Monthly summary for 2026-01: Overview: - Delivered cross-editor enhancements for the C3 language, strengthening parser accuracy, syntax highlighting, and editor integration across two popular editors. This work lays the groundwork for broader C3 tooling adoption and consistent developer experience. Key features delivered: - nvim-treesitter/nvim-treesitter: C3 Language Editor: Parser and Syntax Highlighting Enhancements - Improvements: better parsing accuracy for C3, switch from import_declaration to import_path, and expanded syntax highlighting with additional operators and keywords to boost developer UX. - Commit: 04ab807f8e6d3e42f385b872fd1dc20dcef12193 - Message: feat(c3)!: update parser and highlights (#8477) Breaking: `(import_declaration (path_ident))` changed to `(import_path (path_ident))` - helix-editor/helix: C3 language support in Helix Editor (language server integration and syntax highlighting) - Highlights: language server integration and syntax highlighting for C3. - Commit: 476ae24cc40b5a81522cbf37efe848860b44f434 - Message: Add C3 language (#15206) Major bugs fixed: - No major bugs fixed recorded this month. Focus was on feature delivery and cross-editor C3 tooling enhancements. Overall impact and accomplishments: - Business value: Expanded C3 tooling supports editor-onboarding and improves developer productivity by delivering accurate parsing and richer syntax highlighting across environments. The breaking change in import handling is isolated to the initial C3 integration, with a clear migration path documented in the commit. - Technical impact: Established a foundation for consistent C3 language tooling across nvim-treesitter and Helix, enabling smoother adoption, future LSP-driven features, and more robust syntax/semantic analysis. Technologies/skills demonstrated: - Tree-sitter-based parsing, syntax highlighting, and incremental parser improvements - Language Server Protocol (LSP) integration for Helix - Cross-repo collaboration and change management (breaking changes handling) - Attention to UX improvements and developer onboarding