paths. - Strengthened quality through comprehensive test coverage (auto-slot assignment, CPOL index validation, holes in slots) and maintainable refactors that simplify future changes. Technologies/skills demonstrated: - Rust expertise in module architecture, frame lifecycle, and performance optimizations. - AVM2 runtime enhancements including class/object handling, constant pool operations, and error reporting. - Test-driven development with targeted unit/integration tests for critical paths. - Refactoring and code quality improvements to reduce dead code and indirection.
23 Commits • 12 Features
Feb 1, 2026February 2026 (2026-02) monthly summary for ruffle-rs/ruffle. This period delivered core frame lifecycle improvements, AVM2 runtime hardening, and expanded test coverage, driving stability, performance, and maintainability of the Flash runtime. Key features delivered: - Core: Move broadcasting of enterFrame event to the dedicated frame_lifecycle module to centralize frame handling and reduce cross-module coupling (commit 3f2c8bb1). - AVM2: Implement avmplus::getQualifiedSuperclassName and related TranslationUnit pool accessors; unified constant-pool loading paths for integers, unsigned integers, and doubles; enhanced error reporting around constant-pool lookups (commits aee67f3, 7d250f91, 0f5dd337, 0f1c5e06, ec9edda, e4f7c2d, e46866d1). - AVM2: Add no-op goto logic for frame-script-queued gotos in SWFv10+ to improve runtime performance in common patterns (commit a48617d). - AVM2: Auto-slot assignment when superclass ABC differs to prevent slot errors; associated tests added (commits fd2c5f8, 27ac0ab). - Quality and maintainability: Remove dead code (LoaderDisplay::mouse_pick_avm1) and redundant checks (LoaderDisplay::mouse_pick_avm2); refactor verify.rs pool helpers and adopt TranslationUnit pool accessors; add tests for object construction on frames targeted by queued goto and for invalid CPOL indices (commits a828e673, 49ccc112, bcdec51a, 7d250f91, 0bc7bbd6, e1735962, 24b2131e, a8492889). Major bugs fixed: - Removed unused LoaderDisplay::mouse_pick_avm1 and pruned unnecessary checks to reduce dead code and potential edge cases. - Improved constant-pool bounds handling and error messages across AVM2 metadata and CPOL lookups, aligning messages with pool length and indices (multiple commits under avm2: constant pool fixes). - Ensured object construction semantics on frames targeted by queued goto by invoking construct_frame post goto handling, with tests validating behavior (core: construct_frame after queued goto; tests). Overall impact and business value: - Increased runtime stability and compatibility for Flash content, reducing crashes and incorrect object initialization in frame-queued scenarios. - Improved performance via the no-op goto optimization and reduced runtime checks in common code paths. - Strengthened quality through comprehensive test coverage (auto-slot assignment, CPOL index validation, holes in slots) and maintainable refactors that simplify future changes. Technologies/skills demonstrated: - Rust expertise in module architecture, frame lifecycle, and performance optimizations. - AVM2 runtime enhancements including class/object handling, constant pool operations, and error reporting. - Test-driven development with targeted unit/integration tests for critical paths. - Refactoring and code quality improvements to reduce dead code and indirection.
February 2026
December 2025
74 Commits • 15 Features
Dec 1, 2025December 2025: Strengthened AVM2 error handling, serialization, and lifecycle robustness in ruffle-rs/ruffle. Delivered a broad suite of make_error_* constructors across AVM2 and Context3D, introduced Avm2::uncaught_error for safer error handling, added Dictionary.prototype.toJSON, refactored Stage3DObject and LoaderInfo lifecycles with UpdateContext, and improved SWFv9 frame-script handling with queued cleanup and tests. Fixed JSON stringification for Vector, corrected dynamic property enumerability, and aligned Array.toLocaleString behavior. Overall, these changes reduce panics, improve debuggability and test coverage, and deliver clearer business value in runtime stability and JSON interoperability. Technologies demonstrated: Rust, AVM2 architecture, error construction patterns, memory management, testing, and performance-conscious refactors.
December 2025
74 Commits • 15 Features
Dec 1, 2025December 2025: Strengthened AVM2 error handling, serialization, and lifecycle robustness in ruffle-rs/ruffle. Delivered a broad suite of make_error_* constructors across AVM2 and Context3D, introduced Avm2::uncaught_error for safer error handling, added Dictionary.prototype.toJSON, refactored Stage3DObject and LoaderInfo lifecycles with UpdateContext, and improved SWFv9 frame-script handling with queued cleanup and tests. Fixed JSON stringification for Vector, corrected dynamic property enumerability, and aligned Array.toLocaleString behavior. Overall, these changes reduce panics, improve debuggability and test coverage, and deliver clearer business value in runtime stability and JSON interoperability. Technologies demonstrated: Rust, AVM2 architecture, error construction patterns, memory management, testing, and performance-conscious refactors.
November 2025
124 Commits • 35 Features
Nov 1, 2025November 2025 (2025-11) performance and deliverables for ruffle-rs/ruffle focused on stabilizing AVM2 runtime, modernizing the codebase, and expanding test coverage to boost reliability and developer velocity. The work emphasizes business value through safer error handling, version-gated behavior, and maintainable architecture while advancing platform compatibility across AVM1/AVM2 paths.
124 Commits • 35 Features
Nov 1, 2025November 2025 (2025-11) performance and deliverables for ruffle-rs/ruffle focused on stabilizing AVM2 runtime, modernizing the codebase, and expanding test coverage to boost reliability and developer velocity. The work emphasizes business value through safer error handling, version-gated behavior, and maintainable architecture while advancing platform compatibility across AVM1/AVM2 paths.
November 2025
October 2025
8 Commits • 2 Features
Oct 1, 2025Concise monthly summary for 2025-10 highlighting key business value and technical achievements for the ruffle-rs/ruffle project. Emphasis on reliability, performance, and maintainability improvements demonstrated through AVM2 enhancements and API cleanup.
October 2025
8 Commits • 2 Features
Oct 1, 2025Concise monthly summary for 2025-10 highlighting key business value and technical achievements for the ruffle-rs/ruffle project. Emphasis on reliability, performance, and maintainability improvements demonstrated through AVM2 enhancements and API cleanup.
September 2025
11 Commits • 2 Features
Sep 1, 2025September 2025: Delivered cross-AVM compatibility and AVM2 runtime improvements in ruffle-rs/ruffle. Implemented support for AVM1/AVM2 content in MovieClip and LoaderInfo, enhanced type-safe object handling, and expanded tests to cover mixed AVM environments. Conducted major AVM2 runtime refactors including OrphanManager, safer LoaderInfoObject/BitmapDataObject storage, and display object ownership adjustments. Added test coverage for mixed AVM scenarios in SWFv9 vs SWFv10 and stubbed getters to reduce risk. These changes increase content compatibility, stability, and maintainability, delivering business value through smoother playback, fewer crashes, and clearer, safer code.
11 Commits • 2 Features
Sep 1, 2025September 2025: Delivered cross-AVM compatibility and AVM2 runtime improvements in ruffle-rs/ruffle. Implemented support for AVM1/AVM2 content in MovieClip and LoaderInfo, enhanced type-safe object handling, and expanded tests to cover mixed AVM environments. Conducted major AVM2 runtime refactors including OrphanManager, safer LoaderInfoObject/BitmapDataObject storage, and display object ownership adjustments. Added test coverage for mixed AVM scenarios in SWFv9 vs SWFv10 and stubbed getters to reduce risk. These changes increase content compatibility, stability, and maintainability, delivering business value through smoother playback, fewer crashes, and clearer, safer code.
September 2025
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Quality Metrics
Correctness95.4%
Maintainability88.2%
Architecture89.2%
Performance89.2%
AI Usage20.8%
Skills & Technologies
Programming Languages
ActionScriptRustSWFTOMLText
Technical Skills
API DevelopmentAPI designAPI integrationAVMAVM1AVM2AVM2 DevelopmentAVM2 OptimizationAVM2 RuntimeAVM2 architectureAVM2 developmentAVM2 implementationActionScriptActionScript DevelopmentActionScript programming
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