Changelog — 0.5.0

⚠ BREAKING CHANGES

• relicense from Apache-2.0 to MPL-2.0 (#317)
• add merge strategy to derive() for composing prompt variables (#272)
• per-version documentation sites + corrected, tested examples (#227)
• guard delimits untrusted values in the rendered prompt (#214)
• rename to PromptVariable/PromptVariant, one metadata map per container, preserve parse-error detail (#193)
• opt-in to full render-error detail for debugging (#208)

Features

• add merge strategy to derive() for composing prompt variables (#272) (3f1e27f)
• auto-generate the Rust/Python/TypeScript API reference pages from source doc comments (#196) (21d5a96)
• guard delimits untrusted values in the rendered prompt (#214) (1ac0250)
• per-version documentation sites + corrected, tested examples (#227) (688ec29)
• polyglot prompt-template foundations (shared core, schema, codegen, CI guardrails) (#36) (fef33c8)
• rename to PromptVariable/PromptVariant, one metadata map per container, preserve parse-error detail (#193) (99d11cf)
• typed prompt-template engine with variable-agreement checking, variants, and provenance hashing (#73) (1b0e321)
• add cross-language conformance suite enforcing identical marshaling and schema validation (#185) (b2092c0)
• opt-in to full render-error detail for debugging (#208) (163559b)
• pluggable prompt loader with filesystem and in-memory backends (#275) (42515d2)
• provenance attributes helper for telemetry span attribution (#274) (af29000)
• typed prompt-template library for Rust — input validation, CI agreement checks, and multi-message composition (#100) (674a31f)
• surface the guard advisory override to Python and TypeScript callers (#221) (c3e9589)

Bug Fixes

• align remaining license metadata with MPL-2.0 relicense (#319) (0aea2b9)
• configure release-please per-crate (literal versions + linked-versions) (f5f16ec)
• restore working release config so 0.3.1 can publish (#290) (d9d2bb1)
• release: use full 0.1.0 version literal for the core dep requirement (#235) (2d13bd2)
• generate THIRD-PARTY-LICENSES in CI instead of committing them (#286) (bb91278)

Miscellaneous Chores

• relicense from Apache-2.0 to MPL-2.0 (#317) (f3c9d04)

Documentation

• aggregated changelog surfaced on every registry (#303) (4793238)
• use LLM-appropriate prompt examples (system prompt with company var) (#245) (c1660b6)