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* ⬆️ Update devenv dependencies Update Node.js, OpenCode, clj-kondo, Babashka, Pixi, GitHub CLI, uv, and Serena to their current stable releases. AI-assisted-by: gpt-5.6-sol * ⬆️ Update devenv to Java 27 Use Zulu JDK 27 in the development image for compatibility testing. Update the official checksums for both supported architectures. AI-assisted-by: gpt-5.6-sol * 🐳 Replace MinIO with RustFS in devenv Run RustFS as the development S3 service and wait for its health check. Install a pinned AWS CLI with checksums and use it to create the bucket idempotently from each backend entry point. Keep the old MinIO volume untouched and use a new RustFS volume. AI-assisted-by: gpt-5.6-sol * 🐳 Replace MailCatcher with persistent Mailpit Run Mailpit as the devenv SMTP sink while preserving mailer:1025 and the localhost:1080 UI. Store its SQLite inbox in a named volume and wait for the readiness endpoint before starting runtime containers. Bind the web UI to loopback so development emails stay local. AI-assisted-by: gpt-5.6-sol * ⬆️ Update Node.js to 24.21.0 Align the host NVM version with the Node.js version used by devenv. AI-assisted-by: gpt-5.6-sol * ⬆️ Update devenv to PostgreSQL 18.6 Run PostgreSQL 18 with its versioned volume layout and a TCP readiness check that ignores the temporary initialization server. Install the matching client, create penpot_nexus, and preserve the old PostgreSQL 16 volume for rollback or logical migration. AI-assisted-by: gpt-5.6-sol * 🐳 Expose RustFS ports in devenv Publish the RustFS S3 API and management console on localhost port 9000 and 9001. Keep both bindings on loopback so object storage is not exposed to the local network. AI-assisted-by: gpt-5.6-sol * 🐳 Install standalone pnpm in devenv Install pnpm 12.5.0 from architecture-specific release archives and verify their published checksums. Remove the Corepack setup while allowing pnpm to honor the project packageManager pins. AI-assisted-by: gpt-5.6-sol * 🔥 Remove corepack, use system pnpm everywhere Corepack is gone from Node 25+, so every `corepack enable` call fails. pnpm now ships as a system binary (devenv, CI runners and Docker images install it directly) and auto-downloads the version pinned in `packageManager` on mismatch. Scripts, workflows and Dockerfiles call `pnpm` straight away; the three deploy workflows use a single `pnpm/setup@v2` step; and the new `scripts/sync-pnpm-version` stamps all 35 `packageManager` fields from the system pnpm, replacing the `corepack use` sweep. AI-assisted-by: muse-spark-1.3-contributor * 🐛 Fix exporter watch missing render-wasm build step The exporter watch compiled CLJS requiring the generated src/app/wasm/shared.js, which only render-wasm/build export produces. Without it shadow-cljs failed with a cryptic missing ./shared.js dependency. Run build:wasm before watching, as the frontend watch:app and exporter scripts/build already do. AI-assisted-by: muse-spark-1.3-contributor * 🔧 Add opencode V2 support and adapt plugins Register the penpot tools for both opencode V1 (server()) and V2 (setup() with JSON Schema inputs) from a single dependency-free plugin file, sharing the psql and paren-repair runners between both paths. Install the opencode2 binary side-by-side with V1 in the devenv image and document the dual registration in the paren-repair and psql memories. AI-assisted-by: muse-spark-1.3-contributor * ⬆️ Update pnpm and opencode
Penpot WASM render
This is the canvas-based WebAssembly render engine for Penpot.
Rust & Emscripten
This project is a Rust crate that targets Emscripten (wasm32-unknown-emscripten).
We use wasm32-unknown-emscripten compilation target:
- It compiles Rust code into WASM
- It generates the JavaScript code (“glue”) to load and run the WASM code
Skia
We use Skia, an Open Source 2D graphics library. In particular, the render engine uses Skia via custom binaries of the rust-skia crate.
How to build
With the Penpot Development Environment running, create a new tab in the tmux.
cd penpot/render-wasm
./build
You can also use ./watch to run the build on every change.
The build script will compile the project and copy the .js and .wasm files to their correct location within the frontend app.
Edit your local frontend/resources/public/js/config.js to add the following flags:
enable-feature-render-wasmto enable this render engine.enable-render-wasm-dpr(optional), to enable using the device pixel ratio.
How to test
We currently have two types of tests:
- Unit tests
cd penpot/render-wasm
./test

