Lyric

What changed in v1.16.0 — 2026-08-19

The language has a specification: lyriclang/lyric-spec holds twelve chapters and a conformance suite, non-normative until 2.0 — and from this release on the semantics are FROZEN. Two toolchain fixes came out of writing it. The bytecode format stays 3.2.

Fixed

• {{ and }} in f-strings produce a literal brace — promised by the grammar since 1.0, honored by the lexer since this release: f"json: {{\"k\": {n}}}" renders braces instead of a parse error. A lone } in the text stays ordinary text. Found by the spec audit.

• catch (e: Throwable) catches now. It compiled — the exception analysis treats an interface catch as handling — and then never caught: the handler carried the interface's type id and the runtime compared it against the thrown CLASS, so the exception flew past a clause the compiler had accepted. Found by the conformance suite on its first run. The explicit Throwable catch is the catch-all now, identical to catch (e); a catch naming any OTHER interface is refused with a diagnostic until the handler table can express a conformance test — the alternative was a clause that silently caught nothing.

The full changelog →