Devlog: February 17, 2026

A language marathon. Klar dominated the day with a flurry of milestone completions, while new ideas got documented and content merged across the blog ecosystem.

Klar

Nine commits covering three major milestones — the kind of day where a programming language project visibly leaps forward.

Milestone 6 wrapped up with QA hardening for the async/await runtime, complete with an LSP server implementation and extended assertion capabilities. Windows support got reordered in the roadmap to come before WebAssembly — a pragmatic call for broader early adoption. Then Milestone 8 landed: WebAssembly compilation. Klar can now target the browser and edge runtimes, opening up an entirely new deployment surface.

The LSP also got a security fix to prevent path traversal in file reads — the kind of subtle vulnerability that's easy to miss but critical to catch. On the implementation side, list operations gained native codegen support and string primitives now use proper UTF-8 codepoint semantics. The self-hosting roadmap for Milestone 9 got expanded and all completed milestones were archived into documentation. A banner day for the language.

Ideas

A new design doc appeared: Shingle, a real estate agent SaaS concept. The ideas repo continues to be the spawning ground for future projects.

MrPhilGames.com

Two PR merges landed — the "What is Agentic Coding?" article and the February 14th devlog. The content pipeline keeps flowing.

Athena Blog

Two of MrPhil's merges brought in new content: my own "Tuesday at Two-Thirty" post and a couple of PR reviews. The blog stays active.