# Changelog All notable changes to this project will be documented in this file. ## [0.3.0] — 2026-06-16 ### Wire Format (Breaking) — protocol `0.3` Catches up to upstream PrefectHQ/prefab v0.20.x ("Wire Transfer", PR #431). The `$prefab.version` envelope is now **`0.3`**. The renderer still accepts `0.2` payloads, so existing stored wire data keeps rendering. - **New top-level `css` field** — an array of inline CSS blocks, injected as `