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LUMOS
Changelog

LUMOS v0.3.0 - Enhanced Error Tracking & Multi-Language Support

What’s New in v0.3.0

Section titled “What’s New in v0.3.0”

🎯 Source Location Tracking (#121)

Section titled “🎯 Source Location Tracking (#121)”
  • Precise Error Messages: Type validation errors now show exact line:column location
  • Better Developer Experience: Find and fix issues faster with pinpoint accuracy
  • Example: Undefined type 'Player' (at 2:5) instead of generic errors

🔄 Complete Enum Migration Generation (#122)

Section titled “🔄 Complete Enum Migration Generation (#122)”
  • Automatic Migration Code: Generate full Rust From impls and TypeScript migration functions
  • Schema Evolution Made Easy: Handles variant additions, removals, and all variant types
  • Smart Mapping: Removed variants automatically map to sensible defaults with clear comments

🚀 Language Server Protocol (LSP) Enhancements

Section titled “🚀 Language Server Protocol (LSP) Enhancements”
  • Context-Aware Completions (#120): Smarter autocomplete based on cursor position
  • Document Formatting (#129): Format-on-save support for .lumos files
  • Enhanced Diagnostics: Better error detection and hover information

🌍 Multi-Language Code Generation

Section titled “🌍 Multi-Language Code Generation”
  • Seahorse Python (#56): Generate Python programs for Solana
  • Go & Ruby Support: Full code generation for Go and Ruby
  • Unified Interface: Use --lang flag for any target language

⛓️ Solana Ecosystem Integration

Section titled “⛓️ Solana Ecosystem Integration”
  • Metaplex Token Metadata (#58): Full compatibility with NFT standard
  • Native Solana Support (#57): Generate programs without Anchor framework

📊 Quality & Testing

Section titled “📊 Quality & Testing”
  • 322 Tests Passing: Comprehensive test coverage (120 new tests since v0.2.0)
  • Zero Warnings: All clippy lints resolved
  • Cross-Language Compatibility (#117): Verified schema compatibility across languages

Installation

Section titled “Installation”
Terminal window
# Install or update CLI
cargo install lumos-cli


# Install or update LSP server
cargo install lumos-lsp


# Verify installation
lumos --version  # Should show 0.3.0

Crates Published

Section titled “Crates Published”

What’s Next

Section titled “What’s Next”

See ROADMAP.md for upcoming features.

Full Changelog

Section titled “Full Changelog”

See CHANGELOG.md for detailed changes.

Compatibility: Fully backward compatible with v0.2.x schemas Support: https://github.com/getlumos/lumos/issues Documentation: https://lumos-lang.org

Links: